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US 9,793,058 B2Granted
Capacitor with charge time reducing additives and work function modifiers
AssigneeKemet Electronics Corporation
InventorsAntony P. Chacko, Yaru Shi, Robert Ramsbottom, John T. Kinard, John Joseph Ols
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Abstract
A capacitor, and method for making the capacitor, is provided with improved charging characteristics. The capacitor has an anode, a cathode comprising a conductive polymer layer and a work function modifier layer adjacent the conductive polymer layer and a dielectric layer between the anode and the cathode.
Claims35
A capacitor comprising:
- an anode;
- a cathode comprising:
- a conductive polymer layer;
- and
- a work function modifier layer adjacent said conductive polymer layer wherein said work function modifier layer is between said conductive polymer layer and an adjacent conductive polymer layer;
- and
- a dielectric layer between said anode and said cathode.
4 more elements
A capacitor comprising:
- an anode;
- a cathode comprising:
- a conductive polymer layer;
- and
- a work function modifier layer adjacent said conductive polymer layer;
- and
- a dielectric layer between said anode and said cathode;
- wherein said work function modifier layer comprises a work function modifier capable of reducing a work function of said conductive polymer layer;
- and
- wherein said work function modifier has a particle size of at least 10 nm to no more than 100 nm.
7 more elements
A capacitor comprising:
- an anode;
- a cathode comprising:
- a conductive polymer layer;
- a work function modifier layer adjacent said conductive polymer layer;
- and
- a dielectric layer between said anode and said cathode;
- wherein said work function modifier layer comprises a work function modifier capable of reducing a work function of said conductive polymer layer;
- and
- wherein said work function modifier is an organometallic compound and the organometallic compound is an organotitanate.
6 more elements
A capacitor comprising:
- an anode;
- a cathode comprising:
- a conductive polymer layer;
- and
- a work function modifier layer adjacent said conductive polymer layer;
- and
- a dielectric layer between said anode and said cathode wherein said work function modifier layer comprises a work function modifier capable of reducing a work function of said conductive polymer layer;
- and
- where said work function modifier is an organic compound with reactive functional groups.
6 more elements
A capacitor comprising:
- an anode;
- a cathode comprising:
- a conductive polymer layer;
- and
- a work function modifier layer adjacent said conductive polymer layer;
- and
- a dielectric layer between said anode and said cathode wherein said work function modifier layer comprises a work function modifier capable of reducing a work function of said conductive polymer layer;
- and
- wherein said work function modifier is a polycationic compound.
6 more elements
A capacitor comprising:
- an anode;
- a cathode comprising:
- a conductive polymer layer;
- and
- a work function modifier layer adjacent said conductive polymer layer;
- and
- a dielectric layer between said anode and said cathode wherein said work function modifier layer comprises a work function modifier capable of reducing a work function of said conductive polymer layer and wherein said work function modifier is an ionic liquid from the group consisting of:
- 1-ethyl-3-methylimidazolium tetrafluoroborate and derivatives thereof.
5 more elements
A capacitor comprising:
- an anode;
- a cathode comprising:
- a conductive polymer layer;
- and
- a work function modifier layer adjacent said conductive polymer layer;
- and
- a dielectric layer between said anode and said cathode wherein said work function modifier is incorporated in a nanogel.
4 more elements
Dependencies are inferred from the claim text.