INVESTIGATION OF POROUS GAS FLOW FIELD IN POLYMER ELECTROLYTE MEMBRANE FUEL CELL

被引：0
|
作者：
Kozakai, Masaya [1 ]
Okusawa, Tsutomu [1 ]
Satake, Hiroyuki [1 ]
Takahashi, Ko [1 ]
机构：
[1] Hitachi Ltd, Hitachi, Ibaraki 3191292, Japan
来源：
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON POWER ENGINEERING 2009 (ICOPE-09), VOL 2 | 2009年
关键词：
PEM Fuel Cell; High Current Density; Porous Flow Field; PERMEABILITY; BACKING; INPLANE; LAYERS; PEMFC;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The development of high-power-density Polymer Electrolyte Membrane (PEM) fuel cells is an effective approach to widely varied commercial applications. A bipolar plate is an important component for achieving high-power-density PEM fuel cells. Our investigation focused on a novel flow distribution method for the reactant gas in order to operate at a higher current density. Two types of bipolar plates with porous flow fields were evaluated. The hybrid flow field that consists of a porous medium and stamped land structure is superior in performance to the flow field made only of a porous medium. It is considered that the reactant gas distribution was improved by the stamped land region and increased the effective working area.
引用
收藏
页码：237 / 242
页数：6
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