Advanced Lithium Secondary Batteries Using Tin-Iron Alloy Negative Electrodes Prepared by Electroplating

Tsukasa Sonoda, Hironori Kobayashi, Kenichi Komoto, Hikari Sakaebe, Kuniaki Tatsumi

研究成果: ジャーナルへの寄稿学術誌査読

4 被引用数 (Scopus)

抄録

The charge-discharge behaviour of tin-iron (13% by weight) alloy films plated on rolled copper foils was investigated. X-ray diffraction patterns of the tin-iron alloy films contained peaks corresponding to FeSn2 and tin. This negative electrode possessed a discharge capacity of 356 mAh/g after 50 cycles using metallic lithium as the counter electrode and was superior to tin-plated copper and carbon negative electrodes. These results suggest that the dispersion of iron in tin deposits separated from the tin-iron alloy during the first charge reaction improves the electrical conductivity between regions of tin-lithium intermetallic compounds formed during discharge and leads to the suppression of repeated contraction and expansion of the plated film.

本文言語英語
ページ(範囲)1096-1098
ページ数3
ジャーナルElectrochemistry
71
12
DOI
出版ステータス出版済み - 12月 2003
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 電気化学

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