Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1996-12-10
1997-09-09
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429218, H01M 614
Patent
active
056654910
ABSTRACT:
A nonaqueous secondary battery is disclosed, comprising a positive electrode sheet having on a current collector an electrode material mixture layer containing a lithium-containing transition metal oxide as a positive electrode active material, a negative electrode sheet having on a current collector an electrode material mixture layer containing a negative electrode material capable of intercalating and deintercalating lithium, and a nonaqueous electrolyte containing a lithium salt, wherein in at least one of said positive electrode sheet and said negative electrode sheet, in the case of the positive sheet, a layer containing no positive electrode active material is provided between plural electrode material mixture layers containing the positve electrode active material or between the electrode material mixture layer and the current collector; and in the case of the negative electrode sheet, a layer containing no negative electrode material capable of intercalating and deintercalating lithium is provided between plural electrode material mixture layers containing the negative electrode material or between the electrode material mixture layer and the current collector.
REFERENCES:
patent: 4828834 (1989-05-01), Nagaura et al.
patent: 5240794 (1993-08-01), Thackeray et al.
patent: 5296319 (1994-03-01), Bito et al.
Kabutomori Masuo
Tomiyama Hideki
Fuji Photo Film Co. , Ltd.
Skapars Anthony
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