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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
KeywordPolybenzimidazole Porous Membrane Direct Borohydride Fuel Cell
Source PublicationJOURNAL OF POWER SOURCES
2015-05-15
DOI10.1016/j.jpowsour.2015.02.082
Volume282Pages:323-327
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectElectrochemistry ; Energy & Fuels
WOS Research AreaElectrochemistry ; Energy & Fuels
WOS KeywordANION-EXCHANGE MEMBRANES ; REDOX FLOW BATTERY ; FREE-VOLUME MODEL ; ELECTROLYTES ; SEPARATION ; STEP
AbstractPorous 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.
Language英语
WOS IDWOS:000351963900039
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146119
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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