Polymeric electrode and electrolyte article of manufacture
AssigneeElf Atochem North America, Inc.
InventorsJ. Stevenson Humphrey, Jr., Scott R. Gaboury
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Abstract
An article of manufacture is disclosed comprising an electrochemical cell having a positive electrode, an absorber-separator and a negative electrode wherein at least one of the electrodes or absorber-separator comprises a porous polyvinylidene fluoride. The porous polyvinylidene fluoride electrodes have an electrode material combined therewith, and the porous polyvinylidene fluoride absorber-separator has an electrolyte material combined therewith.
Claims36
An article of manufacture comprising a rechargeable lithium intercalation battery having a positive electrode, and absorber-separator and a negative electrode wherein at least the negative electrode comprises a porous polyvinylidene fluoride copolymer having an electrode material combined therewith, and said absorber-separator comprises a porous polyvinylidene fluoride copolymer having an electrolyte material combined therewith, wherein said porous polyvinylidene fluoride copolymer is a heterogeneous or homogeneous copolymer of vinylidene fluoride and from about 7% to about 25% hexafluoropropylene, tetrafluoroethylene, or mixtures thereof, and wherein said negative electrode comprises carbon Li combined with said porous polyvinylidine fluoride copolymer.
Dependencies are inferred from the claim text.