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Journal articles on the topic 'Oxygen Evolution Reaction (OER)'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Elbaz, Lior, and Wenjamin Moschkowitsch. "Electrocatalyzing Oxygen Evolution Reaction with Nifeooh Aerogels." ECS Meeting Abstracts MA2022-02, no. 44 (2022): 1680. http://dx.doi.org/10.1149/ma2022-02441680mtgabs.

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Increasing the production capacity of electrical energy to fulfill the continuously rising global demand, while simultaneously trying to avoid greenhouse gas emissions in the process, and being environmentally sound, is one of the largest challenges of this era.One way to achieve it is to rely on hydrogen for energy storage. Nowadays, most of the hydrogen produced is mainly from fossil fuels, and the emission of detrimental gasses is only shifted. To get to a true green hydrogen, it is necessary to produce it in emissions-free processes. One method to achieve this is to use renewable energies

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2

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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3

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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4

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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5

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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6

Jeon, Jaeeun, Kyoung Ryeol Park, Kang Min Kim, et al. "CoFeS2@CoS2 Nanocubes Entangled with CNT for Efficient Bifunctional Performance for Oxygen Evolution and Oxygen Reduction Reactions." Nanomaterials 12, no. 6 (2022): 983. http://dx.doi.org/10.3390/nano12060983.

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Exploring bifunctional electrocatalysts to lower the activation energy barriers for sluggish electrochemical reactions for both the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) are of great importance in achieving lower energy consumption and higher conversion efficiency for future energy conversion and storage system. Despite the excellent performance of precious metal-based electrocatalysts for OER and ORR, their high cost and scarcity hamper their large-scale industrial application. As alternatives to precious metal-based electrocatalysts, the development of earth-abu

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7

Öztürk, Secil, Yu-Xuan Xiao, Dennis Dietrich, et al. "Nickel nanoparticles supported on a covalent triazine framework as electrocatalyst for oxygen evolution reaction and oxygen reduction reactions." Beilstein Journal of Nanotechnology 11 (May 11, 2020): 770–81. http://dx.doi.org/10.3762/bjnano.11.62.

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Covalent triazine frameworks (CTFs) are little investigated, albeit they are promising candidates for electrocatalysis, especially for the oxygen evolution reaction (OER). In this work, nickel nanoparticles (from Ni(COD)2) were supported on CTF-1 materials, which were synthesized from 1,4-dicyanobenzene at 400 °C and 600 °C by the ionothermal method. CTF-1-600 and Ni/CTF-1-600 show high catalytic activity towards OER and a clear activity for the electrochemical oxygen reduction reaction (ORR). Ni/CTF-1-600 requires 374 mV overpotential in OER to reach 10 mA/cm2, which outperforms the benchmark

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8

Yao, Bin, Youzhou He, Song Wang, Hongfei Sun, and Xingyan Liu. "Recent Advances in Porphyrin-Based Systems for Electrochemical Oxygen Evolution Reaction." International Journal of Molecular Sciences 23, no. 11 (2022): 6036. http://dx.doi.org/10.3390/ijms23116036.

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Oxygen evolution reaction (OER) plays a pivotal role in the development of renewable energy methods, such as water-splitting devices and the use of Zn–air batteries. First-row transition metal complexes are promising catalyst candidates due to their excellent electrocatalytic performance, rich abundance, and cheap price. Metalloporphyrins are a class of representative high-efficiency complex catalysts owing to their structural and functional characteristics. However, OER based on porphyrin systems previously have been paid little attention in comparison to the well-described oxygen reduction r

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9

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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10

Sui, Chenxi, Kai Chen, Liming Zhao, Li Zhou, and Qu-Quan Wang. "MoS2-modified porous gas diffusion layer with air–solid–liquid interface for efficient electrocatalytic water splitting." Nanoscale 10, no. 32 (2018): 15324–31. http://dx.doi.org/10.1039/c8nr04082f.

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The formation and adsorption of bubbles on electrodes weaken the efficiency of gas evolution reactions such as the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) by hindering proton transfer and consuming nucleation energy.

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11

Li, Nancy, Thomas P. Keane, Samuel S. Veroneau, et al. "Template-stabilized oxidic nickel oxygen evolution catalysts." Proceedings of the National Academy of Sciences 117, no. 28 (2020): 16187–92. http://dx.doi.org/10.1073/pnas.2001529117.

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Earth-abundant oxygen evolution catalysts (OECs) with extended stability in acid can be constructed by embedding active sites within an acid-stable metal-oxide framework. Here, we report stable NiPbOxfilms that are able to perform oxygen evolution reaction (OER) catalysis for extended periods of operation (>20 h) in acidic solutions of pH 2.5; conversely, native NiOxcatalyst films dissolve immediately. In situ X-ray absorption spectroscopy and ex situ X-ray photoelectron spectroscopy reveal that PbO2is unperturbed after addition of Ni and/or Fe into the lattice, which serves as an acid-stab

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12

Lhermitte, Charles R., J. Garret Verwer, and Bart M. Bartlett. "Improving the stability and selectivity for the oxygen-evolution reaction on semiconducting WO3 photoelectrodes with a solid-state FeOOH catalyst." Journal of Materials Chemistry A 4, no. 8 (2016): 2960–68. http://dx.doi.org/10.1039/c5ta04747a.

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WO<sub>3</sub> electrodes were synthesized via a sol–gel route followed by the photoelectrochemical deposition of a solid state FeOOH oxygen-evolution catalyst (OEC) to observe its effects on electrode stability and selectivity towards the oxygen evolution reaction (OER).

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13

Zhang, Pengfei, Hongmei Qiu, Huicong Li, Jiangang He, Yingying Xu, and Rongming Wang. "Nonmetallic Active Sites on Nickel Phosphide in Oxygen Evolution Reaction." Nanomaterials 12, no. 7 (2022): 1130. http://dx.doi.org/10.3390/nano12071130.

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Efficient and durable catalysts are crucial for the oxygen evolution reaction (OER). The discovery of the high OER catalytic activity in Ni12P5 has attracted a great deal of attention recently. Herein, the microscopic mechanism of OER on the surface of Ni12P5 is studied using density functional theory calculations (DFT) and ab initio molecular dynamics simulation (AIMD). Our results demonstrate that the H2O molecule is preferentially adsorbed on the P atom instead of on the Ni atom, indicating that the nonmetallic P atom is the active site of the OER reaction. AIMD simulations show that the di

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14

Priamushko, Tatiana, Rémy Guillet-Nicolas, and Freddy Kleitz. "Mesoporous Nanocast Electrocatalysts for Oxygen Reduction and Oxygen Evolution Reactions." Inorganics 7, no. 8 (2019): 98. http://dx.doi.org/10.3390/inorganics7080098.

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Catalyzed oxygen evolution and oxygen reduction reactions (OER and ORR, respectively) are of particular significance in many energy conversion and storage processes. During the last decade, they emerged as potential routes to sustain the ever-growing needs of the future clean energy market. Unfortunately, the state-of-the-art OER and ORR electrocatalysts, which are based on noble metals, are noticeably limited by a generally high activity towards one type of reaction only, high costs and relatively low abundance. Therefore, the development of (bi)functional low-cost non-noble metal or metal-fr

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15

Fontanesi, Claudio, Massimo Innocenti, Walter Giurlani, Mirko Gazzotti, Marco Bonechi, and Andrea Stefani. "Electrodeposited Ni for the Oxygen Evolution Reaction (OER)." ECS Meeting Abstracts MA2020-02, no. 18 (2020): 1529. http://dx.doi.org/10.1149/ma2020-02181529mtgabs.

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16

Kim, Jeheon, Tomohiro Fukushima, Ruifeng Zhou, and Kei Murakoshi. "Revealing High Oxygen Evolution Catalytic Activity of Fluorine-Doped Carbon in Alkaline Media." Materials 12, no. 2 (2019): 211. http://dx.doi.org/10.3390/ma12020211.

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Oxygen evolution reactions (OER) are important reactions for energy conversion. Metal-free carbon-based catalysts potentially contribute to the catalytic materials for OER. However, it has been difficult to understand the intrinsic catalytic activity of carbon materials, due to catalyst decomposition over the course of long-term reactions. Here, we report high oxygen evolution reaction catalytic activity of F-doped carbon in alkaline media. Intrinsic OER activity was evaluated from a combination of measurements using a rotating disk electrode and O2 sensor. The F-doped carbon catalyst is a hig

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17

Ghanashyam, Gyawali, and Hae Kyung Jeong. "Size Effects of MoS2 on Hydrogen and Oxygen Evolution Reaction." Journal of Electrochemical Science and Technology 13, no. 1 (2022): 120–27. http://dx.doi.org/10.33961/jecst.2021.00710.

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Molybdenum disulfide (MoS2) has been widely used as a catalyst for the bifunctional activities of hydrogen and oxygen evolution reactions (HER and OER). Here, we investigated size dependent HER and OER performance of MoS2. The smallest size (90 nm) of MoS2 exhibits the lowest overpotential of −0.28 V at −10 mAcm−2 and 1.52 V at 300 mAcm−2 with the smallest Tafel slopes of 151 and 176 mVdec−1 for HER and OER, respectively, compared to bigger sizes (2 μm and 6 μm) of MoS2. The better HER and OER performance is attributed to high electrochemical active surface area (6 × 10−4 cm2) with edge sites

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18

Putra, Ridwan P., Ihsan Budi Rachman, Hideyuki Horino та Izabela I. Rzeznicka. "Bifunctional Catalytic Activity of γ-NiOOH toward Oxygen Reduction and Oxygen Evolution Reactions in Alkaline Solutions". Oxygen 2, № 4 (2022): 479–92. http://dx.doi.org/10.3390/oxygen2040031.

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Nickel oxyhydroxides (NiOOHs) are well-known for their superior activity toward oxygen evolution reaction (OER) in alkaline solutions. However, their activity toward oxygen reduction reaction (ORR) has been largely unexplored. There exist three NiOOH polymorphs: α-, β-, and γ-NiOOH, characterized by different interlayer spacing. Although still debated, γ-NiOOH with a large layer spacing has been indicated as the active phase for OER. Here, a highly crystalline γ-NiOOH was prepared in a carbon matrix by the in situ electrochemical transformation of nickel dithiooxamide Ni(dto) in 1 M KOH soluti

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19

Bian, Yaru, Hao Wang, Zhi Gao, Jintang Hu, Dong Liu, and Liming Dai. "A facile approach to high-performance trifunctional electrocatalysts by substrate-enhanced electroless deposition of Pt/NiO/Ni on carbon nanotubes." Nanoscale 12, no. 27 (2020): 14615–25. http://dx.doi.org/10.1039/d0nr03378b.

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20

Singh, Aditya Narayan, Amir Hajibabaei, Muhammad Hanif Diorizky, Qiankai Ba, and Kyung-Wan Nam. "Remarkably Enhanced Lattice Oxygen Participation in Perovskites to Boost Oxygen Evolution Reaction." Nanomaterials 13, no. 5 (2023): 905. http://dx.doi.org/10.3390/nano13050905.

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Enhancing the participation of the lattice oxygen mechanism (LOM) in several perovskites to significantly boost the oxygen evolution reaction (OER) is daunting. With the rapid decline in fossil fuels, energy research is turning toward water splitting to produce usable hydrogen by significantly reducing overpotential for other half-cells’ OER. Recent studies have shown that in addition to the conventional adsorbate evolution mechanism (AEM), participation of LOM can overcome their prevalent scaling relationship limitations. Here, we report the acid treatment strategy and bypass the cation/anion

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21

Chen, Junxue, Sijia Li, Zizheng Qu, et al. "Study on Oxygen Evolution Reaction Performance of Jarosite/C Composites." Materials 15, no. 2 (2022): 668. http://dx.doi.org/10.3390/ma15020668.

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In the electrolysis of water process, hydrogen is produced and the anodic oxygen evolution reaction (OER) dominates the reaction rate of the entire process. Currently, OER catalysts mostly consist of noble metal (NM) catalysts, which cannot be applied in industries due to the high price. It is of great importance to developing low-cost catalysts materials as NM materials substitution. In this work, jarosite (AFe3(SO4)2(OH)6, A = K+, Na+, NH4+, H3O+) was synthesized by a one-step method, and its OER catalytic performance was studied using catalytic slurry (the weight ratios of jarosite and cond

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22

Cheng, J., P. Ganesan, Z. Wang та ін. "Bifunctional electrochemical properties of La_0.8Sr_0.2Co_0.8M_0.2O_3−δ (M = Ni, Fe, Mn, and Cu): efficient elemental doping based on a structural and pH-dependent study". Materials Advances 3, № 1 (2022): 272–81. http://dx.doi.org/10.1039/d1ma00632k.

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Perovskite oxides with a low cost and high catalytic activity are considered as suitable candidates for the oxygen evolution reaction (OER)/oxygen reduction reaction (ORR), but most of them favour only either the ORR or the OER.

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23

Badreldin, Ahmed, Aya E. Abusrafa, and Ahmed Abdel-Wahab. "Oxygen-deficient perovskites for oxygen evolution reaction in alkaline media: a review." Emergent Materials 3, no. 5 (2020): 567–90. http://dx.doi.org/10.1007/s42247-020-00123-z.

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AbstractOxygen vacancies in complex metal oxides and specifically in perovskites are demonstrated to significantly enhance their electrocatalytic activities due to facilitating a degree of control in the material’s intrinsic properties. The reported enhancement in intrinsic OER activity of oxygen-deficient perovskites surfaces has inspired their fabrication via a myriad of schemes. Oxygen vacancies in perovskites are amongst the most favorable anionic or Schottky defects to be induced due to their low formation energies. This review discusses recent efforts for inducing oxygen vacancies in a m

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24

Ham, Kahyun, Sukhwa Hong, Sinwoo Kang, Kangwoo Cho, and Jaeyoung Lee. "Active Site Formation in Oxygen Deficient Cobalt Antimonate for Oxygen Evolution Reaction in Alkaline Media." ECS Meeting Abstracts MA2022-01, no. 34 (2022): 1389. http://dx.doi.org/10.1149/ma2022-01341389mtgabs.

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Electrochemical water splitting is the one of the promising ways to obtain hydrogen from aqueous media. Oxygen evolution reaction (OER) at the anode is the rate-determining step due to the sluggish kinetics, which leads to reducing energy efficiency. Recently, anion exchange membrane water splitting has been considered as an alternative way because of its capability of producing hydrogen of high purity and the availability of iron-triad element-based catalysts because of their thermodynamically stability in alkaline media. Besides, cobalt oxides such as spinel, layered double hydroxide are bei

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25

Tang, Huang, Deshuai Yang, Mengfei Lu, et al. "Spin unlocking oxygen evolution reaction on antiperovskite nitrides." Journal of Materials Chemistry A 9, no. 45 (2021): 25435–44. http://dx.doi.org/10.1039/d1ta07561f.

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The spin state change of Fe3+ ions induced the paramagnetic Fe0.5Ni0.5OOH shell on the ferromagnetic Cu0.5NFe3Ni0.5 core via superexchange interaction, facilitating charge transfer and oxygen species ad(de)sorption for boosted OER performance.

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26

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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27

Wang, Hongxia, Kelvin H. L. Zhang, Jan P. Hofmann, Victor A. de la Peña O'Shea, and Freddy E. Oropeza. "The electronic structure of transition metal oxides for oxygen evolution reaction." Journal of Materials Chemistry A 9, no. 35 (2021): 19465–88. http://dx.doi.org/10.1039/d1ta03732c.

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In this review article, we summarise the key electronic features of transition metal oxides that govern their OER catalytic properties, and how such electronic descriptors are applied for OER electrocatalysts design.

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28

Zheng, Xingqun, Ling Zhang, Wei He, Li Li, and Shun Lu. "Heteroatom-Doped Nickel Sulfide for Efficient Electrochemical Oxygen Evolution Reaction." Energies 16, no. 2 (2023): 881. http://dx.doi.org/10.3390/en16020881.

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Heteroatom doping is an effective strategy to regulate electrocatalysts for the oxygen evolution reaction (OER). Nonmetal heteroatoms can effectively engineer geometric and electronic structures and activating surface sites of catalysts due to their unique radius and the electronegativity of nonmetal atoms. Hence, the surface geometric and electronic structure and activity of nonmetal atoms (X, X = B, C, N, O, P)-doped Ni3S2 (X-Ni3S2) were studied to screen high-performance Ni3S2-based OER electrocatalysts through density functional theory calculation. Theoretical results demonstrated that dop

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29

Altaf, Amna, Manzar Sohail, Ayman Nafady, Rashid G. Siddique, Syed Shoaib Ahmad Shah, and Tayyaba Najam. "Facile Synthesis of PdO.TiO2 Nanocomposite for Photoelectrochemical Oxygen Evolution Reaction." Molecules 28, no. 2 (2023): 572. http://dx.doi.org/10.3390/molecules28020572.

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The rapid depletion of fossil fuels and environmental pollution has motivated scientists to cultivate renewable and green energy sources. The hydrogen economy is an emerging replacement for fossil fuels, and photocatalytic water splitting is a suitable strategy to produce clean hydrogen fuel. Herein, the photocatalyst (PdO.TiO2) is introduced as an accelerated photoelectrochemical oxygen evolution reaction (OER). The catalyst showed significant improvement in the current density magnitude from 0.89 (dark) to 4.27 mA/cm2 (light) during OER at 0.5 V applied potential. The as-synthesized material

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30

Qu, Huiying, Xiwen He, Yibo Wang, and Shuai Hou. "Electrocatalysis for the Oxygen Evolution Reaction in Acidic Media: Progress and Challenges." Applied Sciences 11, no. 10 (2021): 4320. http://dx.doi.org/10.3390/app11104320.

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The oxygen evolution reaction (OER) is the efficiency-determining half-reaction process of high-demand, electricity-driven water splitting due to its sluggish four-electron transfer reaction. Tremendous effects on developing OER catalysts with high activity and strong acid-tolerance at high oxidation potentials have been made for proton-conducting polymer electrolyte membrane water electrolysis (PEMWE), which is one of the most promising future hydrogen-fuel-generating technologies. This review presents recent progress in understanding OER mechanisms in PEMWE, including the adsorbate evolution

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Choi, Yusong, Tae-Young Ahn, Ji-Youn Kim, Eun Hye Lee, and Hye-Ryeon Yu. "Massively synthesizable nickel-doped 1T-MoS₂ nanosheet catalyst as an efficient tri-functional catalyst." RSC Advances 13, no. 26 (2023): 18122–27. http://dx.doi.org/10.1039/d3ra03016d.

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A nickel (Ni)-doped 1T-MoS2 catalyst, an efficient tri-functional hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR) catalyst, was massively synthesized at high pressure (over 15 bar).

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Tang, Yongfu, Hongbin Yang, Jiaojiao Sun, et al. "Phase-pure pentlandite Ni4.3Co4.7S8 binary sulfide as an efficient bifunctional electrocatalyst for oxygen evolution and hydrogen evolution." Nanoscale 10, no. 22 (2018): 10459–66. http://dx.doi.org/10.1039/c8nr02402b.

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Dogutan, Dilek K., D. Kwabena Bediako, Daniel J. Graham, Christopher M. Lemon, and Daniel G. Nocera. "Proton-coupled electron transfer chemistry of hangman macrocycles: Hydrogen and oxygen evolution reactions." Journal of Porphyrins and Phthalocyanines 19, no. 01-03 (2015): 1–8. http://dx.doi.org/10.1142/s1088424614501016.

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The splitting of water into its constituent elements is an important solar fuels conversion reaction for the storage of renewable energy. For each of the half reactions of the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), multiple protons and electrons must be coupled to avoid high-energy intermediates. To understand the mechanistic details of the PCET chemistry that underpins HER and OER, we have designed hangman porphyrin and corrole catalysts. In these hangman constructs, a pendant acid/base functionality within the secondary coordination sphere is "hung" above the

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He, Junying, Yuqin Zou, and Shuangyin Wang. "Defective glycerolatocobalt(ii) for enhancing the oxygen evolution reaction." Chemical Communications 55, no. 85 (2019): 12861–64. http://dx.doi.org/10.1039/c9cc06607a.

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35

Ikezawa, Atsunori, Kotaro Seki, and Hajime Arai. "Rational Placement of Catalysts for Oxygen Reduction and Evolution Reactions Based on the Reaction Sites in Porous Gas Diffusion Electrodes." ECS Meeting Abstracts MA2022-02, no. 4 (2022): 522. http://dx.doi.org/10.1149/ma2022-024522mtgabs.

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Metal-air secondary batteries using alkaline electrolyte solutions are promising candidates for next-generation large-scale energy storage systems because of their potential high capacity, low cost, and high safety standard. However, large overpotential of bifunctional air electrodes hindered their wide applications. Recently, increasing research on electrocatalysts for oxygen reduction reaction (ORR) and oxygen reduction reaction (OER) has been conducted to reduce the overpotential, and many active catalysts have been developed. On the other hand, formation of reaction sites is also important

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36

Li, Xiang, Hao Wang, Zhiming Cui, et al. "Exceptional oxygen evolution reactivities on CaCoO3 and SrCoO3." Science Advances 5, no. 8 (2019): eaav6262. http://dx.doi.org/10.1126/sciadv.aav6262.

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We investigated the roles of covalent bonding, separation of surface oxygen, and electrolyte pH on the oxygen evolution reaction (OER) on transition metal oxides by comparing catalytic onset potentials and activities of CaCoO3 and SrCoO3. Both cubic, metallic perovskites have similar CoIV intermediate spin states and onset potentials, but a substantially smaller lattice parameter and shorter surface oxygen separation make CaCoO3 a more stable catalyst with increased OER activity. The onset potentials are similar, occurring where H+ is removed from surface -OH−, but two competing surface reacti

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37

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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38

Singh, Harish, Manashi Nath, and Wipula Priya Rasika Liyanage. "Metal Selenide Anchored Carbon Nanotube for Boosted Oxygen Evolution Reaction." ECS Meeting Abstracts MA2022-01, no. 7 (2022): 631. http://dx.doi.org/10.1149/ma2022-017631mtgabs.

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The oxygen evolution represents an important reaction in electrochemical water splitting and metal-air batteries. To deal with the increasing energy crisis and demand for sustainable clean energy, production of low-cost, high-efficiency, and robust oxygen evolution reaction (OER) electrocatalysts is urgently needed. Recently, transition metal chalcogenides (TMCs) have been used as active electrocatalysts for OER because of their high electrical conductivity and enhanced electrochemical activity. These chalcogenides based electrocatalysts show unprecedented high efficiency for OER exhibiting ve

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Jiang, Bo, Jeonghun Kim, Yanna Guo, et al. "Efficient oxygen evolution on mesoporous IrOx nanosheets." Catalysis Science & Technology 9, no. 14 (2019): 3697–702. http://dx.doi.org/10.1039/c9cy00302a.

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Yang, Xiaohang, Zhen Feng, and Zhanyong Guo. "Theoretical Investigation on the Hydrogen Evolution, Oxygen Evolution, and Oxygen Reduction Reactions Performances of Two-Dimensional Metal-Organic Frameworks Fe3(C2X)12 (X = NH, O, S)." Molecules 27, no. 5 (2022): 1528. http://dx.doi.org/10.3390/molecules27051528.

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Two-dimensional metal-organic frameworks (2D MOFs) inherently consisting of metal entities and ligands are promising single-atom catalysts (SACs) for electrocatalytic chemical reactions. Three 2D Fe-MOFs with NH, O, and S ligands were designed using density functional theory calculations, and their feasibility as SACs for hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR) was investigated. The NH, O, and S ligands can be used to control electronic structures and catalysis performance in 2D Fe-MOF monolayers by tuning charge redistribution. T

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Gond, Ritambhara, Sai Pranav Vanam, and Prabeer Barpanda. "Na2MnP2O7 polymorphs as efficient bifunctional catalysts for oxygen reduction and oxygen evolution reactions." Chemical Communications 55, no. 77 (2019): 11595–98. http://dx.doi.org/10.1039/c9cc04680a.

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Two polymorphs of pyrophosphate Na<sub>2</sub>MnP<sub>2</sub>O<sub>7</sub> (P1̄ NMPy and P1 NMPy) were prepared by solid-state synthesis. Both polymorphs exhibited promising oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) electrocatalytic activities.

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Shi, Qiurong, Chengzhou Zhu, Dan Du, and Yuehe Lin. "Robust noble metal-based electrocatalysts for oxygen evolution reaction." Chemical Society Reviews 48, no. 12 (2019): 3181–92. http://dx.doi.org/10.1039/c8cs00671g.

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The oxygen evolution reaction (OER) is a kinetically sluggish anodic reaction that requires rationalized compositions and structures for achieving highly efficient and reliable noble metal-based electrocatalysts in acidic electrolyte.

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Kim, Myeong-Geun, and Sung Jong Yoo. "Surface Reconstruction of Iridium Nanoparticles for Enhanced Oxygen Evolution Reaction in Alkaline Medium." ECS Meeting Abstracts MA2022-01, no. 34 (2022): 1400. http://dx.doi.org/10.1149/ma2022-01341400mtgabs.

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An electrochemical water splitting is a promising technology that can generate green hydrogen using renewable energy sources. However, the sluggish oxygen evolution reaction (OER) in an anodic side hinders their large scale applications. Many efforts have been focused on developing efficient electrocatalysts; iridium-based catalysts have gained much attentions due to remarkable intrinsic activities and high stability. Technically, however, the properties are derived from amorphous iridium oxide (IrOx) rather than metallic Ir. During an electrochemical activation process, the Ir metal is easily

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Bathula, Chinna, Abhishek Meena, Sankar Sekar, et al. "Self-Assembly of Copper Oxide Interfaced MnO2 for Oxygen Evolution Reaction." Nanomaterials 13, no. 16 (2023): 2329. http://dx.doi.org/10.3390/nano13162329.

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Designing efficient electrocatalytic systems through facile synthesis remains a formidable task. To address this issue, this paper presents the design of a combination material comprising two transition metal oxides (copper oxide and manganese oxide (CuO/MnO2)), synthesized using a conventional microwave technique to efficiently engage as an active oxygen evolution reaction (OER) catalyst. The structural and morphological properties of the composite were confirmed by the aid of X-ray diffraction (XRD) studies, field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscop

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Miao, Bo-Qiang, Yi-Ming Liu, Tian-Jiao Wang, Yu Ding, and Yu Chen. "One-dimensional cobalt oxide nanotubes with rich defect for oxygen evolution reaction." Nanotechnology 33, no. 7 (2021): 075401. http://dx.doi.org/10.1088/1361-6528/ac3702.

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Abstract For the electrochemcial hydrogen production, the oxygen evolution reaction (OER) is a pivotal half-reaction in water splitting. However, OER suffers sluggish kinetics and high overpotential, leading to the increase of overall energy consumption and decrease of the energy efficiency. In this work, high-quality cobalt oxide porous nanotubes (Co3O4-PNTs) are easily obtained by simple self-template approach. One-dimensional (1D) porous structure provides the large specific surface area, enough abundant active atoms and effective mass transfer. In addition, Co3O4-PNTs also own self-stabili

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Salvatore, D. A., B. Peña, K. E. Dettelbach, and C. P. Berlinguette. "Photodeposited ruthenium dioxide films for oxygen evolution reaction electrocatalysis." Journal of Materials Chemistry A 5, no. 4 (2017): 1575–80. http://dx.doi.org/10.1039/c6ta09094j.

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Zhang, Xiaoyun, Yuxin Liu, Xiaoshuang Ma, Xiaojin Liu, Renyun Zhang, and Yuqiao Wang. "Metal–Support Interaction of Carbon–Based Electrocatalysts for Oxygen Evolution Reaction." Nanoenergy Advances 3, no. 1 (2023): 48–72. http://dx.doi.org/10.3390/nanoenergyadv3010004.

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Metal–support interaction (MSI) is considered a key effect of electronic and geometric structures of catalysts on tuning catalytic performance. The oxygen evolution reaction (OER) is a crucial process during energy conversion and storage. However, the OER process requires the help of noble metal catalysts to reduce the reaction overpotential, enhance reactivity with intermediates, and maintain good operating stability. Carbon–supported metal catalysts have been considered candidates for noble metal catalysts for OER. MSI occurs at the interface of carbon supports and metals, affecting the cata

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Choi, Yun-Hyuk. "VO2 as a Highly Efficient Electrocatalyst for the Oxygen Evolution Reaction." Nanomaterials 12, no. 6 (2022): 939. http://dx.doi.org/10.3390/nano12060939.

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Herein, we report high electrocatalytic activity of monoclinic VO2 (M1 phase) for the oxygen evolution reaction (OER) for the first time. The single-phase VO2 (M1) nanoparticles are prepared in the form of uniformly covering the surface of individual carbon fibers constituting a carbon fiber paper (CFP). The VO2 nanoparticles reveal the metal-insulator phase transition at ca. 65 °C (heating) and 62 °C (cooling) with low thermal hysteresis, indicating a high concentration of structural defect which is considered a grain boundary among VO2 nanoparticles with some particle coalescence. Consequent

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Wu, Libo, Luo Yu, Xin Xiao, et al. "Recent Advances in Self-Supported Layered Double Hydroxides for Oxygen Evolution Reaction." Research 2020 (February 19, 2020): 1–17. http://dx.doi.org/10.34133/2020/3976278.

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Electrochemical water splitting driven by clean and sustainable energy sources to produce hydrogen is an efficient and environmentally friendly energy conversion technology. Water splitting involves hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), in which OER is the limiting factor and has attracted extensive research interest in the past few years. Conventional noble-metal-based OER electrocatalysts like IrO2 and RuO2 suffer from the limitations of high cost and scarce availability. Developing innovative alternative nonnoble metal electrocatalysts with high catalytic ac

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Xu, Xiaopei, Haoxiang Xu, and Daojian Cheng. "Design of high-performance MoS2 edge supported single-metal atom bifunctional catalysts for overall water splitting via a simple equation." Nanoscale 11, no. 42 (2019): 20228–37. http://dx.doi.org/10.1039/c9nr06083a.

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