HIGH DENSITY CAPACITOR
First Claim
Patent Images
1. An electrochemical capacitor, comprising:
- a cathode;
an anode;
and an electrolyte allowing migration of metal ions between the anode and the cathode;
wherein the electrolyte is a solid state electrolyte; and
at least one of the anode and the cathode has multiple, non discrete oxidation states having a broad, continuous distribution of redox potentials.
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Abstract
A high density capacitor 12, a method of manufacturing it, and applications of it are described. The capacitor 12 is an electrochemical capacitor using a metal ion accepting cathode 22 and a metal ion accepting anode 26 and a amorphous solid electrolyte 24 between. The cathode and anode may be of amorphous lithium ion intercalating material such as suitable transition metal oxides with multiple oxidation states.
21 Citations
17 Claims
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1. An electrochemical capacitor, comprising:
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a cathode; an anode; and an electrolyte allowing migration of metal ions between the anode and the cathode; wherein the electrolyte is a solid state electrolyte; and at least one of the anode and the cathode has multiple, non discrete oxidation states having a broad, continuous distribution of redox potentials. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A solid state electrochemical capacitor arrangement, comprising:
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a substrate; a plurality of semiconductor components; and at least one solid state electrochemical capacitor including; a cathode; an anode; and an electrolyte allowing migration of metal ions between the anode and the cathode; wherein the electrolyte is a solid state electrolyte; and at least one of the anode and the cathode has multiple, non discrete oxidation states having a broad, continuous distribution of redox potentials. - View Dependent Claims (11, 12)
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13. A method of manufacturing an electrochemical capacitor comprising, in this order, the steps of:
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depositing a diffusion barrier layer on a substrate; depositing a cathode; depositing an anode; and depositing an electrolyte allowing migration of metal ions between the anode and the cathode; wherein the electrolyte is a solid state electrolyte for transporting metal ions; and at least one of the anode and cathode is a layer of material having multiple multiple, non discrete oxidation states having a broad, continuous distribution of redox potentials. - View Dependent Claims (14, 15, 16, 17)
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Specification