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Issue:
Anode Flow Field Structures of Micro Direct Methanol Fuel Cell
Author(s):
ZHANG Peng
,
ZHANG Yu-feng
,
GAI Qi-qi
,
LIU Xiao-wei
Pages:
204
-
210
Year:
2012
Issue:
3
Journal:
Nanotechnology and Precision Engineering
Keyword:
微型直接甲醇燃料电池
;
MEMS
;
阳极流场
;
渐缩式蛇形
;
Abstract:
针对微型直接甲醇燃料电池(DMFC)阳极传质效率低和性能差等问题,对DMFC阳极流场结构进行了研究.利用MEMS技术实现了具有点形、平行和蛇形等阳极流场结构的硅基自呼吸式DMFC,测试对比结果表明单蛇形流场结构性能要优于其他几种流场;另外,对单蛇形流场结构参数进行了优化,结果表明当流道宽度:脊的宽度:流道长度为2:3:254时,电池性能达到最佳.在此基础上,为了改善反应物到催化层的传质效率和提高性...
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