A miniature air breathing direct formic acid fuel cell

被引：130
|
作者：
Ha, S [1 ]
Adams, B [1 ]
Masel, RI [1 ]
机构：
[1] Univ Illinois, Dept Chem & Biomol Engn, Urbana, IL 61801 USA
来源：
JOURNAL OF POWER SOURCES | 2004年 / 128卷 / 02期
关键词：
power density; passive fuel cells; batteries;
D O I：
10.1016/j.jpowsour.2003.09.071
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：
Small fuel cells are considered likely replacements for batteries in portable power applications. In this paper, the performance of a 2 cm x 2.4 cm x 1.4 cm passive miniature air breathing direct formic acid fuel cell (DFAFC) at room temperature is reported. The cell produced current density up to 250 mA/cm(2) and power density up to 33 mW/cm(2) at ambient conditions. The fuel cell runs successfully with formic acid concentration ranging from 1.8 and 10 M with little degradation in performance. These results show that passive fuel cells can compete with batteries in portable power applications. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：119 / 124
页数：6
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