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Acta Physico-Chimica Sinica  2007, Vol. 23 Issue (12): 1922-1926    DOI: 10.3866/PKU.WHXB20071217
Article     
Preparation and Characterization of a Novel Kind of Polymer Electrolyte Composite Membrane for Lithium-Ion Battery
FENG Hua-Jun; CHEN Yuan;DAI Ke-Hua; SONG Zhao-Shuang; MA Jian-Wei; QI Lu
New Energy Materials and Technology Laboratory, Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China; CITIC Guoan Mengguli New Energy Technology Co., Ltd., Beijing 102200, P. R. China
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Abstract  A novel kind of PVDF-HFP(polyvinylidene fluoride-hexafluoropro-pylene)-based polymer electrolyte composite membrane for lithium-ion battery was prepared. Inorganic TiO2 nanopowders in composite were dealt with solid super-acidization. Series of characterizations were carried on, such as surface acid strength H0, XRD analysis, electrolyte absorbency, and electrochemical impedance spectroscopy. PE non-woven fabrics were introduced as the reinforced materials, which were soaked to prepare the composite membranes, and then assembled to get the resulted lithium-ion battery. Performance tests indicated that the lithium-ion battery had good electrochemical performance.

Key wordsPVDF-HFP      Polymer electrolyte composite membranes      Solid superacid      Non-woven fabrics      Lithium-ion battery     
Received: 17 September 2007      Published: 24 October 2007
MSC2000:  O646  
Corresponding Authors: QI Lu     E-mail: qilu@pku.edu.cn
Cite this article:

FENG Hua-Jun; CHEN Yuan;DAI Ke-Hua; SONG Zhao-Shuang; MA Jian-Wei; QI Lu. Preparation and Characterization of a Novel Kind of Polymer Electrolyte Composite Membrane for Lithium-Ion Battery. Acta Physico-Chimica Sinica, 2007, 23(12): 1922-1926.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20071217     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2007/V23/I12/1922

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