Lithium ion secondary battery having firmly adherent layers

Details Lithium ion secondary battery having firmly adherent layers Lithium ion secondary battery having firmly adherent layers

1997-12-22

2000-10-24

Weiner, Laura

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

42923195, 429233, 429322, 429126, 429145, 429162, H01M 458

Patent

active

061364711

ABSTRACT:
Positive and negative active material particles 7a and 9a are adhered to the respective current collectors 6 and 8 by means of a binder resin 11 to prepare positive and negative electrodes 3 and 5. The positive and negative electrode active material layers 7 and 9 are adhered to a separator 4 with the binder resin 11 so that the interlaminar strength between each active material layer 7, 9 and the separator 4 may be not lower than that between the active material layer 7, 9 and the respective current collector 10, 9. A lithium ion-containing electrolytic solution is held in voids 12 made in the active material layers 7, 9 and the separator 4 to complete an electrical connection between the electrodes.

REFERENCES:
patent: 5437692 (1995-08-01), Dasgupta et al.
patent: 5512389 (1996-04-01), Dasgupta et al.
patent: 5741609 (1998-04-01), Chen et al.
patent: 5888670 (1999-03-01), Kawakami

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