Front Cover: Performance-Conscious Coadditive Approach for Enhancing Proton Exchange Membrane Durability: Roles of Tungsten Oxides and Cerium Ions (ChemElectroChem 19/2025)

IF 3.5 4区化学 Q2 ELECTROCHEMISTRY

ChemElectroChem Pub Date : 2025-10-05 DOI:10.1002/celc.70077

Kazuma Shinozaki, Naohiro Hoshikawa, Kyoko Tsusaka, Akitoshi Suzumura, Akihiro Shinohara, Shinya Morishita, Yuji Kamitaka, Kosuke Kitazumi, Naoki Kitano

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Abstract

Hydrogen peroxide is decomposed by tungsten oxide within the water domains of a proton exchange membrane in a fuel cell, while cerium ions quench aggressive hydroxyl radicals that arise from the reaction between hydrogen peroxide and ferrous ions. The illustration contrasts the roles of the two additives: cerium protects but slows proton transport, whereas tungsten oxide prevents degradation without hindrance. Together they represent a balanced strategy that prevents membrane degradation while maintaining high fuel cell performance. More information can be found in the Research Article by Kazuma Shinozaki and co-workers (DOI: 10.1002/celc.202500214).

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封面：增强质子交换膜耐久性的性能意识共添加剂方法：钨氧化物和铈离子的作用（ChemElectroChem 19/2025）

过氧化氢在燃料电池中质子交换膜的水域内被氧化钨分解，而铈离子则淬灭过氧化氢和铁离子之间反应产生的侵略性羟基自由基。该图对比了两种添加剂的作用：铈保护但减缓了质子的传输，而氧化钨则毫无阻碍地阻止了质子的降解。它们共同代表了一种平衡的策略，在保持高燃料电池性能的同时防止膜降解。更多信息可以在Kazuma Shinozaki及其同事的研究文章中找到（DOI: 10.1002/celc.202500214）。

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来源期刊

ChemElectroChem ELECTROCHEMISTRY-

CiteScore

7.90

自引率

2.50%

发文量

515

审稿时长

1.2 months

期刊介绍： ChemElectroChem is aimed to become a top-ranking electrochemistry journal for primary research papers and critical secondary information from authors across the world. The journal covers the entire scope of pure and applied electrochemistry, the latter encompassing (among others) energy applications, electrochemistry at interfaces (including surfaces), photoelectrochemistry and bioelectrochemistry.