Linear-Hyperbranched Polymers as Performance Additives for Solid Electrolytic Capacitors
AssigneeKemet Electronics Corporation
InventorsAntony P. Chacko, Gopakumar Sivasankarapillai, Yaru Shi, Philip M. Lessner
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Abstract
Provided herein is an improved capacitor and a method for forming an improved capacitor. The method includes providing an anode and forming a dielectric on the anode. A linear-hyperbranched polymer is formed and a conductive polymer dispersion is prepared comprising at least one conducting polymer, one polyanion and the linear-hyperbranched polymer. A layer of the conductive polymer dispersion if formed wherein said dielectric is between the anode and the layer.
Claims35
1-34. (canceled)
A capacitor comprising:
- an anode;
- a cathode wherein said cathode comprises a linear-hyperbranched polymer;
- and
- a dielectric between said anode and said cathode.
A capacitor comprising:
- an anode;
- a dielectric coated on the anode;
- and
- a cathode comprising a reaction product of a hydroxyl amine with a reaction product of a diol and an anhydride.
66-124. (canceled)
A dispersion for forming a conductive coating on a surface comprising a conductive polymer and a linear-hyperbranched polymer.
126-156.(canceled)
Dependencies are inferred from the claim text.