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Research on a gel polymer electrolyte for Li-ion batteries

The preparation, physical, and electrochemical properties of Li-ion conducting membranes, poly(vinylidene fluoride-co-hexafluoropropylene) [P(VDF-HFP)]-based gel polymer electrolytes, are briefly reviewed in this paper. Phase separation or inversion method is mostly used to prepare microporous membr...

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Bibliographic Details
Published in:Pure and applied chemistry 2008-01, Vol.80 (11), p.2553-2563
Main Authors: Li, Guangchao, Li, Zhaohui, Zhang, Peng, Zhang, Hanping, Wu, Yuping
Format: Article
Language:English
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Summary:The preparation, physical, and electrochemical properties of Li-ion conducting membranes, poly(vinylidene fluoride-co-hexafluoropropylene) [P(VDF-HFP)]-based gel polymer electrolytes, are briefly reviewed in this paper. Phase separation or inversion method is mostly used to prepare microporous membranes because of the flexibility of its operation and controllable pore structure. The crystallinity of the polymer matrix and the pore structure of the membrane are the key issues to prepare P(VDF-HFP)-based gel polymer electrolytes with high Li conductivity and good mechanical strength. As to their further directions, they are also discussed.
ISSN:0033-4545
1365-3075
DOI:10.1351/pac200880112553