Oxygen Reduction at Very Low Overpotential on Nanoporous Ag Catalysts

被引：81

作者：

Zhou, Yang ^{[1
]}

Lu, Qi ^{[2
,3
]}

Zhuang, Zhongbin ^{[3
]}

Hutchings, Gregory S. ^{[3
]}

Kattel, Shyam ^{[4
]}

Yan, Yushan

Chen, Jingguang G. ^{[2
,4
]}

Xiao, John Q. ^{[1
]}

Jiao, Feng

机构：

[1] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA

[2] Columbia Univ, Dept Chem Engn, New York, NY 10027 USA

[3] Univ Delaware, Dept Chem & Biomol Engn, Newark, DE 19716 USA

[4] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA

来源：

ADVANCED ENERGY MATERIALS | 2015年 / 5卷 / 13期

基金：

美国国家科学基金会;

关键词：

MEMBRANE FUEL-CELLS; SILVER NANOWIRES; AIR BATTERIES; CARBON; ELECTROCATALYSTS; ELECTROREDUCTION; HYDROXIDE; OXIDATION;

D O I：

10.1002/aenm.201500149

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：

A monolithic nanoporous silver catalyst is developed to achieve a better performance than platinum at very low overpotentials for oxygen reduction reaction in alkaline conditions. Benefiting from the reaction-promoting electrode architecture and the enhanced surface area, such a nanoporous silver catalyst exhibits a threefold improved overall activity compared to that of commercial state-of-the-art platinum carbon catalysts at 0.90 V versus RHE. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页数：4

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