A high electrode-reaction rate for high-power-density lithium-ion secondary batteries by the addition of a lewis acid

被引：22

作者：

Kato, Y ^{[1
]}

Ishihara, T ^{[1
]}

Ikuta, H ^{[1
]}

Uchimoto, Y ^{[1
]}

Wakihara, M ^{[1
]}

机构：

[1] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Appl Chem, Meguro Ku, Tokyo 1528552, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 15期

关键词：

batteries; borates; charge transfer; Lewis acids; lithium;

D O I：

10.1002/anie.200353220

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A salt and battery: The charge-transfer reaction at the electrode/electrolyte interfaces is important in the fabrication of high-power-density lithium-ion secondary batteries. This reaction rate is increased by adding a poly(ethylene glycol)-borate ester Lewis acid to the electrolyte. Because the Lewis acid interacts preferentially with anions (X -), an increase in the activity of lithium ions is induced by enhancing the dissociation of lithium salts (Li+X-, see scheme).

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页码：1966 / 1969

页数：4

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