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has been cited by the following article:

• TITLE: Performance Improvement of Polyvinyl Formal Based Gel Polymer Electrolyte for Lithium-Ion Batteries by Coating Al2O3

  AUTHORS: Yan Wen, Gaofeng Li, Pingping Zhang, Guohong Xiong

  KEYWORDS: Phase Inversion Method, Polyvinyl Formal, Polyvinyl Alcohol, Gel Polymer Electrolyte, Aluminum Oxide

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.4 No.2, February 17, 2016

  ABSTRACT: Al2O3/PVFM/Al2O3 trilayer membranes are prepared by means of simple coating of PVA-Al2O3 solution onto both sides of PVFM thin membranes, which is prepared via phase inversion method. The characteristics of the trilayer membranes and gel polymer electrolytes are investigated using FESEM, tensile testing apparatus, thermal shrinkage test, EIS and charge-discharge test. When inorganic Al2O3 particles are used to coat the PVFM membrane, drawbacks associated with gel-type membranes, namely, poor mechanical strength and thermal stability are greatly improved. Lithium ion cell with the Al2O3/PVFM/Al2O3 based GPE matched with LiFePO4 shows excellent electrochemical performance.