Hybrid Capacitor with Enhanced Reliability
AssigneeKemet Electronics Corporation
InventorsAntony P. Chacko, Liancai Ning, Yaru Shi, Qingping Chen
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Abstract
An improved hybrid capacitor is described. The hybrid capacitor comprises an anode with a dielectric thereon and a cathode. An electrolyte is in electrical contact with the cathode and between the cathode and the dielectric. The electrolyte comprises a solid electrolyte coated on the cathode and an impregnating electrolyte wherein the solid electrolyte and the impregnating electrolyte have an intermolecular bond there between.
Claims45
A hybrid capacitor comprising:
- an anode with a dielectric thereon;
- a cathode;
- and
- an electrolyte in electrical contact with said cathode and between said cathode and said dielectric wherein said electrolyte comprises:
- a solid electrolyte coated on said cathode;
- and
- an impregnating electrolyte wherein said solid electrolyte and said impregnating electrolyte have an intermolecular bond there between.
A method of forming a hybrid capacitor comprising:
- forming a dielectric on an anode foil;
- forming a wound electrolytic capacitor comprising alternating layers of said anode foil, a cathode foil and a separator between said anode foil and said cathode foil;
- forming a solid electrolyte layer on said cathode;
- impregnating said solid electrolyte layer with an impregnating electrolyte;
- and
- forming a intermolecular bond between said impregnating electrolyte and said solid electrolyte layer.
43-84. (canceled)
A method of forming a hybrid capacitor comprising:
- forming a dielectric on an anode;
- forming a solid electrolyte layer on said dielectric;
- impregnating said solid electrolyte layer with an impregnating electrolyte forming an impregnated solid electrolyte;
- forming a cathode on said impregnated solid electrolyte;
- and
- forming an intermolecular bond between said impregnating electrolyte and said solid electrolyte layer.
86-129. (canceled)
Dependencies are inferred from the claim text.