Corrosion of Aluminum Current Collectors in Lithium-Ion Batteries with Electrolytes Containing LiPF6
作者： Xueyuan Zhang , Bryon Winget , Marca Doeff , James W. Evans , Thomas M. Devine
DOI: 10.1149/1.2041867
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摘要: Aluminum current collectors for cathodes in 61 life-tested lithium-ion batteries were microscopically examined for evidence of corrosion. In addition, galvanostatic anodic polarization tests were conducted in-containing battery electrolytes on samples of bare aluminum, of aluminum coated with a cathode, and of aluminum affixed with polyethylene crevices. The results indicate that aluminum current collectors are susceptible to corrosion, which most likely occurs as underdeposit corrosion at pores in the cathode.
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