A bottom-up approach to solving technical challenges in fuel cell systems through innovative catalyst design

被引：9

作者：

Min, Jiho ^{[1
]}

Chougule, Sourabh S. ^{[1
]}

Sravani, Bathinapatla ^{[1
]}

Ko, Keonwoo ^{[1
]}

Kim, Yunjin ^{[1
]}

Jung, Namgee ^{[1
]}

机构：

[1] Chungnam Natl Univ, Grad Sch Energy Sci & Technol GEST, 99 Daehak Ro, Daejeon 34134, South Korea

来源：

CURRENT OPINION IN ELECTROCHEMISTRY | 2023年 / 39卷

基金：

新加坡国家研究基金会;

关键词：

Molecular sieve effect; Carbon shell; Anion poisoning effect; CO tolerance; Reverse current flow; Oxygen reduction reaction; Hydrogen oxidation reaction; OXYGEN REDUCTION REACTION; GRAPHITIC CARBON NANOSTRUCTURES; PLATINUM NANOCATALYSTS; PHOSPHORIC-ACID; GRAPHENE; SELECTIVITY; SURFACES;

D O I：

10.1016/j.coelec.2023.101257

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

To realize a zero-emission society for the future, intensive research is being conducted to commercialize fuel cells as an ideal solution for non-polluting electric vehicles and power plants. However, technical issues, such as performance degradation due to adsorption of ionomers and spectator ions, catalyst poisoning by CO in reformed H2 fuel, and reverse current flow under shut-down/start-up conditions, still remain to be addressed. In this review, an interesting concept based on the molecular sieve effect is introduced to overcome the sys-temic challenges associated with fuel cell operation and electrode structure. In particular, we discuss in detail practical cases in which the performance and durability of fuel cells have been improved through the innovative catalyst design.

引用

页数：10

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