Electrocatalysts for the Advanced Membrane Electrode Assemblies (MEAs)

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Electrocatalysis".

Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 12240

Special Issue Editors


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Guest Editor
Department of Chemical Engineering, Hanyang University, Haengdang-dong, Seongdong-gu, Seoul 133-791, Republic of Korea
Interests: electrocatalysts for energy conversion and energy generation; 3D reconstruction of fuel cell catalyst layer
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Guest Editor
Buan Fuel Cell Center, Korea Institute of Energy Research, Daejeon, Korea
Interests: electrocatalysts for ORR and OER; thin-film electrode for electrochemical energy conversion and energy storage

Special Issue Information

Dear Colleagues,

The commercialization of fuel cells is mainly hampered by the high cost of platinum, which is responsible for catalyzing fuel cell electrochemical reactions. To date, the different lines of research in fuel cells seek to address the challenges of reducing the Pt content, water management, thermal management, and to develop efficient electrocatalysts for enhanced ORR. All the above, designing efficient electrode architecture requires urgent action, because the present fuel cell membrane electrode assemblies (MEAs) experience severe incompatibilities between the materials utilized for electrodes and membranes. Therefore, this Special Issue primarily focuses on the nano-engineering of electrocatalysts materials, namely, perovskites, metal organic framework, core-shell, transition metal-binding organic materials, Pt alloying and new alloy catalysts for advanced MEAs with exceptional power densities and long-term stability.

Prof. Dr. Sung-Chul Yi
Dr. Chi-young Jung
Guest Editors

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Keywords

  • Metal organic frameworks
  • Self-humidifying MEA
  • Perovskites
  • Platinum alloys
  • ORR electrocatalysts

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Published Papers (1 paper)

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Review

22 pages, 6208 KiB  
Review
Advanced Catalytic Materials for Ethanol Oxidation in Direct Ethanol Fuel Cells
by Yun Zheng, Xiaojuan Wan, Xin Cheng, Kun Cheng, Zhengfei Dai and Zhihong Liu
Catalysts 2020, 10(2), 166; https://doi.org/10.3390/catal10020166 - 1 Feb 2020
Cited by 112 | Viewed by 11771
Abstract
Direct ethanol fuel cells (DEFCs) have emerged as promising and advanced power systems that can considerably reduce fossil fuel dependence, and thus have attracted worldwide attention. DEFCs have many apparent merits over the analogous devices fed with hydrogen or methanol. As the key [...] Read more.
Direct ethanol fuel cells (DEFCs) have emerged as promising and advanced power systems that can considerably reduce fossil fuel dependence, and thus have attracted worldwide attention. DEFCs have many apparent merits over the analogous devices fed with hydrogen or methanol. As the key constituents, the catalysts for both cathodes and anodes usually face some problems (such as high cost, low conversion efficiency, and inferior durability) that hinder the commercialization of DEFCs. This review mainly focuses on the most recent advances in nanostructured catalysts for anode materials in DEFCS. First, we summarize the effective strategies used to achieve highly active Pt- and Pd-based catalysts for ethanol electro-oxidation, including composition control, microstructure design, and the optimization of support materials. Second, a few non-precious catalysts based on transition metals (such as Fe, Co, and Ni) are introduced. Finally, we outline the concerns and future development of anode catalysts for DEFCs. This review provides a comprehensive understanding of anode catalysts for ethanol oxidation in DEFCs. Full article
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