A Model for High-Temperature PEM Fuel Cell: The Role of Transport in the Cathode Catalyst Layer

被引：15
|
作者：
Shamardina, O. [1 ]
Kulikovsky, A. A. [2 ]
Chertovich, A. V. [1 ]
Khokhlov, A. R. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
[2] Res Ctr Julich, Inst Energy & Climate Res Fuel Cells IEK 3, D-52425 Julich, Germany
来源：
FUEL CELLS | 2012年 / 12卷 / 04期
关键词：
Catalyst Layer; Crossover; HT-PEMFC; PBI; Simulation; OXYGEN REDUCTION REACTION; PERFORMANCE;
D O I：
10.1002/fuce.201100144
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
We report a model for HT-PEMFC with the detailed description of transport processes in the cathode catalyst layer (CCL). The model is compared to our previous model, which assumed ideal oxygen and proton transport in the CCL. Calculations show that close to the oxygen channel inlet, the CCL works in the regime limited by poor proton transport, while close to the outlet, the CCL operation is determined by poor oxygen transport. The model is validated by fitting the experimental polarization curve; the CCL transport and kinetic parameters resulting from fitting are discussed.
引用
收藏
页码：577 / 582
页数：6
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