Diagnosis of power fade mechanisms in high-power lithium-ion cells

被引:109
作者
Abraham, DP
Liu, J
Chen, CH
Hyung, YE
Stoll, M
Elsen, N
MacLaren, S
Twesten, R
Haasch, R
Sammann, E
Petrov, I
Amine, K
Henriksen, G
机构
[1] Argonne Natl Lab, Div Chem Technol, Argonne, IL 60439 USA
[2] Univ Illinois, Ctr Microanal Mat, Urbana, IL 61801 USA
关键词
calendar-life; chromatography; microscopy; spectroscopy;
D O I
10.1016/S0378-7753(03)00275-1
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
Hybrid electric vehicles (HEV) need long-lived high-power batteries as energy storage devices. Batteries based on lithium-ion technology can meet the high-power goals but have been unable to meet HEV calendar-life requirements. As part of the US Department of Energy's Advanced Technology Development (ATD) Program, diagnostic studies are being conducted on 18650-type lithium-ion cells that were subjected to accelerated aging tests at temperatures ranging from 40 to 70 degreesC. This article summarizes data obtained by gas chromatography, liquid chromatography, electron microscopy, X-ray spectroscopy and electrochemical techniques, and identifies cell components that are responsible for the observed impedance rise and power fade. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:511 / 516
页数:6
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