High-rate lithium ion batteries with flat plateau based on self-nanoporous structure of tin electrode

被引：27
作者：
Hosono, Eiji [1 ]
Matsuda, Hirofumi
Honma, Itaru
Ichihara, Masaki
Zhou, Haoshen
机构：
[1] Natl Inst Adv Ind Sci & Technol, Energy Technol Res Inst, Tsukuba, Ibaraki 3058568, Japan
[2] Univ Tokyo, Inst Solid State Phys, Mat Design & Characterizat Lab, Kashiwa, Chiba 2778581, Japan
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2007年 / 154卷 / 02期
关键词：
D O I：
10.1149/1.2405727
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Tin film as a negative electrode in Li-ion secondary batteries with a flat plateau in the potential vs charge relationship even at a high rate ( high current density ) were fabricated. The self-nanoporous structure, which means that electrode becomes nanoporous after charge/discharge cycling, due to the lithium insertion/extraction during high-rate charge/discharge, high lithium diffusion coefficients, and metallic conductivity based on tin and tin - lithium alloy, are suitable for the high-rate property. The flat plateau of charge/discharge behavior indicates that this lithium storage device is not a super-capacitor but a secondary battery. This is the first report of a high-rate lithium secondary battery with a flat plateau. (c) 2006 The Electrochemical Society.
引用
收藏
页码：A146 / A149
页数：4
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