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Degradation in lithium ion battery current collectors
Journal of Physics: Energy ( IF 6.9 ) Pub Date : 2021-07-16 , DOI: 10.1088/2515-7655/ac0c04
Liya Guo 1, 2, 3 , Daisy B Thornton 1, 2 , Mohamed A Koronfel 1, 2, 4 , Ifan E L Stephens 1, 2 , Mary P Ryan 1, 2
Affiliation  

Lithium ion battery (LIB) technology is the state-of-the-art rechargeable energy storage technology for electric vehicles, stationary energy storage and personal electronics. However, a wide variety of degradation effects still contribute to performance limitations. The metallic copper and aluminium current collectors in an LIB can be subject to dissolution or other reactions with the electrolytes. Corrosion of these metal foils is significantly detrimental to the overall performance of an LIB, however the mechanisms of this degradation are poorly understood. This review summarises the key effects contributing to metal current collector degradation in LIBs as well as introduces relevant corrosion and LIB principles. By developing the understanding of these complex chemistries, LIB degradation can be mitigated, enabling safer operation and longer lifetimes.



中文翻译:

锂离子电池集流体的降解

锂离子电池 (LIB) 技术是用于电动汽车、固定式储能和个人电子产品的最先进的可充电储能技术。然而,各种各样的退化效应仍然会导致性能限制。LIB 中的金属铜和铝集流体可能会与电解质发生溶解或其他反应。这些金属箔的腐蚀严重损害 LIB 的整体性能,但人们对这种退化的机制知之甚少。本综述总结了导致锂离子电池中金属集流体降解的关键影响,并介绍了相关的腐蚀和锂离子电池原理。通过深入了解这些复杂的化学物质,可以减轻 LIB 的降解,

更新日期:2021-07-16
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