The Effect of Gas Diffusion Layer PTFE Content on The Performance of High Temperature Proton Exchange Membrane Fuel Cell

被引：0
作者：
Su, Huaneng [1 ]
Sita, Cordellia [1 ]
Pasupathi, Sivakumar [1 ]
机构：
[1] Univ Western Cape, HySA Syst Competence Ctr, SAIAMC, Robert Sobukwe Rd, ZA-7535 Cape Town, South Africa
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2016年 / 11卷 / 04期
关键词：
High temperature proton exchange membrane fuel cell; Polybenzimidazole; Gas diffusion layer; Micro-porous layer; PTFE loading; Cell performance; MICRO-POROUS LAYER; CATALYST LAYER; ENHANCED PERFORMANCE; ELECTRODE; PLATINUM; PEMFC;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Gas diffusion layer (GDL) with different polytetrafluoroethylene ( PTFE) contents in the carbon substrate and the micro-porous layer (MPL) were investigated for the application in poly(2,5-benzimidazole) (ABPBI)-based high temperature polymer electrolyte membrane fuel cell (HTPEMFC). The physical properties of the GDLs were characterized by scanning electron microscopy (SEM) and pore size distribution. The electrochemical properties of the single cell based on these GDLs were evaluated and analyzed by I-V curve and electrochemistry impedance spectroscopy (EIS). The results showed the use of a minimal quantity of PTFE in the carbon substrate (similar to 15 wt%) and the MPL (similar to 5-10 wt%) are suggested for both good mechanical properties of the GDLs and the good fuel cell performance.
引用
收藏
页码：2919 / 2926
页数：8
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