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正交设计法优化PEMFC催化层的最佳配比 被引量：1

Optimizing Catalyst Layer Composition of PEMFC by Orthogonal Method
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摘要 　利用正交实验设计法优选PEMFC电极催化层制备的最佳条件.实验证实亲水电极(催化层中不含PTFE)性能优于疏水电极.在该工艺条件下,当Nafion的含量为1.4mg·cm-2,Pt含量为0.4mg·cm-2时,以常压的H2和空气分别作为燃料气和氧化剂,电池的最高功率可达到0.37W·cm-2.研究表明,提高Pt/C中的Pt含量将是提高催化剂性能的有效途径. The optimal composition of catalyst layer in a PEMFC electrode was studied through orthogonal method. It was showed that the performance of hydrophilic electrodes, in which there is no PTFE in the catalyst layer, were more favorable than that of hydrophobic electrodes. According to this condition, the power density of PEMFC attained 0.37 w·cm-2 when the Nafion loading was 1.4 mg·cm-2, and the Pt loading was 0.4 mg·cm-2 in the catalyst layer, using H2 as fuel and air as oxidant both at atmospheric pressure. Additionally, the results showed that increasing Pt loading in Pt/C catalyst was a reasonable way to improve PEMFC performance.
作者 王明华 朱新坚 曹广益 隋升 余晴春 胡鸣若 范征宇
机构地区 上海交通大学燃料电池研究所
出处 《电化学》 CAS CSCD 2003年第4期433-438,共6页 Journal of Electrochemistry
关键词 正交设计法 优化 PEMFC 催化层 配比 最优工艺条件 电极 燃料电池 Orthogonal test method,PEMFC,Optimal technique process,Electrode, Catalytic layer
分类号 TM911 [电气工程—电力电子与电力传动]
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共引文献8

同被引文献8

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电化学
2003年 第4期

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