Bibliografias temáticas / OER reaction

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Literatura científica selecionada sobre o tema "OER reaction"

Autor: Grafiati

Publicado: 22 de fevereiro de 2025

Última modificação: 31 de julho de 2025

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Artigos de revistas sobre o assunto "OER reaction"

Rahman, Sheikh Tareq, Kyong Yop Rhee, and Soo-Jin Park. "Nanostructured multifunctional electrocatalysts for efficient energy conversion systems: Recent perspectives." Nanotechnology Reviews 10, no. 1 (2021): 137–57. http://dx.doi.org/10.1515/ntrev-2021-0008.

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Abstract Electrocatalysts play a significant performance in renewable energy conversion, supporting several sustainable methods for future technologies. Because of the successful fabrication of distinctive oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER) electrocatalysts, bifunctional ORR/OER and HER/OER electrocatalysts have become a hot area of contemporary research. ORR, OER, and HER have gained considerable attention because of their strong performance in different energy conversion and storage devices, including water-splitting device

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Yan, Zhenwei, Shuaihui Guo, Zhaojun Tan, et al. "Research Advances of Non-Noble Metal Catalysts for Oxygen Evolution Reaction in Acid." Materials 17, no. 7 (2024): 1637. http://dx.doi.org/10.3390/ma17071637.

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Water splitting is an important way to obtain hydrogen applied in clean energy, which mainly consists of two half-reactions: hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). However, the kinetics of the OER of water splitting, which occurs at the anode, is slow and inefficient, especially in acid. Currently, the main OER catalysts are still based on noble metals, such as Ir and Ru, which are the main active components. Hence, the exploration of new OER catalysts with low cost, high activity, and stability has become a key issue in the research of electrolytic water hydrog

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Morales, Dulce M., Mariya A. Kazakova, Maximilian Purcel, Justus Masa, and Wolfgang Schuhmann. "The sum is more than its parts: stability of MnFe oxide nanoparticles supported on oxygen-functionalized multi-walled carbon nanotubes at alternating oxygen reduction reaction and oxygen evolution reaction conditions." Journal of Solid State Electrochemistry 24, no. 11-12 (2020): 2901–6. http://dx.doi.org/10.1007/s10008-020-04667-2.

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Abstract Successful design of reversible oxygen electrocatalysts does not only require to consider their activity towards the oxygen reduction (ORR) and the oxygen evolution reactions (OER), but also their electrochemical stability at alternating ORR and OER operating conditions, which is important for potential applications in reversible electrolyzers/fuel cells or metal/air batteries. We show that the combination of catalyst materials containing stable ORR active sites with those containing stable OER active sites may result in a stable ORR/OER catalyst if each of the active components can s

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Hong, Yu-Rim, Sungwook Mhin, Jiseok Kwon, Won-Sik Han, Taeseup Song, and HyukSu Han. "Synthesis of transition metal sulfide and reduced graphene oxide hybrids as efficient electrocatalysts for oxygen evolution reactions." Royal Society Open Science 5, no. 9 (2018): 180927. http://dx.doi.org/10.1098/rsos.180927.

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The development of electrochemical devices for renewable energy depends to a large extent on fundamental improvements in catalysts for oxygen evolution reactions (OERs). OER activity of transition metal sulfides (TMSs) can be improved by compositing with highly conductive supports possessing a high surface-to-volume ratio, such as reduced graphene oxide (rGO). Herein we report on the relationship between synthetic conditions and the OER catalytic properties of TMSs and rGO (TMS–rGO) hybrids. Starting materials, reaction temperature and reaction time were controlled to synergistically boost the

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Kim, Yohan, Seongmin Kim, Minyoung Shim, et al. "Alteration of Oxygen Evolution Mechanisms in Layered LiCoO₂ Structures By Intercalation of Alkali Metal Ions." ECS Meeting Abstracts MA2022-01, no. 34 (2022): 1356. http://dx.doi.org/10.1149/ma2022-01341356mtgabs.

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The word ‘Sustainability’, including carbon neutrality, has dominated the direction of social development over the past decade. In particular, energy conversion reactions through electrochemical methods are one of the efficient methods of obtaining small carbon footprint fuels. The oxygen evolution reaction (OER) is a key step in determining the overall reaction efficiency of fuel-related electrochemical reactions such as CO2 reduction reaction and H2 evolution reaction. However, electron transfer is sluggish for OER due to 4 electrons per one O2 molecule. This promotes multiple studies on the

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Wan, Xin, Yingjie Song, Hua Zhou, and Mingfei Shao. "Layered Double Hydroxides for Oxygen Evolution Reaction towards Efficient Hydrogen Generation." Energy Material Advances 2022 (September 7, 2022): 1–17. http://dx.doi.org/10.34133/2022/9842610.

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Electrochemical water splitting is one of the effective ways to obtain highly pure hydrogen. However, as one of the two half reactions, oxygen evolution reaction (OER) has a high overpotential, resulting in the low-energy utilization efficiency. Therefore, numerous electrocatalysts have been developed to reduce the energy barrier of OER. Among them, layered double hydroxides (LDHs) are excellent OER electrocatalysts with flexible composition and structure, which have been widely investigated in the past decade. Recent studies have been focusing on the identification of active sites for LDHs du

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Fukushima, Tomohiro, Masaki Itatani, and Kei Murakoshi. "(Invited) Evaluation of Oxygen Evolution Reaction Electrodes through Machine-Learning Analysis and in-Situ Electrochemical Spectroscopy." ECS Meeting Abstracts MA2024-02, no. 59 (2024): 4023. https://doi.org/10.1149/ma2024-02594023mtgabs.

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To enhance the catalysis of the oxygen evolution reaction (OER) at water electrolysis electrodes, it is imperative to eliminate the energy-consuming processes involved in multiple electron and proton transfer reactions. We propose employing a combination of machine-learning analysis of electrochemical activity and in-situ electrochemical Raman observation for the OER electrodes. The OER behavior can be categorized based on the contributions of Ni-OH and Ni-OOH, which serve as key OER intermediates. This information is utilized to elucidate the OER behavior through energetic and intermediate an

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Chae, Sangwoo, Akihito Shio, Tomoya Kishida, et al. "Synthesis of High-Entropy Perovskite Hydroxides as Bifunctional Electrocatalysts for Oxygen Evolution Reaction and Oxygen Reduction Reaction." Materials 17, no. 12 (2024): 2963. http://dx.doi.org/10.3390/ma17122963.

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Oxygen reduction reaction (ORR) and oxygen evolutionc reaction (OER) are important chemical reactions for a rechargeable lithium–oxygen battery (LOB). Recently, high-entropy alloys and oxides have attracted much attention because they showed good electrocatalytic performance for oxygen evolution reaction (OER) and/or oxygen reduction reaction (ORR). In this study, we aimed to synthesize and characterize CoSn(OH)6 and two types of high-entropy perovskite hydroxides, that is, (Co0.2Cu0.2Fe0.2Mn0.2Mg0.2)Sn(OH)6 (CCFMMSOH) and (Co0.2Cu0.2Fe0.2Mn0.2Ni0.2)Sn(OH)6 (CCFMNSOH). TEM observation and XRD

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Lin, Shiru, Haoxiang Xu, Yekun Wang, Xiao Cheng Zeng, and Zhongfang Chen. "Directly predicting limiting potentials from easily obtainable physical properties of graphene-supported single-atom electrocatalysts by machine learning." Journal of Materials Chemistry A 8, no. 11 (2020): 5663–70. http://dx.doi.org/10.1039/c9ta13404b.

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The oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER) are three critical reactions for energy-related applications, such as water electrolyzers and metal–air batteries.

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Wu, Hengbo, Jie Wang, Wei Jin, and Zexing Wu. "Recent development of two-dimensional metal–organic framework derived electrocatalysts for hydrogen and oxygen electrocatalysis." Nanoscale 12, no. 36 (2020): 18497–522. http://dx.doi.org/10.1039/d0nr04458j.

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Developing efficient and low-cost electrocatalysts with unique nanostructures is of great significance for improved electrocatalytic reactions, including the hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR).

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Teses / dissertações sobre o assunto "OER reaction"

Chen, Junsheng. "Ternary Metal Oxide/(Oxy)Hydroxide for Efficient Oxygen Evolution Reaction." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/25536.

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Novel clean energy conversion and storage technologies, such as electrochemical water splitting and metal-air battery, play significant roles in the future clean energy society. Oxygen evolution reaction (OER), as the fundamental reaction of these technologies, is crucial for their practical application. However, OER process is sluggish since the complex reaction process (multi-electron and multi-intermediate involved reaction). Developing efficient and affordable OER electrocatalysts remains a great challenge. Recently, the multimetal incorporation strategy has aroused extensive research inte

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Mamtani, Kuldeep. "Carbon-based Materials for Oxygen Reduction Reaction (ORR) and Oxygen Evolution Reaction (OER) in Acidic Media." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu149376896628355.

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Wu, Qi-Long. "Defect Based Three-Dimensional Hierarchical Porous Carbons for Efficient Oxygen Reduction Reaction." Thesis, Griffith University, 2022. http://hdl.handle.net/10072/419073.

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The energy crisis and environmental pollution are the two major global issues caused by the excessive utilization of fossil fuels. In recent decades, developing renewable energy via electrocatalytic conversion technology has been considered as a feasible approach to replace fossil fuels. However, the scarcity and high price of commercial catalysts (e.g., Pt/C catalyst for oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER); RuO2 for oxygen evolution reaction (OER)) seriously hinder the industrialization of the electrocatalytic technology. Therefore, it is highly urgent to dev

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Zou, Yu. "Supported Composite Electrocatalysts for Energy Conversion Applications." Thesis, Griffith University, 2022. http://hdl.handle.net/10072/417198.

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Increasing energy demand and environmental awareness have promoted the development of efficient and environment-friendly hydrogen technologies. Water electrolysis (2𝐻2𝑂→2𝐻2+𝑂2) is a promising way to store renewable electricity generated by solar or wind energy into chemical fuel in the form of H2. Water electrolysis is comprised of a hydrogen evolution reaction (HER) on the cathode and an oxygen evolution reaction (OER) on the anode. For both HER and OER, highly catalytic active electrocatalysts are required to lower the overpotentials and to speed up the sluggish kinetics. To date, noble meta

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Duan, Yan. "Understanding the oxygen evolution reaction (OER) for Co based transition metal oxides / hydroxides in alkaline electrolytes." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS416.

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Le développement d'électrocatalyseurs efficaces pour la réaction de libération d'oxygène (OER) est important pour améliorer l'efficacité globale du processus d'électrolyse de l'eau. Les oxydes / hydroxydes de métaux de transition présentent une activité et une stabilité raisonnables lorsqu’utilisés dans un milieu alcalin. Ils ont le potentiel de remplacer les oxydes à base d'Ir et de Ru. Comprendre la réaction d’OER pour les oxydes / hydroxydes de métaux de transition dans les électrolytes alcalins aide à la conception d'électrocatalyseurs peu coûteux et très efficaces. Avec trois travaux diff

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Stevens, Michaela. "Fundamentals and Industrial Applications: Understanding First Row Transition Metal (Oxy)Hydroxides as Oxygen Evolution Reaction Catalysts." Thesis, University of Oregon, 2017. http://hdl.handle.net/1794/22633.

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Intermittent renewable energy sources, such as solar and wind, will only be viable if the electrical energy can be stored efficiently. It is possible to store electrical energy cleanly by splitting the water into oxygen (a clean byproduct) and hydrogen (an energy dense fuel) via water electrolysis. The efficiency of hydrogen production is limited, in part, by the high kinetic overpotential of the oxygen evolution reaction (OER). OER catalysts have been extensively studied for the last several decades. However, no new highly active catalyst has been developed in decades. One reason that breakt

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Al-Mamun, Mohammad. "Rational Design of Nanostructured Earth-Abundant Electrocatalysts for Energy Conversion Applications." Thesis, Griffith University, 2016. http://hdl.handle.net/10072/365651.

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Electrocatalysis contributes to a huge extent in a large array of research fields and applications, including corrosion science, electroanalytical sensors, wastewater treatment, electro-organic synthesis and more importantly, energy conversion applications. Of the many electrocatalytic processes, the oxygen evolution reaction (OER) and triiodide reduction reaction (IRR) are of widespread importance in electrochemical cells and dye-sensitised solar cells (DSSCs). OER is a key half reaction in electrochemical water splitting, direct solar-to-electricity driven water splitting and metal-air batte

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Bernicke, Michael [Verfasser], Ralph [Akademischer Betreuer] Krähnert, Peter [Gutachter] Strasser, and Michael [Gutachter] Bron. "Mesoporous oxides as efficient catalysts for the electrocatalytic oxygen evolution reaction (OER) / Michael Bernicke ; Gutachter: Peter Strasser, Michael Bron ; Betreuer: Ralph Krähnert." Berlin : Technische Universität Berlin, 2016. http://d-nb.info/1156010195/34.

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Terry, Alexandre. "New mixed 3d metal-based oxyfluorinated materials as anodic catalysts for water splitting : from elaboration to mechanistic study." Electronic Thesis or Diss., Le Mans, 2024. https://cyberdoc-int.univ-lemans.fr/Theses/2024/2024LEMA1029.pdf.

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Si l'hydrogène est un vecteur énergétique prometteur pour le stockage durable de l'énergie, sa production doit reposer sur des technologies sans carbone. L’électrolyse de l’eau qui consiste à dissocier l'eau via un courant électrique issu d’énergies renouvelables est idéal pour produire un hydrogène vert. Toutefois, ce processus est entravé par une cinétique lente de la réaction OER (Oxygen Evolution Reaction, 2H2O ⇋ O2 + 4H+ + 4e-) à l'anode, nécessitant un apport d’énergie supplémentaire pour assurer un rendement énergétique satisfaisant. Ainsi, des catalyseurs, généralement des oxydes d'iri

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Kumar, Kavita. "Catalyseurs sans métaux nobles pour pile à combustible régénérative." Thesis, Poitiers, 2017. http://www.theses.fr/2017POIT2284/document.

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Le dihydrogène (H2) se présente comme le futur vecteur énergétique pour une économie basée sur des ressources propres et respectueuses de l'environnement. Il est le combustible idéal de la pile à combustible régénérative constituée de deux entités : un électrolyseur pour sa production, et une pile à combustible pour sa conversion directe en énergie électrique. Ce système présente l'avantage d'être compact et autonome. Cependant, l'amélioration de l'activité catalytique des matériaux, leur stabilité et l'élimination de métaux nobles dans leur composition sont nécessaires. Des catalyseurs bifonc

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Livros sobre o assunto "OER reaction"

Kerekes, Amália. Mehr oder Weininger: Eine Textoffensive aus Österreich/Ungarn. Braumüller, 2005.

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Fattahi, Mir Taher. Emil Abderhalden (1877-1950), die Abwehrfermente: Ein langer Irrweg oder wissenschaftlicher Betrug? Uni-Edition, 2006.

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Issel, Wolfgang. Die Wiederaurarbeitung von bestrahlten Kernbrennstoffen in der Bundesrepublik Deutschland: Technologische Chance oder energiepolitischer Zwang. P. Lang, 2003.

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Henriksen, Niels Engholm, and Flemming Yssing Hansen. Bimolecular Reactions, Dynamics of Collisions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198805014.003.0004.

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This chapter discusses the dynamics of bimolecular collisions within the framework of (quasi-)classical mechanics as well as quantum mechanics. The relation between the cross-section and the reaction probability, which can be calculated theoretically from a (quasi-)classical or quantum mechanical description of the collision, is described in terms of classical trajectories and wave packets, respectively. As an introduction to reactive scattering, classical two-body scattering is described and used to formulate simple models for chemical reactions, based on reasonable assumptions for the reacti

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Wiffen, Philip, Marc Mitchell, Melanie Snelling, and Nicola Stoner. Adverse drug reactions and drug interactions. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198735823.003.0002.

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This chapter provides an overview of adverse drug reactions and drug interactions for pharmacists and other healthcare professionals. It provides a practical guide to determining whether a reaction is related to the drug or disease. A classification of adverse drug reactions is given and how this relates to immediate management of the reaction and future drug choices is discussed. Tips are given on how to discuss adverse drug reactions and explain risks to patients. Mechanisms of drug interactions are covered and a practical guide for predicting and managing interactions is given.

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Henriksen, Niels Engholm, and Flemming Yssing Hansen. From Microscopic to Macroscopic Descriptions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198805014.003.0002.

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This chapter discusses bimolecular reactions from both a microscopic and macroscopic point of view. The outcome of an isolated reactive scattering event can be specified in terms of an intrinsic fundamental quantity, the reaction cross-section that can be measured in a molecular beam experiment. It depends on the quantum states of the molecules as well as the relative velocity of reactants and products. The relation between the cross-section and the macroscopic rate constant is derived. The rate constant is a weighted average of the product between the relative speed of the reactants and the r

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Ferner, Robin, and Anthony Cox. Drug-induced neurological disease. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0240.

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An adverse drug reaction is defined as ‘an appreciably harmful or unpleasant reaction, resulting from an intervention related to the use of a medicinal product; adverse effects usually predict hazard from future administration and warrant prevention, or specific treatment, or alteration of the dosage regimen, or withdrawal of the product’ (p. 1255, Edwards IR and Aronson JK. Adverse drug reactions: Definitions, diagnosis, and management. Lancet 2000; 356: 1255–9). Adverse drug reactions can cause or contribute to central and peripheral nervous system disorders, including traumatic, infective,

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Misbah, Siraj. Suspected anaphylaxis. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0075.

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A type I IgE-mediated systemic allergic reaction is characterized by a constellation of symptoms which are due to widespread histamine release and which comprise acute-onset urticaria, angioedema, bronchospasm, and hypotension. While a mild reaction may be limited to localized urticaria and/or angioedema, a full-blown allergic reaction associated with systemic features is best described as anaphylaxis. The term ‘anaphylactoid’, previously used to denote non-IgE-mediated systemic allergic reactions, is no longer recommended for use.

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Henriksen, Niels E., and Flemming Y. Hansen. Theories of Molecular Reaction Dynamics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198805014.001.0001.

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This book deals with a central topic at the interface of chemistry and physics—the understanding of how the transformation of matter takes place at the atomic level. Building on the laws of physics, the book focuses on the theoretical framework for predicting the outcome of chemical reactions. The style is highly systematic with attention to basic concepts and clarity of presentation. Molecular reaction dynamics is about the detailed atomic-level description of chemical reactions. Based on quantum mechanics and statistical mechanics or, as an approximation, classical mechanics, the dynamics of

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Ross, John, Igor Schreiber, and Marcel O. Vlad. Determination of Complex Reaction Mechanisms. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195178685.001.0001.

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In a chemical system with many chemical species several questions can be asked: what species react with other species: in what temporal order: and with what results? These questions have been asked for over one hundred years about simple and complex chemical systems, and the answers constitute the macroscopic reaction mechanism. In Determination of Complex Reaction Mechanisms authors John Ross, Igor Schreiber, and Marcel Vlad present several systematic approaches for obtaining information on the causal connectivity of chemical species, on correlations of chemical species, on the reaction pathw

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Capítulos de livros sobre o assunto "OER reaction"

Bi, Songhu, Zhen Geng, Liming Jin, Mingzhe Xue, and Cunman Zhang. "Porous Heterogeneous Sulfide Nickel/Nickel Iron Alloy Catalysts for Oxygen Evolution Reaction of Alkaline Water Electrolysis at High Current Density." In Proceedings of the 10th Hydrogen Technology Convention, Volume 1. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8631-6_13.

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AbstractAlkaline water electrolysis is the important pathway for the green hydrogen production, where oxygen evolution reaction (OER) is the rate-limiting step due to the sluggish reaction kinetics. Transition metal heterogeneous catalyst is the kind of important OER catalyst for alkaline water electrolysis due to its good performance, low price and environmental friendliness. In this work, the porous sulfide nickel@nickel iron alloy catalyst (i.e. NM/NS@Ni3Fe) is prepared by the designed high-temperature vulcanization and multi-step electrodeposition method. The NM/NS@Ni3Fe catalyst exhibits

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Deng, Jiayao, Xiao Hu, Gnauizhi Xu, et al. "The Preparation of Iridium-Based Catalyst with Different Melting Point-Metal Nitrate and Its OER Performance in Acid Media." In Proceedings of the 10th Hydrogen Technology Convention, Volume 1. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8631-6_6.

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AbstractOxygen evolution reaction (OER) is the main factor limiting the large-scale development of proton-exchange membrane (PEM) hydrogen production. It is urgent to develop catalysts with excellent OER catalytic performance and stability. Herein, several Iridium-based catalysts were prepared by simple mixing and calcination, the OER properties of catalysts with different melting points of nitrates as calcinating additives were investigated. The RbNO3 treated catalyst displayed a low overpotential(η) of 297.6 mV versus RHE, which is lower than the catalyst calcinated without nitrate (323.8 mV

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Bell, Alexis T. "Chapter 3. Understanding the Effects of Composition and Structure on the Oxygen Evolution Reaction (OER) Occurring on NiFeOx Catalysts." In Energy and Environment Series. Royal Society of Chemistry, 2018. http://dx.doi.org/10.1039/9781788010313-00079.

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Andronov, Mikhail, Natalia Andronova, Michael Wand, Jürgen Schmidhuber, and Djork-Arné Clevert. "Curating Reagents in Chemical Reaction Data with an Interactive Reagent Space Map." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-72381-0_3.

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AbstractThe increasing use of machine learning and artificial intelligence in chemical reaction studies demands high-quality reaction data, necessitating specialized tools enabling data understanding and curation. Our work introduces a novel methodology for reaction data examination centered on reagents - essential molecules in reactions that do not contribute atoms to products. We propose an intuitive tool for creating interactive reagent space maps using distributed vector representations, akin to word2vec in Natural Language Processing, capturing the statistics of reagent usage within datas

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Cao, Dong, Mengyao Ma, and Peng Gao. "Trifunctional Electrocatalysts for the Hydrogen Evolution Reaction (HER), Oxygen Evolution Reaction (OER), and Oxygen Reduction Reaction (ORR)." In Multi-functional Electrocatalysts. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781837674497-00407.

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The hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR) play pivotal roles in energy devices such as electrochemical water splitting, rechargeable zinc–air batteries, and fuel cells. However, the slow kinetics lead to a large overpotential being required for these three reactions because they all involve multi-electron transfers. In addition, the cathode of rechargeable zinc–air batteries needs to be switched between ORR and OER during the charging and discharging processes, so it is necessary to use dual-function ORR/OER electrocatalysts. Th

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Khrizanforova, Vera V., and Yulia H. Budnikova. "MOFs and their Derived Structures for Multifunctional Electrocatalysis." In Advanced Catalysts Based on Metal-organic Frameworks (Part 2). BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815136029123010007.

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Multifunctional catalysis attracts great interest due to the opportunity to apply one compound in different types of reactions, and particularly its role in energy conversion reactions, such as hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR). The requirements of several catalysts are combined in one molecule, which allows utilizing these compounds at both cathode and anode sides for a variety of energy devices. However, seeking optimal catalysts with multifunctional applications and appropriate activity and durability is a difficult task.

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Thomassen, Magnus, and Svein Sunde. "Electrocatalysts for Oxygen Evolution Reaction (OER)." In PEM Electrolysis for Hydrogen Production. CRC Press, 2015. http://dx.doi.org/10.1201/b19096-4.

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"Electrocatalysts for Oxygen Evolution Reaction (OER)." In PEM Electrolysis for Hydrogen Production. CRC Press, 2016. http://dx.doi.org/10.1201/b19096-7.

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Pataniya, Pratik M., Ayushi Shah, Pooja Sharma, and C. K. Sumesh. "Trifunctional Electrocatalysts for the Hydrogen Evolution Reaction (HER), Oxygen Evolution Reaction (OER), and Urea Oxidation Reaction (UOR)." In Multi-functional Electrocatalysts. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781837674497-00434.

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The quest for alternative fuels has been investigated for many years owing to the storage constraints on fossil fuels and petroleum and the excessive carbon dioxide emissions following combustion. Recently, the use of hydrogen as a fuel has attracted substantial attention. Electrochemical water splitting has gained prominence as a crucial method of production that can be utilized to create clean hydrogen fuel that is sustainable, renewable, affordable, and efficient. Trifunctional electrocatalysts are substances with simultaneous catalytic activity for many electrochemical processes. Several e

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Singha, Debal Kanti, Tapan Ping, Biswajit Nayak, Smruti Vardhan Purohit, and Bikash Kumar Jena. "Metal–Organic Framework-derived Bifunctional Electrocatalysts." In Multi-functional Electrocatalysts. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781837674497-00226.

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This chapter provides an introduction to the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) and discusses the fundamental aspects and their significance in different applications. Measurements of different electrochemical parameters needed for the measurement of the OER and ORR performance of a catalyst are considered. A novel class of advanced porous hybrid materials has emerged: metal–organic frameworks (MOFs) with variable pore sizes and large surface areas characterized by various periodic patterns. Because of their immense porosity and mechanical and thermal durabilit

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Trabalhos de conferências sobre o assunto "OER reaction"

Mangalagiu, Violeta, Dorina Amariucai-Mantu, Dumitrela Diaconu, Vasilichia Antoci, and Ionel Mangalagiu. "MICROWAVE AND ULTRASOUND ASSISTED SYNTHESIS AS ECOLOGICALLY FRIENDLY METHODS IN NITROGEN HETEROCYCLIC CHEMISTRY." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s23.04.

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On the last few years, microwave and ultrasound irradiation has become a successful tool in modern medicinal and organic chemistry especially (but not only) because in many cases synthesis became ecologically friendly. As part of our ongoing efforts in the field of nitrogen heterocyclic derivatives, we present herein some core results obtained by our group in the field of N-alkylation and 3+2 cycloadditions reactions applied in the nitrogen heterocycles series, by using microwave and ultrasound irradiation. Comparative with conventional thermal heating, undeniable advantages of using microwave

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Fuller, E. Loren, Otto C. Kopp, and April D. Underwood. "Corrosion Kinetics and Mechanisms for Nuclear Grade Graphites." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93602.

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ABSTRACT This report is an initial microgravimetric evaluation of the intrinsic reaction parameters for air reactions with H-451 graphite. The studies were made over a temperature range of 375 to 850 °C at atmospheric pressure and for water contents from zero to two (2) volume percent water vapor. Photographic results show the heterogeneous nature of the graphite and the consequential variation of reaction rate as the samples are etched and roughened in the corrosion processes. The reaction rate increases approximately two (2) fold to a near-constant value and subsequently approaches of zero a

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Tester, Jefferson W., and Jason A. Cline. "Hydrolysis and Oxidation in Sub- and Supercritical Water: Connecting Process Engineering Science to Molecular Interactions." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99252.

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Abstract Key engineering issues influencing the development of supercritical water oxidation for waste treatment are reviewed. Major chemical pathways and kinetics for hydrolysis and oxidation reactions of model organic wastes are discussed. In selective examples, results from extensive laboratory-scale measurements are compared with molecular simulations of solvation and reaction effects in supercritical water. Connections between reaction chemistry and observed corrosion in supercritical water oxidation processing equipment are discussed to underscore the importance of understanding electroc

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Kontak, Jakub, and Jana M. Weber. "Network Theoretical Analysis of the Reaction Space in Biorefineries." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.168427.

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The analysis of large chemical reaction space sheds light on reaction patterns between molecules and can inform subsequent reaction pathway planning. With the aim to discover more sustainable production systems, it became worthwhile to explicitly model the reaction space reachable from biobased feedstocks. In particular, the space that reactions in integrated biorefineries span for optimised biorefinery planning is of interest. In this work we show a network-theoretical analysis of biorefinery reaction data. We utilise the directed all-to-all mapping between reactants and products to compare t

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Deshmukh, Shrirang, Bruce Brown, and David Young. "Investigating the Mechanism and Intermediates of the Oxygen Reduction Reaction." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00534.

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Abstract The Oxygen Reduction Reaction (ORR) plays a crucial role in corrosion mechanisms and the operation of electrochemical energy devices, affecting both stability and efficiency. Despite extensive research, the exact mechanisms and intermediates involved in ORR continue to be subjects of study. The literature reports a range of intermediates and mechanisms, which can be complex and, at times, contradictory. This paper conducts a comprehensive literature review with a primary focus on ORR mechanisms on steel, while also examining platinum, gold, and carbon electrodes. Recent advancements i

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Peng, Kai. "SUPERHYDROPHILIC, SUPERAEROPHOBIC NIFE-LDH@NI95CU5 ELECTRODE FOR EFFICIENT OER CATALYSIS." In Pure & Applied Sciences International Conference, 08-09 July 2025, Singapore. Global Research & Development Services Publishing, 2025. https://doi.org/10.20319/mijst.2025.2728.

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Water splitting is a promising technique to produce green hydrogen, but it is severely limited by the sluggish kinetics of the oxygen evolution reaction (OER). Addressing this issue demands not only efficient OER catalysts but also better electrode structure which can guarantee effective and stable utilization of the catalysts. Superhydrophilic/superaerophobic porous structure is an ideal candidate for gas evolution reactions. However, fabricating such electrodes usually involves complex procedures and harsh conditions. Moreover, the effects of porous structure on electrode hydrophilicity, aer

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Hameed, Areeba, Khulood Logade, Naba Ali, et al. "Highly active Bifunctional Lamo3 (M=Cr, Mn, Fe, Co, Ni) Perovskites for Oxygen Reduction and Oxygen Evolution Reaction in Alkaline Media." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0106.

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Lanthanum based electrocatalytically active perovskites, LaMO3 (M=Cr, Mn, Fe, Co, Ni), were synthesized using a single step solution combustion synthesis technique. The perovskites showed exceptional performance for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in alkaline medium. Based on the experimental results and literature survey, it is suggested that the exceptional activity of Mn and Co based lanthanum perovskite catalyst could be due to the optimum stabilization of reaction intermediates involved in the rate-determining step (RDS) of ORR/OER. According to crystal

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Panigrahy, Bharati, B. Ramachandra Rao, and Vipul Kumar Maheshwari. "Development and Demonstration of In-House Design Green Hydrogen Production Technologies with Reduced CAPEX and OPEX." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222255-ms.

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Abstract Design of highly efficient cost effective and self-supported bi-functional electrocatalyst for the production of green Hydrogen is significant for renewable and sustainable energy conversion to achieve future carbon neutral. Meanwhile, as we know that the overall water splitting is an uphill reaction requires 285.8 kJ of energy, corresponds to the HHV of hydrogen, state-of-the-art developments are necessary to greatly improve the efficiency by rationally designing non-precious metal-based robust bi-functional catalysts for promoting both the cathodic hydrogen evolution and anodic oxyg

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Orncompa, Peerapat, Phonlakrit Passakornjaras, Patcharawat Charoen-amornkitt, Mehrzad Alizadeh, Takahiro Suzuki, and Shohji Tsushima. "Multi-Objective Optimization of Material Distribution in the Anode Catalyst Layer for Proton Exchange Membrane Water Electrolyzer Applications." In 2024 Small Powertrains and Energy Systems Technology Conference. SAE International, 2025. https://doi.org/10.4271/2024-32-0086.

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<div class="section abstract"><div class="htmlview paragraph">While hydrogen is a clean and renewable energy source for fuel cell vehicles, its production involves various costly methods, with steam reforming being the current popular yet environmentally detrimental technique. An alternative approach involves the use of electrochemical devices such as proton exchange membrane water electrolyzers (PEMWE), capable of producing pure hydrogen through renewable energies. Nevertheless, these devices face challenges in improving their performance, with the most challenging aspect found in

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Motyka, Elaine, Erin Volpe, Stefan Roeseler, et al. "The Effect of FELTMETAL™ Porous Transport Layer Structure on Performance of Anion Exchange Membrane Water Electrolyzers." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-129232.

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Abstract The porous transport layer (PTL), or gas diffusion layer (GDL), is a critical component in the performance of anion exchange membrane water electrolyzers (AEMELs) for hydrogen production and hydrogen supply. This work focuses on how the structure of FELTMETAL™ (FM) affects the critical functions of the oxygen evolution reaction (OER) electrode in an AEMEL. As a sintered-particle material with high levels of open pores, FM has high total porosity which positively affects mass transport of the gas and water from the PTL but increases the electrical resistivity and contact resistance. Du

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Relatórios de organizações sobre o assunto "OER reaction"

Knibb, Rebecca, Lily Hawkins, and Dan Rigby. Food Sensitive Study: Wave Two Survey. Food Standards Agency, 2022. http://dx.doi.org/10.46756/sci.fsa.nyx192.

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Food hypersensitivities (FH) include food allergy, food intolerance and coeliac disease. Food allergy and coeliac disease involve an immune mediated reaction to certain foods; food intolerance is caused by a non-immune mediated reaction (such as an enzymatic or pharmacological effect). Each of these FHs result in unpleasant symptoms if the food is eaten in sufficient quantity, with food allergic reactions sometimes resulting in life-threatening symptoms. Management of FH by an individual or members of their family therefore involves constant vigilance and risk assessment to determine if a food

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Dong, Yi, LiJia Liu, Jianing Liu, Tianqi Liao, Jieru Zhou, and Huaien Bu. Incidences of Adverse Reactions in BNT162b2: A Meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.1.0043.

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Review question / Objective: This study searched PubMed, Cochrane Library, Web of Science, Embase Electronics, and other databases to collect healthy adults aged 16 and older, subjects with no previous history of COVID-19 infection, A randomized controlled trial of Pfizer's vaccine BNT162b2 versus placebo. Using RevMan5.4 software, meta-analysis was conducted to compare the effects of injection of BNT162b2 and placebo on the incidence of adverse reactions in healthy adults over 16 years of age. Main indexes include total incidence of adverse reactions, the incidence of local adverse reactions

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Ahlquist, J. T., and N. N. Watkins. Modeling Continuous-Flow Reactor Improvements over Batch Reactions for Enzyme Catalyzed Microsphere Surface Reactions. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1568027.

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Smith, Donald L. Observations on the Effects of 252Cf Spontaneous-Fission Neutron Spectrum Uncertainties on Uncertainties in Calculated Spectrum-Average Cross Sections for Reactions in the Neutron Dosimetry Library IRDFF-II. IAEA Nuclear Data Section, 2022. http://dx.doi.org/10.61092/iaea.wx80-dm11.

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The Neutron Dosimetry Library IRDFF-II was released in January 2020, and was subsequently documented by an article published in the Nuclear Data Sheets by A. Trkov et al. The development of this library, under the auspices of the IAEA Nuclear Data Section, entailed extensive effort to assemble and examine the available, relevant experimental data, as well as to select and validate the best available cross-section evaluations, for some 110 neutron reaction processes included in this library. Part of the validation process for this library entailed comparing experimental and evaluated differenti

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Bordalo, Pedro, Nicola Gennaioli, Yueran Ma, and Andrei Shleifer. Over-reaction in Macroeconomic Expectations. National Bureau of Economic Research, 2018. http://dx.doi.org/10.3386/w24932.

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Syvash, Kateryna. AUDIENCE FEEDBACK AS AN ELEMENT OF PARASOCIAL COMMUNICATION WITH SCREEN MEDIA-PERSONS. Ivan Franko National University of Lviv, 2021. http://dx.doi.org/10.30970/vjo.2021.49.11062.

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Parasocial communication is defined as an illusory and one-sided interaction between the viewer and the media person, which is analogous to interpersonal communication. Among the classic media, television has the greatest potential for such interaction through a combination of audio and visual series and a wide range of television content – from newscasts to talent shows. Viewers’ reaction to this product can be seen as a defining element of parasociality and directly affect the popularity of a media person and the ratings of the TV channel. In this article we will consider feedback as part of

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Leeladee, Pannee. Cooperative small-molecule activation toward sustainable catalysis. Faculty of Science, Chulalongkorn University, 2018. https://doi.org/10.58837/chula.res.2018.47.

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In this research, a series of copper complexes containing polypyridyl ligands were designed to study the influence from ligands, nuclearity, solvents and secondary coordination on reactivity toward small-molecule activation. This structure-reactivity relationship was used in investigation for oxygen reduction reactions (ORR), and applied in detection of ascorbic acid (AsH₂). Firstly, copper (II) complexes containing polypyridyl derivatives ligands (i.e., Cu(dpa), Cu(adpa) and Cu₂ (addpa)) were synthesized and fully characterized by elemental analysis, mass spectrometry and X-ray crystallograph

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da Silveira, Rava Azeredo, and Michael Woodford. Noisy Memory and Over-Reaction to News. National Bureau of Economic Research, 2019. http://dx.doi.org/10.3386/w25478.

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Ekerdt, J. G. Catalytic hydrocarbon reactions over supported metals. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/6347877.

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Panizza, Ugo, and Dany Jaimovich. Procyclicality or Reverse Causality? Inter-American Development Bank, 2007. http://dx.doi.org/10.18235/0010973.

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There is a large literature showing that fiscal policy is either acyclical or countercyclical in industrial countries and procyclical in developing countries. Most of this literature is based on OLS regressions that focus on the correlation between a fiscal variable (usually the budget balance or expenditure growth) and either GDP growth or some measure of the output gap. This paper argues that such a methodology does not permit the identification of the effect of the business cycle on fiscal policy and hence cannot be used to estimate policy reaction functions. The paper proposes a new instru

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