Characteristics of Interpenetrated Polymer Network System made of Polyethylene Oxide-LiBF 4 Complex and Polystyrene as the Electrolyte for Lithium Secondary Battery

Toshiyuki Momma, Hiroaki Ito, Hiroki Nara, Hitomi Mukaibo, Stefano Passerini, Tetsuya Osaka

研究成果: Article

5 引用 (Scopus)

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We propose a polymer blending method for preparing the PEO (polyethylene oxide)-LiBF 4 complex electrolyte for lithium secondary battery applying to the IPN (interpenetrated polymer network) gel electrolyte. The polymer blend mixture of PEO-PS (polystyrene)-LiBF 4 was prepared as a film by the hot-pressing method. The resulting IPN film was plasticized with the electrolyte solution of 0.5 M LiBF 4/EC(ethylene carbonate)-PC(propylene carbonate) (1 : 1 vol.), in which the formation of PEO-LiBF 4 complex was confirmed by the Raman spectroscopy. The basic properties as an electrolyte of Li metal batteries, i.e., ionic conductivity, chemical stability at the polymer gel electrolyte/lithium metal interface, and charge-discharge performance of the Li/(PEO-LiBF 4/PS) gel electrolyte/LiCoO 2 cell were studied and discussed.

元の言語English
ページ(範囲)1182-1186
ページ数5
ジャーナルElectrochemistry
71
発行部数12
出版物ステータスPublished - 2003 12 1

ASJC Scopus subject areas

  • Electrochemistry

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