Effect of entropy change of lithium intercalation in cathodes and anodes on Li-ion battery thermal management

被引：317

作者：

Viswanathan, Vilayanur V. ^{[1
]}

Choi, Daiwon ^{[1
]}

Wang, Donghai ^{[1
]}

Xu, Wu ^{[1
]}

Towne, Silas ^{[1
]}

Williford, Ralph E. ^{[1
]}

Zhang, Ji-Guang ^{[1
]}

Liu, Jun ^{[1
]}

Yang, Zhenguo ^{[1
]}

机构：

[1] Pacific NW Natl Lab, Lab Directed Res & Dev Program, Richland, WA 99352 USA

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 11期

关键词：

Lithium-ion; Battery; Entropy; Reversible; Irreversible; Safety; ELECTRODE; BEHAVIOR; CELLS;

D O I：

10.1016/j.jpowsour.2009.11.103

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The entropy changes (AS) in various cathode and anode materials, as well as in complete Li-ion batteries, were measured using an electrochemical thermodynamic measurement system (ETMS). LiCoO2. has a much larger entropy change than electrodes based on LiNixCoyMnzO2 and LiFePO4, while lithium titanate based anodes have lower entropy change compared to graphite anodes. The reversible heat generation rate was found to be a significant portion of the total heat generation rate. The appropriate combinations of cathode and anode were investigated to minimize reversible heat generation rate across the 0-100% state of charge (SOC) range. In addition to screening for battery electrode materials with low reversible heat, the techniques described in this paper can be a useful engineering tool for battery thermal management in stationary and transportation applications. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：3720 / 3729

页数：10

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