Effects of ultrasound on lithium metal rechargeable battery characteristics at high charging rate

被引：15

作者：

Ding, F ^{[1
]}

Zhang, CF ^{[1
]}

Hu, XG ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Appl Chem, Harbin 150001, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2005年 / 7卷 / 05期

关键词：

Li anode; ultrasound; depolarization; high charging rate;

D O I：

10.1016/j.elecom.2005.03.012

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this work, ultrasound was imposed on Li metal anode to investigate its effects on lithium battery characteristics at high-rate charging process. It was found that under sonicated condition there was higher exchange current density (10) of Li metal, that could effectively decrease the cathodic overpotential of lithium electrode. Meanwhile, lower interfacial impedance of Li anode during high-rate charging process was revealed, if ultrasound imposed. Con sequentially, with the depolarization effect of ultrasound on Li anode at high-rate charging process, higher charge and discharge capacity of lithium cell was obtained. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：552 / 556

页数：5

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