Journal articles on the topic 'Double atom catalysts for electrochemical energy conversion and storage applications'

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1

Ansarinasab, Hojat, Manal Fatimah, and Yaser Khojasteh. "Enhancing 2D Titanium Carbide Mxene for Efficient CO2 Reduction to Methanol: A DFT Study." ECS Meeting Abstracts MA2025-01, no. 40 (2025): 2175. https://doi.org/10.1149/ma2025-01402175mtgabs.

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The ability to convert carbon dioxide (CO2) into high-value chemicals at mild conditions (low temperature and pressure) makes electrocatalytic CO2 reduction reaction (CO2RR) an attractive option to reduce the rising atmospheric CO2 levels and achieve a carbon-neutral economy. Despite significant research, the current state of this technology faces major challenges with respect to catalyst selectivity, stability, and slow reaction kinetics primarily due to the ambiguous reaction mechanism and intermediates involved. In this regard, two-dimensional materials, called MXenes, are emerging as promi
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2

Cui, Wanyi, Weishang Jia, Bailin Yu, et al. "A Review on the Design of Cathode Catalyst Materials for Zinc-Iodine Batteries." Catalysts 15, no. 2 (2025): 178. https://doi.org/10.3390/catal15020178.

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Zinc-iodine batteries, which have the advantages of low cost, high safety, long lifespan, and high energy density, currently rank as one of the most promising electrical energy storage devices. However, these batteries still face significant challenges, including sluggish iodine redox kinetics and the shuttle effect of polyiodides. This article provides a comprehensive review of recent advancements in cathode catalysts for zinc-iodine batteries, with a particular focus on the electrochemical processes and working mechanisms of catalysts, and delves into the prospects and scientific issues asso
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Han, Junxing, Juanjuan Bian, and Chunwen Sun. "Recent Advances in Single-Atom Electrocatalysts for Oxygen Reduction Reaction." Research 2020 (August 14, 2020): 1–51. http://dx.doi.org/10.34133/2020/9512763.

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Oxygen reduction reaction (ORR) plays significant roles in electrochemical energy storage and conversion systems as well as clean synthesis of fine chemicals. However, the ORR process shows sluggish kinetics and requires platinum-group noble metal catalysts to accelerate the reaction. The high cost, rare reservation, and unsatisfied durability significantly impede large-scale commercialization of platinum-based catalysts. Single-atom electrocatalysts (SAECs) featuring with well-defined structure, high intrinsic activity, and maximum atom efficiency have emerged as a novel field in electrocatal
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4

Shrestha, Lok Kumar, Rekha Goswami Shrestha, Rashma Chaudhary, et al. "Nelumbo nucifera Seed–Derived Nitrogen-Doped Hierarchically Porous Carbons as Electrode Materials for High-Performance Supercapacitors." Nanomaterials 11, no. 12 (2021): 3175. http://dx.doi.org/10.3390/nano11123175.

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Biomass-derived activated carbon materials with hierarchically nanoporous structures containing nitrogen functionalities show excellent electrochemical performances and are explored extensively in energy storage and conversion applications. Here, we report the electrochemical supercapacitance performances of the nitrogen-doped activated carbon materials with an ultrahigh surface area prepared by the potassium hydroxide (KOH) activation of the Nelumbo nucifera (Lotus) seed in an aqueous electrolyte solution (1 M sulfuric acid: H2SO4) in a three-electrode cell. The specific surface areas and por
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Mohapatra, Debananda, Yeseul Son, Chaehyun Park, Minjeong Kweon, and Soo-Hyun Kim. "Ir-ALD Incorporated 2D Mxene Advanced Heterostructures for Green Hydrogen Energy Applications." ECS Meeting Abstracts MA2024-02, no. 30 (2024): 2243. https://doi.org/10.1149/ma2024-02302243mtgabs.

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Noble metals such as Pt, Ir, Ru, Pd, and Rh are also known as the precious platinum group of elements, demonstrating outstanding thermal, electrical, and electrochemical properties via excellent catalytic activities. However, they are costly and rare, mainly iridium (Ir), whose natural abundance is approximately one-tenth of the Pt and Ru precious metals. Ir is considered one of the best catalytic electrode materials after Pt, with high thermal stability, corrosion resistance, and low resistivity. Notably, for green hydrogen fuel economy, the high cost and intelligent, precise use of those pre
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Liu, Di-Jia. "(Invited) Understanding on the Fundamental Processes of Electrocatalytic Conversion of CO2 to Multi-Carbon Chemicals." ECS Meeting Abstracts MA2024-02, no. 62 (2024): 4182. https://doi.org/10.1149/ma2024-02624182mtgabs.

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The electrochemical CO2 reduction reaction (CO2RR) for chemical production using renewable electricity offers attractive “carbon-neutral” and “carbon-negative” mitigation strategies for greenhouse emission. CO2RR to C2+ chemicals, the compounds containing two or more carbons, represent a particularly interesting topic from both fundamental research as well as practical application points of view. For example, ethanol, ethylene, propanol, etc. are among the most produced chemicals by the industry and are widely used for various applications. Distributive CO2RR by recycling locally emitted CO2 t
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7

Morcos, Chérif, Alain Seron, Nicolas Maubec, Ioannis Ignatiadis, and Stéphanie Betelu. "Comprehension of the Route for the Synthesis of Co/Fe LDHs via the Method of Coprecipitation with Varying pH." Nanomaterials 12, no. 9 (2022): 1570. http://dx.doi.org/10.3390/nano12091570.

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Co/Fe-based layered double hydroxides (LDHs) are among the most promising materials for electrochemical applications, particularly in the development of energy storage devices, such as electrochemical capacitors. They have also been demonstrated to function as energy conversion catalysts in photoelectrochemical applications for CO2 conversion into valuable chemicals. Understanding the formation mechanisms of such compounds is therefore of prime interest for further controlling the chemical composition, structure, morphology, and/or reactivity of synthesized materials. In this study, a combinat
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8

Alves, Daniele, Eithne Dempsey, and Carmel B. Breslin. "Factorial optimisation of CoCuFe- LDH/graphene composites for water splitting." ECS Meeting Abstracts MA2024-02, no. 42 (2024): 2805. https://doi.org/10.1149/ma2024-02422805mtgabs.

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The increasing energy demand, driven by industrialization and global population growth, has increased the focus on developing clean and sustainable energy sources [1]. Hydrogen (H2) has emerged as a promising alternative to carbon-based fuels due to its low cost, higher calorific value, and absence of pollution emissions [2]. Electrochemical water splitting has recently gained prominence as a highly attractive technique for efficient hydrogen production [3]. Therefore, the development of efficient and cost-effective catalysts for the hydrogen evolution reaction (HER) is crucial for advancing e
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9

Corona-Elizarraras, Luis R., Mario A. Alpuche-Aviles, Sara Cavaliere, and Ignacio Jimenez-Morales. "Study of Antimony and Fluorine Doped Tin Oxide in Acidic Medium." ECS Meeting Abstracts MA2024-01, no. 44 (2024): 2468. http://dx.doi.org/10.1149/ma2024-01442468mtgabs.

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In recent decades, the high-energy demand has generated interest in renewable energies and has become a more pressing issue for the development of cost-effective and eco-friendly conversion and storage technologies.1 Solar conversion systems are very attractive to address this problem, either in photovoltaic systems or in systems that store solar energy in chemical form ("solar fuels").2-3 However, there are challenges in terms of functionality, such as (1) finding suitable materials for photon absorption and (2) developing materials for the water electrolysis reaction to produce hydrogen as a
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10

Pedersen, Angus, Barrio Jesus, Alain Li, et al. "Dual-Metal Atom Electrocatalysts: Theory, Synthesis, Characterization, and Applications." Advance Energy Materials, December 5, 2021. https://doi.org/10.1002/aenm.202102715.

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Electrochemical clean energy conversion and the production of sustainable chemicals are critical in the journey to realizing a truly sustainable society. To progress electrochemical storage and conversion devices to commercialization, improving the electrocatalyst performance and cost are of utmost importance. Research into dual-metal atom catalysts (DACs) is rising in prominence due to the advantages of these sites over single-metal atom catalysts (SACs), such as breaking scaling relationships for the adsorption energy of reaction intermediates and synergistic effects. This review provides an
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11

Li, Yizhe, Yajie Li, Hao Sun, et al. "Current Status and Perspectives of Dual-Atom Catalysts Towards Sustainable Energy Utilization." Nano-Micro Letters 16, no. 1 (2024). http://dx.doi.org/10.1007/s40820-024-01347-y.

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AbstractThe exploration of sustainable energy utilization requires the implementation of advanced electrochemical devices for efficient energy conversion and storage, which are enabled by the usage of cost-effective, high-performance electrocatalysts. Currently, heterogeneous atomically dispersed catalysts are considered as potential candidates for a wide range of applications. Compared to conventional catalysts, atomically dispersed metal atoms in carbon-based catalysts have more unsaturated coordination sites, quantum size effect, and strong metal–support interactions, resulting in exception
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12

Liu, Xiaoqing, Wei Peng, Haotian Tan, Zhiyuan Sang, and Ji Liang. "Precise Modulation and Densification of Metal Sites in Single‐Atom Catalysts for Energy Storage and Conversion." Advanced Energy Materials, May 14, 2024. http://dx.doi.org/10.1002/aenm.202401390.

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AbstractSingle‐atom catalysts (SACs) exhibit excellent electrocatalytic performance in various catalytic reactions. However, the low metal loading (<1.0 wt.%) and the difficulty in precisely modulating their coordination configurations hinder the practical yield of target products and the understanding of actual reaction mechanisms. To overcome these obstacles, a series of strategies are proposed to design SACs with a precise coordination configuration and/or a high density of active sites. For an insightful and comprehensive understanding of these strategies, it is worth analyzing and cate
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13

Dai, Guangfu, Shouzhe Li, Menglin Shi, et al. "Rational Design of Janus Metal Atomic‐Site Catalysts for Efficient Polysulfide Conversion and Alkali Metal Deposition: Advances and Prospects." Advanced Functional Materials, February 2024. http://dx.doi.org/10.1002/adfm.202315563.

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AbstractAlthough metal–sulfur batteries (M–S batteries, M = Li, Na, K) are promising next‐generation energy‐storage devices because of ultrahigh theoretical energy density, low cost, and environmentally friendliness, their practical applications are significantly hindered by the shuttle effect of polysulfides and growth of alkali metal dendrites. These issues can be mitigated by using Janus metal atomic‐site catalysts, which possess the maximum atom utilization efficiency (≈100%), adjustable electronic structures, and tailorable catalytic sites, thereby effectively improving the electrochemica
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14

Li, Zongge, Shuhua Liu, Wenjun Kang, et al. "Engineering the Local Atomic Environments of Te‐Modulated Fe Single‐Atom Catalysts for High‐Efficiency O2 Reduction." Small, November 20, 2024. http://dx.doi.org/10.1002/smll.202406659.

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AbstractAtomically dispersed metal‐nitrogen‐carbon materials (AD‐MNCs) are considered the most promising non‐precious catalysts for the oxygen reduction reaction (ORR), but it remains a major challenge for simultaneously achieving high intrinsic activity, fast mass transport, and effective utilization of the active sites within a single catalyst. Here, an AD‐MNCs consisting of defect‐rich Fe‐N3 sites dispersed with axially coordinated Te atoms on porous carbon frameworks (Fe1Te1‐900) is designed. The local charge densities and energy band structures of the neighboring Fe and Te atoms in FeN3‐T
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15

Gualandi, Isacco, Elisa Musella, Giulia Costa, et al. "On the Quest for Oxygen Evolution Reaction Catalysts Based on Layered Double Hydroxides: An Electrochemical and Chemometric Combined Approach." Advanced Energy and Sustainability Research, November 13, 2024. http://dx.doi.org/10.1002/aesr.202400233.

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The oxygen evolution reaction (OER) is a crucial process in various energy conversion and storage technologies, such as water electrolysis. Developing efficient and cost‐effective electrocatalysts is essential to achieve the commercialization of devices for the transition toward sustainable energy solutions. Herein, ternary layer double hydroxides (LDHs) are synthesized and characterized as electrocatalysts for OER using a potentiodynamic electrochemical deposition method on Grafoil. A chemometric approach based on experimental design is employed to rationalize the effort in the investigation
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16

Zhang, Bikun, and Jianwen Jiang. "Mo2B2O2MBene for Efficient Electrochemical CO Reduction to C2 Chemicals: Computational Exploration." ENERGY & ENVIRONMENTAL MATERIALS, May 16, 2024. http://dx.doi.org/10.1002/eem2.12738.

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Emerging as a new class of two‐dimensional materials with atomically thin layers, MBenes have great potential for many important applications such as energy storage and electrocatalysis. Toward mitigating carbon footprint, there has been increasing interest in CO2/CO conversion on MBenes, but mostly focused on C1 products. C2+ chemicals generally possess higher energy densities and wider applications than C1 counterparts. However, C–C coupling is technically challenging because of high energy requirement and currently few catalysts are suited for this process. Here, we explore electrochemical
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17

Wang, Shuang, Yu Chen, Xiaoqiao Wang, Xinyu Liu, Xiaoqi Fu, and Juan Yang. "Biomass Carbon Anchored Co‐N4 Single‐Atom Catalyst for Efficient Hydrogen Evolution, Oxygen Evolution and Alcohol Oxidation Reaction." ChemistrySelect 9, no. 9 (2024). http://dx.doi.org/10.1002/slct.202303637.

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AbstractGreat efforts have been made to boost the performance of electrochemical catalysts by regulating the electronic and geometric structures. However, the electrochemical catalytic properties have entered the bottleneck stage only depend on these methods, especially in alkaline or neutral conditions. It is highly desired to develop new strategy to make robust electrocatalysts. In this study, an atomic Co‐N4 catalyst embedded on nitrogen‐doped 3D hierarchically porous carbon has been prepared via a facile method of calcining the coordination compound. Benefiting from the unique properties o
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18

Shi, Lei, Dong Liu, Xuanni Lin, et al. "Stable and High‐performance Flow H2‐O2 Fuel Cells with Coupled Acidic Oxygen Reduction and Alkaline Hydrogen Oxidation Reactions." Advanced Materials, February 23, 2024. http://dx.doi.org/10.1002/adma.202314077.

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AbstractConventional H2‐O2 fuel cells suffer from the low output voltage, insufficient durability, and high‐cost catalysts (e.g., noble metals). Herein, we report a conceptually new coupled flow fuel cell (CF‐FC) by coupling asymmetric electrolytes for acidic oxygen reduction reaction and alkaline hydrogen oxidation reaction. By introducing an electrochemical neutralization energy, the newly‐developed CF‐FCs possess a significantly increased theoretical open‐circuit voltage. Specifically, a CF‐FC based on a typical transition metal single‐atom Fe‐N‐C cathode catalyst demonstrates a high electr
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19

Jang, Yeju, Seung Yeop Yi, and Jinwoo Lee. "Advanced approach for active and durable proton exchange membrane fuel cells: Coupling synergistic effects of MNC nanocomposites." EcoMat, October 9, 2024. http://dx.doi.org/10.1002/eom2.12488.

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AbstractAtomically dispersed metal and nitrogen co‐doped carbon (MNC) is a promising oxygen reduction reaction (ORR) catalyst for electrochemical energy storage and conversion applications but typically suffers from low durability and activity under the acidic conditions of practical polymer electrolyte exchange membrane fuel cells (PEMFCs). Recently, the performance of MNC nanocomposites under acidic ORR conditions has been enhanced by exploiting the synergistic coupling effects of their constituents (single‐atom sites, nanoclusters, and nanoparticles). The unique geometric structures for
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