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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
KeywordKoh Doped Polybenzimidazole Durability Air-breathing Alkali Direct Ethanol Fuel Cell
Source PublicationJOURNAL OF POWER SOURCES
2011-03-15
DOI10.1016/j.jpowsour.2010.11.104
Volume196Issue:6Pages:3244-3248
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectElectrochemistry ; Energy & Fuels
WOS Research AreaElectrochemistry ; Energy & Fuels
WOS KeywordANION-EXCHANGE MEMBRANES ; SODIUM-BOROHYDRIDE ; DIRECT ALCOHOL ; METHANOL ; ELECTROLYTE ; ELECTRODIALYSIS ; CONDUCTIVITY ; PERFORMANCE ; RADIATION
AbstractRecently, 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.
Language英语
WOS IDWOS:000287058800039
Citation statistics
Cited Times:46[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142607
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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