Effect of Carbon Monoxide on Polymer Electrolyte Fuel Cell Performance with a Hydrogen Circulation System

被引：13

作者：

Matsuda, Yoshiyuki ^{[1
]}

Shimizu, Takahiro ^{[1
]}

Hashimasa, Yoshiyuki ^{[1
]}

机构：

[1] Japan Automobile Res Inst, E Mobil Res Div, 2530 Karima, Tsukuba, Ibaraki, Japan

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2020年 / 167卷 / 04期

关键词：

PLATINUM; CO; OXIDATION; PRESSURE; ELECTROCATALYSIS; OXYGEN;

D O I：

10.1149/1945-7111/ab732c

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The effect of carbon monoxide (CO) on the performance of polymer electrolyte fuel cells (PEFCs) with either a hydrogen circulation system or a hydrogen one-way pass system is investigated and compared. The voltage drop induced by adding 0.2 ppm of CO to the PEFC with the hydrogen circulation system was less than one-tenth of that observed in the PEFC with the hydrogen one-way pass system at 1000 mA cm(-2) and a cell temperature of 60 degrees C. Gas analysis results showed that CO concentration in the hydrogen circulation system was lower than the initially supplied CO concentration. In the hydrogen circulation system, permeated oxygen from the cathode should enhance CO oxidation. This should lead to decrease the CO concentration and mitigate the voltage drop in the hydrogen circulation system. (c) 2020 The Author(s). Published on behalf of The Electrochemical Society by IOP Publishing Limited.

引用

页数：6

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