高温质子交换膜燃料电池用聚苯并咪唑/聚乙烯基苄基交联膜的制备与性能研究
网络出版日期: 2015-10-28
基金资助
国家自然科学基金项目（No. 21436003，No. 61433013）、国家高技术研究发展计划（No. 2013AA110201）
Preparations and Properties of Polybenzimidazole/PolyVinylbenzyl Crosslinked Composite Membranes for High Temperature Proton Exchange Membrane Fuel Cells
Online published: 2015-10-28
郝金凯 , 姜永燚 , 王 禛 , 李晓锦 , 邵志刚 , 衣宝廉 . 高温质子交换膜燃料电池用聚苯并咪唑/聚乙烯基苄基交联膜的制备与性能研究[J]. 电化学, 2015 , 21(5) : 441 -448 . DOI: 10.13208/j.electrochem.150745
In order to increase the chemical stability of polybenzimidazole (PBI) membrane, a highly stable polymer, poly vinylbenzyl chloride (PVBC), was chosen as the macromolecular crosslinker, and 1H-1,2,4-triazol was adopted to prepare the crosslinked PBI-based membranes. The influence of the PVBC amount on membrane characteristic was investigated in detail. The results indicated that the crosslinked structure of the membrane effectively improved the chemical stability, and at the same time, the membrane presented good mechanical property and proton conductivity. The fuel cell performance for the membrane was tested with hydrogen and oxygen single cell without humidification at 150 oC, and the maximum power density reached 0.82 W?cm-2.
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