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

页码：A146 / A149

页数：4

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