期刊
SOLID STATE IONICS
卷 190, 期 1, 页码 25-29出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2011.03.016
关键词
Membrane; Multilayer structure; Proton conduction; Flexibility
资金
- National High-Tech R&D Program (863 Program) [2009AA05Z113]
- Ministry of Science & Technology of China [2008DFA51200]
- Shanghai Pujiang Program [08PJ1406500]
- National Natural Science Foundation of China (NSFC) [50672058]
- China Postdoctoral Science Foundation
An ultra-thin, flexible proton-conducting (PEI-PCGF)/phosphosilicate/(PEI-PCGF) (PPP) membrane with organic/inorganic multilayer structure is prepared. The total thickness of the membrane is ca. 500 nm. In the multilayer structure, the brittle inorganic phosphosilicate layer was supported and protected by organic PEI-PCGF layers, which provide sufficient mechanical strength and flexibility. The proton conductivity of the multilayer membrane is 10(-5) S cm(-1) and the area specific resistance is 4.5 Omega cm(2) at 70 degrees C, 90% relative humidity (RH). (C) 2011 Elsevier B.V. All rights reserved.
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