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Analysis of electrochemical performance of lithium carbon fluorides primary batteries after storage
Journal of Materiomics ( IF 8.4 ) Pub Date : 2021-03-09 , DOI: 10.1016/j.jmat.2021.02.010
Wen Liu , Tingfang Yan , Rui Guo , Guoju Dang , Yong Li , Haijuan Pei , Qibin Yan , Jingying Xie

Lithium carbon fluorides (Li/CFx) primary batteries are of highly interests due to their high specific energy and power densities. The shelf life is one of the major concerns when they are used as backup power, emergency power and storage power in landers, manned spacecraft or military applications. In this work, real-time storage tests are carried out for both energy-type and power-type Li/CFx pouch batteries at 25 °C. Accelerated storage tests are performed at elevated temperature of 55 °C. The electrochemical tests are conducted throughout the aging period of 0–365 days for various batteries to study the effects of temperature on both type of batteries. The observed electrochemical behaviors are explained with the evidences from multiple characterizations for post-tested samples.



中文翻译:

氟化碳锂原电池储存后电化学性能分析

锂碳氟化物(Li/CF x)一次电池由于其高比能量和功率密度而备受关注。当它们在着陆器、载人航天器或军事应用中用作备用电源、应急电源和存储电源时,保质期是主要问题之一。在这项工作中,对能量型和功率型 Li/CF x软包电池在 25 °C 下进行了实时存储测试。加速储存测试在 55 °C 的高温下进行。电化学测试在各种电池的 0-365 天老化期间进行,以研究温度对两种电池的影响。观察到的电化学行为用来自测试后样品的多个表征的证据来解释。

更新日期:2021-03-09
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