New V-Sn Alloys Prepared by Powder Metallurgy for Lithium Battery Negative Electrode

Hideo Yoshinaga; Akio Kawabata; Yongyao Xia; Tetsuo Sakai

doi:10.2497/jjspm.49.37

Hideo Yoshinaga, Akio Kawabata, Yongyao Xia, Tetsuo Sakai

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Keywords: Lithium ion batteries, vanadium based alloy, sintering process, negative electrode material

JOURNAL FREE ACCESS

2002 Volume 49 Issue 1 Pages 37-43

DOI https://doi.org/10.2497/jjspm.49.37

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Abstract

We have prepared V-Sn alloys by powder metallurgy process as a new negative electrode material for Lithium ion battery. The cycle life was significantly improved by formation of intermetallic compound V₂Sn₃. The V₂Sn₃ alloy showed a rechargeable capacity of ca.500mAh/g over 50 cycles in the charge/discharge range of 0-1.5V.

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