Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1997-12-15
1999-11-09
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429129, 429143, 429145, 429147, 429241, 429242, 429243, H01M 218
Patent
active
059811072
ABSTRACT:
To obtain a lithium ion secondary battery having excellent charge and discharge characteristics in which electric connection between active material layers and a separator can be maintained without requiring a strong armor metal case, so that it can be made into thin forms having large energy density. Convex parts and concave parts are formed on at least two surfaces among surfaces of a positive electrode active material layer 7 and a negative electrode active material layer 9 both adjacent to a separator 4 and surfaces of the separator 4 facing both of the active material layers 7, 9, and these three means are bonded and closely adhered by an adhesive resin layer 11 and electrically connected by keeping a lithium ion-containing electrolytic solution in the separator 4 and voids 12 formed by a bonded surface 11a of the convex parts and the concave parts.
REFERENCES:
patent: 5437692 (1995-08-01), Dasgupta et al.
patent: 5456000 (1995-10-01), Gozdz et al.
patent: 5498489 (1996-03-01), Dasgupta et al.
Aihara Shigeru
Hamano Kouji
Inuzuka Takayuki
Murai Michio
Shiota Hisashi
Martin Angela J.
Mitsubishi Denki & Kabushiki Kaisha
Nuzzolillo Maria
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