A study of the agglomerate catalyst layer for the cathode side of a proton exchange membrane fuel cell: Modeling and optimization

被引：48

作者：

Khajeh-Hosseini-Dalasm, N. ^{[1
]}

Fesanghary, M. ^{[2
]}

Fushinobu, K. ^{[1
]}

Okazaki, K. ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Mech & Control Engn, Meguro Ku, Tokyo 1528552, Japan

[2] Louisiana State Univ, Dept Mech Engn, Baton Rouge, LA 70803 USA

来源：

ELECTROCHIMICA ACTA | 2012年 / 60卷

关键词：

Catalyst layer; Structural parameters; Analysis of means; Analysis of variance; Optimization; HARMONY SEARCH ALGORITHM; DIRECT METHANOL; NAFION; DIFFUSION; KNUDSEN; WATER;

D O I：

10.1016/j.electacta.2011.10.099

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A comprehensive mathematical model for the cathode catalyst layer (CL) of a proton exchange membrane fuel cell (PEMFC) is developed to investigate its performance, which is determined by activation overpotential. Numerous cathode CL parameters such as the saturation and eight structural parameters, namely, ionomer film thickness covering each agglomerate, agglomerate radius, platinum loading, carbon loading, ionomer volume fraction, gas diffusion layer penetration content and its porosity, and CL thickness are taken into account. The main effects of each parameter and their interactions are investigated using the analysis of means (ANOM) and interaction plots, respectively. Analysis of variance (ANOVA) is used to identify the influence of the CL structural parameters on the activation overpotential. Finally, an evolutionary optimization algorithm is employed to maximize the cathode CL's performance. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：55 / 65

页数：11

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