锂(药物)
电池(电)
电解质
储能
航程(航空)
离子
工程物理
能量密度
材料科学
纳米技术
核工程
化学
计算机科学
可靠性工程
电气工程
功率(物理)
工程类
物理
电极
热力学
物理化学
有机化学
复合材料
医学
内分泌学
作者
Jessie Harlow,Xiaowei Ma,Jing Li,E. R. Logan,Yulong Liu,Ning Zhang,Lin Ma,Stephen Glazier,Marc M. E. Cormier,Matthew Genovese,Samuel Buteau,Andrew R. Cameron,Jamie E. Stark,J. R. Dahn
出处
期刊:Journal of The Electrochemical Society
[The Electrochemical Society]
日期:2019-01-01
卷期号:166 (13): A3031-A3044
被引量:323
摘要
We present a wide range of testing results on an excellent moderate-energy-density lithium-ion pouch cell chemistry to serve as benchmarks for academics and companies developing advanced lithium-ion and other "beyond lithium-ion" cell chemistries to (hopefully) exceed. These results are far superior to those that have been used by researchers modelling cell failure mechanisms and as such, these results are more representative of modern Li-ion cells and should be adopted by modellers. Up to three years of testing has been completed for some of the tests. Tests include long-term charge-discharge cycling at 20, 40 and 55°C, long-term storage at 20, 40 and 55°C, and high precision coulometry at 40°C. Several different electrolytes are considered in this LiNi0.5Mn0.3Co0.2O2/graphite chemistry, including those that can promote fast charging. The reasons for cell performance degradation and impedance growth are examined using several methods. We conclude that cells of this type should be able to power an electric vehicle for over 1.6 million kilometers (1 million miles) and last at least two decades in grid energy storage. The authors acknowledge that other cell format-dependent loss, if any, (e.g. cylindrical vs. pouch) may not be captured in these experiments.
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