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Durability study of KOH doped polybenzimidazole membrane for air-breathing alkaline direct ethanol fuel cell
Hou, Hongying1; Wang, Suli1; Jiang, Qian1,2; Jin, Wei1,2; Jiang, Luhua1; Sun, Gongquan1
关键词Koh Doped Polybenzimidazole Durability Air-breathing Alkali Direct Ethanol Fuel Cell
刊名JOURNAL OF POWER SOURCES
2011-03-15
DOI10.1016/j.jpowsour.2010.11.104
196期:6页:3244-3248
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 ; SODIUM-BOROHYDRIDE ; DIRECT ALCOHOL ; METHANOL ; ELECTROLYTE ; ELECTRODIALYSIS ; CONDUCTIVITY ; PERFORMANCE ; RADIATION
英文摘要Recently, KOH doped polybenzimidazole (PBI/KOH) membrane has been reported as polymer electrolyte membrane for alkaline direct alcohol fuel cell (ADAFC), but little is known about its durability for ADAFC application. In this paper, the durability of PBI/KOH membrane for air-breathing alkaline direct ethanol fuel cell (ADEFC) is evaluated by means of ex situ and in situ tests. In the case of ex situ durability test, the ionic conductivity of PBI/KOH degrades from initial 0.023 S cm(-1) to 0.01 S cm(-1) after 100 h, and the degrading rate was 1.3 x 10(-4) S cm(-1) h(-1). As for in situ test. Pt-free air-breathing ADEFC with PBI/KOH membrane can output a peak power density of 16 mW cm(-2) at 60 degrees C. Moreover, it can stably operate for 336 h above 0.3 V. In addition, the interaction between KOH and PBI matrix is also explored by density functional theory study. (c) 2010 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000287058800039
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被引频次:42[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142607
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cells Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Hou, Hongying,Wang, Suli,Jiang, Qian,et al. Durability study of KOH doped polybenzimidazole membrane for air-breathing alkaline direct ethanol fuel cell[J]. JOURNAL OF POWER SOURCES,2011,196(6):3244-3248.
APA Hou, Hongying,Wang, Suli,Jiang, Qian,Jin, Wei,Jiang, Luhua,&Sun, Gongquan.(2011).Durability study of KOH doped polybenzimidazole membrane for air-breathing alkaline direct ethanol fuel cell.JOURNAL OF POWER SOURCES,196(6),3244-3248.
MLA Hou, Hongying,et al."Durability study of KOH doped polybenzimidazole membrane for air-breathing alkaline direct ethanol fuel cell".JOURNAL OF POWER SOURCES 196.6(2011):3244-3248.
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