Polymer-gel lithium ion battery

Details Polymer-gel lithium ion battery Polymer-gel lithium ion battery

2006-03-07

2006-03-07

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S300000, C429S304000, C429S305000, C429S306000, C429S129000, C429S231950, C429S156000, C029S623500, C029S623400

Reexamination Certificate

active

07008722

ABSTRACT:
An embodiment of the invention is a new method of making a polymer lithium ion battery with low cost, high efficiency and excellent quality. The new polymer lithium ion battery comprises four major components, each of which is a composite: an anode, a cathode, a polymer-gel-electrolyte-separator system and a soft packaging laminate. Adherent particles are introduced into the electrolyte and deposited on the surfaces of both separators and electrodes by Chemical Liquid Deposition (CLD) in-situ the battery cell during the battery assembly process. Those adherent particles not only serve as glue to strongly hold both the anode and cathode together with polyolefin separators, but also form a polymer-gelling electrolyte through the Polymer Gel Formation (PGF) process. The fabrication method creates a self-supporting and self-strengthening battery cell and allows a soft coffee bag laminate to be used as packing shell.

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