Process for filling electrochemical cells with electrolyte

Details Process for filling electrochemical cells with electrolyte Process for filling electrochemical cells with electrolyte

1997-06-20

1999-02-02

Gorgos, Kathryn

Metal working

Method of mechanical manufacture

Electrical device making

429 80, 347 5, H01M 600

Patent

active

058658602

ABSTRACT:
A process for manufacturing an electrochemical cell comprising the steps of providing an electrode and applying electrolyte to the electrode using an ink-jet printer. In the preferred embodiment of the present invention, an ink-jet printing process is utilized to print the electrolyte onto the surface of the electrodes and separators or the electrode/separator bilayers. The ink-jet printing accurately meters and uniformly distributes the electrolyte throughout the pore structure of the separator and the electrode without contaminating the cell gasket. Preferably, a drop-on-demand ink-jet printing head is used to facilitate the electrolyte printing process. The ink-jet printing head is electronically pulsed to form and eject the electrolyte droplets from a nozzle of printing-head. The volume and the distribution of each electrolyte droplet are accurately determined and controlled by varying the pulse width and the pulse frequency of the printing head.

REFERENCES:
patent: 3953566 (1976-04-01), Gore
patent: 3962153 (1976-06-01), Gore
patent: 4096227 (1978-06-01), Gore
patent: 4428813 (1984-01-01), Stanier
patent: 4781893 (1988-11-01), Dickakian
patent: 4849457 (1989-07-01), Ichii et al.
patent: 5082516 (1992-01-01), Akao et al.
patent: 5542972 (1996-08-01), Von der Eltz et al.
patent: 5741607 (1998-04-01), Gilmour
"Ink Jet Printing", pp. 60, 73-82 (Author and Publication Unkown) No Date Available.

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