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Porous polybenzimidazole membranes with excellent chemical stability and ion conductivity for direct borohydride fuel cells
Chen, Dongju1; Yu, Shanshan1; Liu, Xue1; Li, Xianfeng2
关键词Polybenzimidazole Porous Membrane Direct Borohydride Fuel Cell
刊名JOURNAL OF POWER SOURCES
2015-05-15
DOI10.1016/j.jpowsour.2015.02.082
282页:323-327
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Electrochemistry ; Energy & Fuels
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]ANION-EXCHANGE MEMBRANES ; REDOX FLOW BATTERY ; FREE-VOLUME MODEL ; ELECTROLYTES ; SEPARATION ; STEP
英文摘要Porous membranes based on polybenzimidazole (PBI) are firstly introduced in direct borohydride fuel cell application (DBFC). Membranes with different thicknesses and porosity are successfully fabricated via water vapor phase inversion process. The prepared membranes show excellent ion conductivity and chemical stability under DBFC operating condition. Compare with Nafion 115, the prepared membranes show higher ion conductivity, as a result, much higher peak power density. No weight loss is observed after immersing the prepared membranes in a 3 M NaOH solution for 30 days, indicating the excellent chemical stability of porous PBI membranes. And the DBFC cells assembled with prepared membranes could discharge at 200 mA cm(-2) for more than 250 h without voltage decay, which is the longest time reported by far. This work provides a totally new idea for fabricating versatile DBFC membranes. (C) 2015 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000351963900039
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146119
专题中国科学院大连化学物理研究所
作者单位1.Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian 116023, Peoples R China
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Chen, Dongju,Yu, Shanshan,Liu, Xue,et al. Porous polybenzimidazole membranes with excellent chemical stability and ion conductivity for direct borohydride fuel cells[J]. JOURNAL OF POWER SOURCES,2015,282:323-327.
APA Chen, Dongju,Yu, Shanshan,Liu, Xue,&Li, Xianfeng.(2015).Porous polybenzimidazole membranes with excellent chemical stability and ion conductivity for direct borohydride fuel cells.JOURNAL OF POWER SOURCES,282,323-327.
MLA Chen, Dongju,et al."Porous polybenzimidazole membranes with excellent chemical stability and ion conductivity for direct borohydride fuel cells".JOURNAL OF POWER SOURCES 282(2015):323-327.
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