Method for making laminated rechargeable battery cells

Details Method for making laminated rechargeable battery cells Method for making laminated rechargeable battery cells

1996-09-18

1998-11-24

Maples, John S.

Metal working

Method of mechanical manufacture

Electrical device making

296235, 156182, 156249, H01M 1000

Patent

active

058400877

ABSTRACT:
Formation of a unitary laminate rechargeable battery comprising electrode and separator/electrolyte elements of polymer composition utilizes apparatus comprising compression rollers of sufficient hardness to resist deformation during laminating contact with such elements. Maximum progressive compression short of lateral deformation of battery elements ensures expulsion of interfacial entrapments and optimum functional contact between laminate elements. Battery structures fabricated with the apparatus may comprise active particulate component ratios in excess of about 75% by weight.

REFERENCES:
patent: 4935317 (1990-06-01), Fauteux et al.
patent: 5100746 (1992-03-01), Muller et al.
patent: 5435054 (1995-07-01), Tonder et al.
patent: 5470357 (1995-11-01), Schmutz et al.

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