THERMODYNAMIC OPTIMIZATION OF PEM FUEL CELL STACK GAS CHANNEL FOR OPTIMAL THERMAL PERFORMANCE

被引：0

作者：

Obayopo, Surajudeen O. ^{[1
]}

Bello-Ochende, Tunde ^{[1
]}

Meyer, Joshua P. ^{[1
]}

机构：

[1] Univ Pretoria, Dept Mech & Aeronaut Engn, ZA-0002 Pretoria, South Africa

来源：

PROCEEDINGS OF THE ASME INTERNATIONAL HEAT TRANSFER CONFERENCE - 2010, VOL 5: FUEL CELLS, GAS TURBINES, HEAT PIPES, JET IMPINGEMENT, RADIATION | 2010年

关键词：

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This study shows a procedure to optimize polymer exchange membrane (PEM) fuel cell gas channels in the systems bipolar plates with the aim of globally optimizing the overall system net power performance. Two geometrical gas flow channel configuration are considered, parallel channel and serpentine. Geometric optimization is carried out to determine the configuration which offers minimum pressure drop within the system and the maximum heat and mass transfer for optimal system performance. The systems are subjected to the constraints of total fixed volume and materials. The systems total and net power, efficiency and polarization curves are presented as a function of system temperature, pressure, geometry and operating parameters. Predicted results are compared successfully against past data involving channel flow profiles in gas channels. The configurations obtained from the geometric optimization reduce the overall pumping power requirement and subsequently cost for the supply of required fuel and oxidants to the fuel cell through the channels.

引用

页码：29 / 35

页数：7

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