Capacitor and method for producing a capacitor
First Claim
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1. An electrode for a capacitor comprising:
- a substrate comprising at least one of glassy carbon and a metal;
an activated carbon material adjacent the substrate, the activated carbon layer comprising oxygen-containing functional groups; and
a material provided in contact with the activated carbon material for providing enhanced capacitance for the electrode.
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Abstract
An electrode for a capacitor includes a substrate comprising at least one of glassy carbon and a metal. According to various embodiments, the substrate may be provided as glassy carbon or any of a variety of metals for use in capacitors. The capacitor also includes an activated carbon material adjacent the substrate. The activated carbon layer includes oxygen-containing functional groups. A material is provided in contact with the activated carbon layer for providing enhanced capacitance for the electrode. Various types of capacitance-enhancing materials may be utilized, including carbon nanotubes and conductive metal oxides.
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Citations
47 Claims
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1. An electrode for a capacitor comprising:
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a substrate comprising at least one of glassy carbon and a metal;
an activated carbon material adjacent the substrate, the activated carbon layer comprising oxygen-containing functional groups; and
a material provided in contact with the activated carbon material for providing enhanced capacitance for the electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An electrode for an electrolytic capacitor comprising:
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a substrate comprising at least one of titanium and glassy carbon; and
a carbonaceous layer adjacent the substrate;
wherein the carbonaceous layer includes an activated carbon region and a capacitance-enhancing material provided adjacent the activated carbon region. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. An electrode for a capacitor comprising:
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a substrate comprising at least one of glassy carbon and a metal;
an activated carbon material adjacent the substrate; and
carbon nanotubes provided adjacent the activated carbon material;
whereby the activated carbon material and the carbon nanotubes provide enhanced capacitance for the electrode. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. An electrode for a capacitor comprising:
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a substrate comprising at least one of glassy carbon and a metal;
an activated carbon material adjacent the substrate; and
an electronically conductive metal oxide provided adjacent the activated carbon material;
whereby the activated carbon material and the electronically conductive metal oxide provide enhanced capacitance for the electrode. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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Specification