Effect of gas channel height on gas flow and gas diffusion in a molten carbonate fuel cell stack

被引：20

作者：

Hirata, H ^{[1
]}

Nakagaki, T ^{[1
]}

Hori, M ^{[1
]}

机构：

[1] Power & Ind Syst Res & Dev Ctr, Kawasaki Ku, Kawasaki, Kanagawa 2100862, Japan

来源：

JOURNAL OF POWER SOURCES | 1999年 / 83卷 / 1-2期

关键词：

molten carbonate fuel cell; simulation; analysis; gas flow; gas diffusion; cell performance;

D O I：

10.1016/S0378-7753(99)00253-0

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：

An investigation is made of the relationships between the gas channel height, the gas-flow characteristics, and the gas-diffusion characteristics in a plate heat-exchanger type molten carbonate fuel cell stack. Effects of the gas channel height on the uniformity and pressure loss of the gas flow are evaluated by numerical analysis using a computational fluid dynamics code. The effects of the gas channel height on the distribution of the reactive gas concentration in the direction perpendicular to the channel flow are evaluated by an analytical solution of the two-dimensional concentration transport equation. Considering the results for uniformity and pressure loss of the gas flow, and for distribution of the reactive gas concentration, the appropriate gas channel height in the molten carbonate fuel cell stack is investigated. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：41 / 49

页数：9