Non-aqueous electrolyte secondary battery

   
   

In order to suppress deterioration in battery characteristics of a non-aqueous electrolyte secondary battery at a high temperature and to reduce the amount of gas generated within the battery, as a solute constituting an electrolyte, at least one selected from the group consisting of LiPF.sub.6, LiBF.sub.4, LiSbF.sub.6 and LiAsF.sub.6 as well as at least one selected from the group consisting of LiPF.sub.a (C.sub.b F.sub.2b+1).sub.6-a, LiPF.sub.c (C.sub.d F.sub.2d+1 SO.sub.2).sub.6-c, LiBF.sub.e (C.sub.f F.sub.2f+1).sub.4-e, LiBF.sub.g (C.sub.h F.sub.2h+1 SO.sub.2).sub.4-g are used.

Подавить ухудшение качества в характеристиках батареи батареи неводного электролита вторичной на высокой температуре и уменьшить количество газа произведенное внутри батарея, как solute образовывая электролит, по крайней мере одно выбрали от группы consist of LiPF.sub.6, LiBF.sub.4, LiSbF.sub.6 и LiAsF.sub.6 также,как по крайней мере одно выбранное от группы consist of LiPF.sub.a (C.sub.b F.sub.2b+1).sub.6-a, LiPF.sub.c (C.sub.d F.sub.2d+1 SO.sub.2).sub.6-c, LiBF.sub.e (C.sub.f F.sub.2f+1).sub.4-e, LiBF.sub.g (C.sub.h F.sub.2h+1 SO.sub.2).sub.4-g использованы.

 
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