Non-aqueous electrolyte secondary battery and negative...

Details Non-aqueous electrolyte secondary battery and negative... Non-aqueous electrolyte secondary battery and negative...

2006-12-19

2006-12-19

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

C429S231800, C429S232000, C429S137000, C429S231100, C429S217000, C429S213000, C429S094000, C429S326000, C429S336000, C429S218100

Reexamination Certificate

active

07150937

ABSTRACT:
A non-aqueous electrolyte battery is provided, which exhibits good high-rate discharge characteristics and low-temperature characteristics and ensures high safety when the negative electrode contains 0.6 to 1.7 parts by weight of a particulate modified styrene-butadiene rubber as a binder and 0.7 to 1.2 parts by weight of a thickening agent so that the total amount of the binder and thickening agent is 1.3 to 2.4 parts by weight per 100 parts by weight of a carbon material as an active material, and the concentration of LiPF6in the non-aqueous electrolyte is 0.6 to 1.05 mole/liter. The surface area of the active material effectively contributable to charging and discharging reaction is sufficient when the surface area of the carbon material per 1 g of the binder contained in the negative electrode is 300 to 600 m2.

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