Influences of sodium borohydride concentration on direct borohydride fuel cell performance

被引：54
|
作者：
Celik, Cenk [1 ]
San, Fatma Gul Boyaci [2 ]
Sarac, Halil Ibrahim [1 ]
机构：
[1] Kocaeli Univ, Dept Mech Engn, TR-41040 Kocaeli, Turkey
[2] Energy Inst, TUBITAK Marmara Res Ctr, TR-41470 Gebze, Kocaeli, Turkey
来源：
JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 09期
关键词：
Direct borohydride fuel cell; Sodium borohydride concentration; Oxidation; Fuel cell; OPERATION CONDITIONS; OXIDATION; AU;
D O I：
10.1016/j.jpowsour.2009.11.093
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：
In this work, the effects of sodium borohydride concentration on the performance of direct borohydride fuel cell, which consisted of Pd/C anode, Pt/C cathode and Na+ form Nafion (R) membrane as the electrolyte, have been investigated in steady state/steady-flow and uniform state/uniform-flow systems. The experimental results have revealed that the power density increased as the sodium borohydride concentration increased in the SSSF system. Peak power densities of 7.1, 10.1 and 11.7 MW cm(-2) have been obtained at 0.5, 1 and 1.5 M. respectively. However, the performance has decreased when the sodium borohydride concentration has been increased. and the fuel utilization ratios of 29.8%, 21.6% and 20.4% have been obtained at 0.5, 1 and 1.5 M, respectively in the USUF system. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：2599 / 2603
页数：5
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