Conductive composite and capacitor utilizing the same

Patent metadata

Field	Value
Publication number	US-10262808-B2
Application number	US-201615350850-A
Country	US
Kind code	B2
Filing date	Nov 14, 2016
Priority date	Dec 24, 2015
Publication date	Apr 16, 2019
Grant date	Apr 16, 2019

Abstract

A conductive composite is provided, which includes a conductive conjugated polymer and a mixture. The mixture includes (a) boron oxide, and (b) sulfur-containing compound, nitrogen-containing compound, or a combination thereof. A capacitor is also provided, which includes an anode electrode, a dielectric layer on the anode electrode, a cathode electrode, and an electrolyte between the dielectric layer and the cathode electrode, wherein the electrolyte includes the described conductive composite.

First claim

What is claimed is:

1. A conductive composite, comprising:
a conductive conjugated polymer; and
a mixture, wherein the mixture comprises (a) boron oxide and (b) sulfur-containing compound, nitrogen-containing compound, or a combination thereof.

2. The conductive composite as claimed in claim 1 , wherein the conductive conjugated polymer comprises polythiophene, polypyrrole, poly(p-phenylene vinylene), polyphenylene sulfide, polyaniline, a copolymer thereof, or a blend thereof.

3. The conductive composite as claimed in claim 1 , wherein the sulfur-containing compound comprises sulfone, thiophene, thiol, or a combination thereof.

4. The conductive composite as claimed in claim 3 , wherein the sulfone comprises sulfolane, dimethyl sulfoxide, or a combination thereof.

5. The conductive composite as claimed in claim 3 , wherein the thiophene comprises 3,4-dimethoxy-thiophene.

6. The conductive composite as claimed in claim 1 , wherein the nitrogen-containing compound comprises amide, imide, urethane, imidazole compound, triazole, pyridine compound, pyrrolidone, urea, or a combination thereof.

7. The conductive composite as claimed in claim 6 , wherein the amide comprises formamide, acetamide, caprolactam, or a combination thereof.

8. The conductive composite as claimed in claim 6 , wherein the imide comprises succinimide.

9. The conductive composite as claimed in claim 6 , wherein the urethane comprises ethyl urethane, N,N′-dimethyl urethane, tetramethylurea, or a combination thereof.

10. The conductive composite as claimed in claim 6 , wherein the imidazole compound comprises imidazole, 1-methylimidazole, 2-methylimidazole, or a combination thereof.

11. The conductive composite as claimed in claim 1 , wherein the mixture further comprises (c) solvent, wherein the solvent comprises ester, carbonate, ether, ketone, alcohol, or a combination thereof.

12. A capacitor, comprising:
an anode electrode;
a dielectric layer on the anode electrode;
a cathode electrode; and
an electrolyte disposed between the dielectric layer and the cathode electrode,
wherein the electrolyte comprises the conductive composite as claimed in claim 1 .

13. The capacitor as claimed in claim 12 , wherein the anode electrode comprises aluminum, tantalum, niobium, titanium, zirconium, or an alloy thereof.

14. The capacitor as claimed in claim 12 , wherein the dielectric layer comprises an oxide of the anode electrode.

Assignees

• Ind Tech Res Inst

Inventors

• Du Yi-Chang
• Tsai Li-Duan

Classifications

• H01G9/025

  Solid electrolytes (H01G11/54 takes precedence) · CPC title

• H01G9/032

  Inorganic semiconducting electrolytes, e.g. MnO2 · CPC title

• H01G9/045

  based on aluminium · CPC title

• H01G2009/05

  consisting of tantalum, niobium, or sintered material; Combinations of such electrodes with solid semiconductive electrolytes, e.g. manganese dioxide · CPC title

• H01G9/0036

  Formation of the solid electrolyte layer · CPC title