Effect of hydrogen partial pressure on a polymer electrolyte fuel cell performance

被引：4

作者：

Lee, Jae-Young ^{[1
,2
]}

Joo, Jiyong ^{[1
]}

Lee, Jae Kwang ^{[1
]}

Uhm, Sunghyun ^{[1
]}

Lee, Eon Soo ^{[3
]}

Jang, Jae Hyuk ^{[3
]}

Kim, Nam-Ki ^{[2
]}

Lee, Yong-Chul ^{[2
]}

Lee, Jaeyoung ^{[1
]}

机构：

[1] Gwangju Inst Sci & Technol, Ertl Ctr Electrochem & Catalysis, Dept Environm Sci & Engn, Kwangju 500712, South Korea

[2] Sungkyunkwan Univ, Dept Chem Engn, Suwon 440746, South Korea

[3] Samsung Electromech Co Ltd, Suwon 443743, South Korea

来源：

KOREAN JOURNAL OF CHEMICAL ENGINEERING | 2010年 / 27卷 / 03期

关键词：

PEM Fuel Cells; Reforming Gas; H(2)/N(2) Ratio; CO; Recovery Test; PT-RU; OPERATION; SYSTEM;

D O I：

10.1007/s11814-010-0141-7

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We first investigated the effect of partial pressure of hydrogen (H(2)) on the performance of polymer electrolyte fuel cells (PEFCs) by controlling the ratio of hydrogen and nitrogen (N(2)). The cell performance with Pt/C anode was significantly decreased with reduction of the partial pressure of H(2) in the presence of carbon monoxide (CO), while the performance variation was negligible in the absence of CO. Severe CO poisoning on Pt/C electrode at low partial pressure of H(2) might be attributed to the hindering effect by N(2) and CO. On the other hand, PtRu/C anode showed consistent power performance even at low partial pressure of H(2).

引用

页码：843 / 847

页数：5

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