Electrodes for electrochemical cells and method of making same
First Claim
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1. An electrode for an electrochemical energy storage device comprising:
- a current collecting substrate;
a layer of a conductive ink disposed on at least one major surface of said current collecting substrate, said conductive ink including a transference medium and a conducting medium; and
a layer of powdered electrode active material impregnated into the layer of conductive ink.
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Abstract
An electrochemical cell is provided with a first and second electrode assemblies (10) (11), and an electrolyte (15) disposed therebetween. The electrodes may either be of the same or different materials and may be fabricated from ruthenium, iridium, cobalt, tungsten, vanadium, iron, molybdenum, nickel, silver, zinc, and combinations thereof. The electrode assemblies are fabricated by depositing a layer (16) of a conductive ink adhesive on a surface of a current collecting substrate (12). Thereafter, a layer of powdered active material (18) is impregnated onto the surface of the conductive ink layer.
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Citations
20 Claims
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1. An electrode for an electrochemical energy storage device comprising:
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a current collecting substrate; a layer of a conductive ink disposed on at least one major surface of said current collecting substrate, said conductive ink including a transference medium and a conducting medium; and a layer of powdered electrode active material impregnated into the layer of conductive ink. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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11. A method of fabricating an electrode for an electrochemical cell, said method comprising the steps of:
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providing a current collecting substrate; depositing a layer of a conductive ink on said current collecting substrate, said conductive ink including a transference medium and a conducting medium; and impregnating said layer of conductive ink with a powdered electrode active material.
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Specification