Process for manufacturing a lithium alloy electrochemical cell

Details Process for manufacturing a lithium alloy electrochemical cell Process for manufacturing a lithium alloy electrochemical cell

1991-02-01

1992-10-13

Lowe, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264104, 264212, B27N 300, C04B 3500, B29D 700

Patent

active

051547848

ABSTRACT:
A process for manufacturing a lithium alloy, metal sulfide cell tape casts slurried alloy powders in an organic solvent containing a dissolved thermoplastic organic binder onto casting surfaces. The organic solvent is then evaporated to produce a flexible tape removable adhering to the casting surface. The tape is densified to increase its green strength and then peeled from the casting surface. The tape is laminated with a separator containing a lithium salt electrolyte and a metal sulfide electrode to form a green cell. The binder is evaporated from the green cell at a temperature lower than the melting temperature of the lithium salt electrolyte. Lithium alloy, metal sulfide and separator powders may be tape cast.

REFERENCES:
patent: 3698923 (1972-10-01), Stetson et al.
patent: 4386019 (1983-05-01), Kaun et al.
patent: 4409168 (1983-10-01), Mrazek et al.
patent: 4657659 (1987-04-01), Mase et al.
Alan Hooper et al. "All-Solid-State Batteries", Journal of Power Sources, 11 (1984), pp. 33-41.

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