Non-aqueous electrolytic solution for lithium secondary...

H - Electricity – 01 – M

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H01M 10/0525 (2010.01) H01M 10/0566 (2010.01)

Patent

CA 2532579

[PROBLEMS] A nonaqueous electrolytic solution which can be advantageously used for producing a lithium secondary battery having excellent cycle characteristics. [MEANS FOR SOLVING PROBLEMS] In a nonaqueous electrolytic solution for lithium secondary batteries wherein an electrolyte salt is dissolved in a nonaqueous solvent, there are further added 0.01-10 weight% of a vinylene carbonate compound and 0.01-10 weight% of an alkyne compound.

Face aux problèmes abordés, cette invention présente une solution électrolytique non aqueuse pouvant être utilisée avantageusement dans la production d'un accumulateur au lithium présentant d'excellentes caractéristiques de cycles. Les moyens pour résoudre les problèmes exposés présentent une solution électrolytique non aqueuse pour accumulateurs au lithium dans laquelle un sel d'électrolyte est dissous dans un solvant non aqueux, sont également ajoutés 0,01-10 % en poids d'un composé carbonate de vinylène et 0,01-10 % en poids d'un composé alcyne.

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