Method of making a laminated lithium-ion rechargeable battery cell
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United States of America Patent
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Nov 28, 1995
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N/A
app pub date -
Apr 26, 1995
filing date -
Mar 5, 1993
priority date (Note) -
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Abstract
Li-ion rechargeable battery cell electrode and electrolyte/separator elements formulated as layers of plasticized polymeric matrix compositions are laminated with electrically conductive collector elements to form a unitary battery cell structure. Adhesion between the electrode and collector elements is enhanced by pretreatment of the collector elements in which a 0.25% to 3.0% solution of a polymeric material compatible with said matrix polymer is applied to a collector foil or grid and dried to form a coated film, and the resulting coated collector element is heated within the range of about 250.degree. to 450.degree. C. for about 5 to 60 seconds.
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