Paper Title:
Poly(Acrylonitrile-Methyl Methacrylate) Based Microporous Gel Electrolyte for Li-Ion Battery
  Abstract

Preparation and performance of poly(acrylonitrile-methylmethacrylate) based microporous gel electrolyte for Li-ion batteries were studied. The poly(acrylonitrile-methyl methacrylate (P(AMMA)) was synthesized by suspension polymerization, and poly(acrylonitrile-methyl methacrylate) microporous polymer membrane with 0.03~0.1mm was prepared by phase inversion technique. The gel electrolyte was obtained by putting the P(AMMA) microporous polymer membrane in a liquid electrolyte, which was a solution of 1.0 M LiPF6 dissolved in a 1:1 (v/v) mixture of ethylene carbonate (EC) and diethylene carbonate (DEC, and heated at 60°C for 2 hours. The microporous gel electrolyte gelled with 325 wt.% of liquid electrolyte vs. the dried membrane presented an ionic conductivity of 7.52 × 10-4 S/cm at 25°C. The coin test battery with the microporous gel electrolyte showed a good cycling performance. The discharge capacity retention was above 88% at 0.1C rate at the 50th cycle.

  Info
Periodical
Key Engineering Materials (Volumes 336-338)
Edited by
Wei Pan and Jianghong Gong
Pages
533-536
DOI
10.4028/www.scientific.net/KEM.336-338.533
Citation
W. H. Pu, X. M. He, L. Wang, C. Y. Jiang, C. R. Wan, S. C. Zhang, "Poly(Acrylonitrile-Methyl Methacrylate) Based Microporous Gel Electrolyte for Li-Ion Battery", Key Engineering Materials, Vols. 336-338, pp. 533-536, 2007
Online since
April 2007
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Price
$32.00
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