Electrochemical cells, electrodes and methods of manufacture

Details Electrochemical cells, electrodes and methods of manufacture Electrochemical cells, electrodes and methods of manufacture

1988-06-08

1990-02-20

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

296234, 429217, H01M 610

Patent

active

049025899

ABSTRACT:
An electrode precursor for lithium batteries includes a layer of an electrochemically active particulate material and a binder. The binder is soluble in the cell electrolyte so that the electrolyte extracts the binder from the particulate material after assembly, leaving a particulate layer substantially devoid of binder. Thus, the binder does not significantly decrease electrical conductivity of the layer in the cell and does not impede the ionic access to the layer. The soluble binder may be present in the electrode precursor in an amount sufficient to protect particulate which would otherwise react with the atmosphere.

REFERENCES:
patent: 4391729 (1983-07-01), Liang et al.
patent: 4565751 (1986-01-01), Faust et al.
patent: 4576883 (1986-03-01), Hope et al.
patent: 4594299 (1986-06-01), Cook et al.
patent: 4622277 (1986-11-01), Bedder et al.
patent: 4648177 (1987-03-01), Uba et al.
patent: 4720910 (1988-01-01), Rourke et al.

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