Overcharge protection by coupling redox shuttle chemistry...

Details Overcharge protection by coupling redox shuttle chemistry... Overcharge protection by coupling redox shuttle chemistry...

H - Electricity

01

M

H01M 10/0564 (2010.01) H01M 10/0525 (2010.01)

Patent

CA 2678559

The over charge protection of a lithium ion cell is improved by using an electrolyte comprising at least one redox shuttle additive that comprises an in situ generated soluble oxidizer or oxidant to accelerate other forms of chemical overcharge protection. The oxidizer can be employed in combination with radical polymerization additives.

L'invention concerne la protection contre la surcharge d'une batterie lithium-ion améliorée par l'utilisation d'un électrolyte comprenant au moins un additif de navette redox comprenant un oxydant soluble généré in situ pour accélérer d'autres formes de protection contre la surcharge chimique. L'oxydant peut être employé en combinaison avec des additifs de polymérisation radicalaire.

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