Process for the preparation of a current collector in contact with the cathode material
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United States of America Patent
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Aug 25, 1998
Grant Date -
N/A
app pub date -
Jul 15, 1996
filing date -
Jul 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Process for the preparation of a current collector in contact with the cathode material in light rechargeable solid state batteries, characterized by the fact that it includes the deposition on a nickel layer having a rugosity R.sub.a from 1 to 3 microns of a cathode paste comprising 1) a powder of active cathode material; 2) an electronic conductor; 3) a polymeric composition comprising: 3a) a polymer deriving from the polymerization of a mixture of a vinyl ether and a divinyl ether; 3b) lithium salts, selected from LiBF.sub.4 alone or in a mixture with other salts; 3c) optionally, a plasticizer selected from dipolar aprotic solvents and polyethers with a low molecular weight and their relevant mixtures.
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