V-Sn合金薄膜の作製とリチウム二次電池負極特性

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タイトル別名
  • V-Sn Alloy Thin Film as New Anode Materials for Lithium Rechargeable Batteries
  • V Sn ゴウキン ハクマク ノ サクセイ ト リチウム 2ジ デンチ フキョク トクセイ

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抄録

<p>We have succeeded in producing a V-Sn alloy thin film as an anode material for lithium-ion batteries using sputtering method. The V-Sn alloy target was prepared by thermic process. The obtained V-Sn alloy targets are mainly composed of V2Sn3 phase containing tin impurity, but these alloy thin films are composed of V-Sn amorphous phase and Sn phase. The half-cell tests revealed that the cycle performance of the V-Sn thin film electrode was significantly improved by the annealing the target. The V-Sn thin film electrode showed an initial rechargeable capacity of 700 Ah /kg, which was reduced to 558 Ah /kg even after 300 cycles.</p>

収録刊行物

  • Electrochemistry

    Electrochemistry 73 (10), 897-899, 2005-10-05

    公益社団法人　電気化学会

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