Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer – spacer or materials for use therewith
Patent
1994-09-28
1996-11-05
Bell, Bruce F.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer, spacer or materials for use therewith
429194, 429218, 296231, 296235, H01M 216
Patent
active
055716385
ABSTRACT:
Provided is a lithium secondary battery excellent in initial charge/discharge characteristics and high in capacity comprising lithium-rechargeable cathode and anode and a nonaqueous electrolyte, wherein at least one of the cathode and the anode contains one of the following (A), (B) and (C):
(A) a composite material comprising a carbon powder and a binder, which is treated with a silane coupling agent,
(B) a composite material comprising a binder and a mixed carbon powder containing 70-99% by weight of a graphite powder and 30-1% by weight of a pseudo-graphitic carbon black, and
(C) a composite material comprising a composite oxide powder of lithium and a transition metal, a conductive powder and a binder, which is treated with a silane coupling agent.
REFERENCES:
patent: 4416915 (1983-11-01), Palmer et al.
patent: 5300375 (1994-04-01), Chaloner-Gill
patent: 5437943 (1995-08-01), Fujii et al.
Patent Abstracts of Japan, vol. 16, No. 505 (E-1281) 19 Oct. 1992 & JP-A-04 188 560 (Matsushita).
Chemical Abstracts, vol. 113, No. 10, 3 Sep. 1990, Columbus, OH US; Abstract No. 82174, Goto, Fumio et al, "Composite Cathodes for Secondary Lithium Batteries and their Manufacture" & JP-A-2 075 158.
Patent Abstracts of Japan, vol. 15, No. 408 (E-1123) 17 Oct. 1991 & JP-A-03 167 766 (Showa Denko).
Deguchi Toshihisa
Furukawa Yasuhito
Satoh Tomoari
Tateno Tatsuo
Bell Bruce F.
Sumitomo Chemical Company Limited
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