Suppression of Electrochemical Decomposition of Electrolyte in Lithium Ion Batteries Using Electrolyte Containing Acetate Group Compounds

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Other Title
  • アセテート類を含む電解液を用いるリチウムイオン電池用電解液の分解抑制
  • コミュニケーション アセテート類を含む電解液を用いるリチウムイオン電池用電解液の分解抑制
  • コミュニケーション アセテートルイ オ フクム デンカイエキ オ モチイル リチウム イオン デンチヨウ デンカイエキ ノ ブンカイ ヨクセイ

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Abstract

<p>A liquid organic electrolyte system for lithium ion batteries with graphite anode containing acetate group compounds as electrolyte additives has been studied. The decomposition of electrolyte on the graphite electrode could be remarkably suppressed by the addition of the amounts of additives (phenyl acetate, iso-propenyl acetate, l-acetoxy methoxy ethane and acetic anhydride). Molecular orbital calculations have been used as a screening tool for the selection of the additives. The correlation between the lowest unoccupied molecular orbital (LUMO) energy and the reduction potential of the additives is roughly linear.</p>

Journal

  • Electrochemistry

    Electrochemistry 73 (9), 788-790, 2005-09-05

    The Electrochemical Society of Japan

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