Influence of Additives in Electrolyte Solutions on Safety and Cycle Life of Lithium Cells
Open Access
- 5 November 2002
- journal article
- Published by The Electrochemical Society of Japan in Electrochemistry
- Vol. 70 (11) , 875-879
- https://doi.org/10.5796/electrochemistry.70.875
Abstract
The influence of additives in electrolyte solutions on overcharge tolerance and cycle life of rechargeable lithium cells is examined. The electrolyte solution employed in this work was 1 M LiClO4-propylene carbonate. The additives we studied were ten organic aromatic compounds. Biphenyl is well-known as an overcharge protection additive. The purpose of this work was to find additives with higher oxidation potential and longer charge-discharge cycle life than biphenyl. Summarizing the results, cyclohexylbenzene and hydrogenated diphenyleneoxide exhibited better performance than biphenyl.Keywords
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