CAPACITOR UNIT WITH HIGH-ENERGY STORAGE

• US 20160240327A1
• Filed: 06/29/2015
• Published: 08/18/2016
• Est. Priority Date: 02/17/2015
• Status: Abandoned Application

• Current Assignee: Apaq Technology Co., Ltd.
• Original Assignee: Apaq Technology Co., Ltd.
• Inventors: LIN, CHING-FENG, CHEN, MING-TSUNG, CHIU, CHI-HAO, SUNG, CHAI-CHING
• Application Number:
  US14/753,202
• Publication Number:
  US 20160240327A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H01G 11/28 arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives
• CPC Class Codes: H01G 11/46 Metal oxides
• CPC Class Codes: H01G 11/56 Solid electrolytes, e.g. gels; Additives therein
• CPC Class Codes: H01G 11/68 characterised by their material
• CPC Class Codes: H01G 11/70 characterised by their structure
• CPC Class Codes: Y02E 60/13 Energy storage using capacitors

Abstract

The present invention provides a capacitor unit with high-energy storage which includes an electrolyte, a positive electrode, and a negative electrode. The electrolyte includes an electrically conductive polymer composition. The positive and negative electrodes are arranged in the electrolyte. The positive electrode includes a substrate and a transition metal oxide layer formed on the substrate, resulting in the highest possible capacitance density.

Claims

1. A capacitor unit with high-energy storage:

an electrolyte;

a positive electrode arranged in the electrolyte, having a substrate and a transition metal oxide layer formed on the substrate; and

a negative electrode arranged in the electrolyte corresponding to the positive electrode.

2. The capacitor unit with high-energy storage according to claim 1, wherein the substrate is a porous metal substrate.

3. The capacitor unit with high-energy storage according to claim 2, wherein the porous metal substrate is an aluminum foam structure, a nickel foam structure, or a titanium foam structure.

4. The capacitor unit with high-energy storage according to claim 1, wherein the transition metal oxide layer is made from manganese oxide (MnO₂), nickel oxide (NiO), cobalt oxide (Co₃O₄), vanadium oxide (V₂O₅), iridium oxide (IrO₂), or rubidium oxide (RuO₂).

5. The capacitor unit with high-energy storage according to claim 1, the electrolyte is a gel electrolyte.

6. The capacitor unit with high-energy storage according to claim 5, wherein the gel electrolyte comprises an electrically conductive polymer composition.

7. The capacitor unit with high-energy storage according to claim 6, wherein the electrically conductive polymer composition comprises at least one inherently conductive polymer or copolymer selected from polypyrroles, polythiophenes, polyacetylenes, polyphenylenes, polystyrenes, polyanilines, polyacenes, polythienylenevinylenes, and their derivatives.

8. The capacitor unit with high-energy storage according to claim 7, wherein the electrically conductive polymer composition comprises an organic salt, a polyanion, ceramic particles, or the combination thereof.

9. The capacitor unit with high-energy storage according to claim 1, wherein the electrolyte is a water-soluble electrolyte.

10. The capacitor unit with high-energy storage according to claim 9, wherein the water-soluble electrolyte comprises an electrically conductive polymer composition.

11. The capacitor unit with high-energy storage according to claim 10, wherein the electrically conductive polymer composition comprises at least one inherently conductive polymer or copolymer selected from polypyrroles, polythiophenes, polyacetylenes, polyphenylenes, polystyrenes, polyanilines, polyacenes, polythienylenevinylenes, and their derivatives.

12. The capacitor unit with high-energy storage according to claim 11, wherein the electrically conductive polymer composition comprises an organic salt, a polyanion, ceramic particles, or the combination thereof.

13. The capacitor unit with high-energy storage according to claim 1, further comprising two collectors spaced apart from each other, each of which is a porous metal body, and the positive electrode and the negative electrode are arranged on the surfaces of the two collectors respectively.

14. The capacitor unit with high-energy storage according to claim 13, further comprising a separator arranged between the positive electrode and the negative electrode.

15. A capacitor unit with high-energy storage:

an electrolyte;

a positive electrode arranged in the electrolyte and made of a mixture of a porous carbon material and a nano-scaled transition metal oxide material; and

a negative electrode arranged in the electrolyte corresponding to the positive electrode.

16. The capacitor unit with high-energy storage according to claim 15, wherein the porous carbon material is made from graphene, carbon nanotubes, carbon nanofibers, or carbon nanocapsules.

17. The capacitor unit with high-energy storage according to claim 15, wherein the transition metal oxide material is made from manganese oxide (MnO₂), nickel oxide (NiO), cobalt oxide (Co₃O₄), vanadium oxide (V₂O₅), iridium oxide (IrO₂), or rubidium oxide (RuO₂).

18. The capacitor unit with high-energy storage according to claim 15, wherein the electrolyte is a gel electrolyte.

19. The capacitor unit with high-energy storage according to claim 18, wherein the gel electrolyte comprises an electrically conductive polymer composition.

20. The capacitor unit with high-energy storage according to claim 19, wherein the electrically conductive polymer composition comprises at least one inherently conductive polymer or copolymer selected from polypyrroles, polythiophenes, polyacetylenes, polyphenylenes, polystyrenes, polyanilines, polyacenes, polythienylenevinylenes, and their derivatives.

21. The capacitor unit with high-energy storage according to claim 20, wherein the electrically conductive polymer composition comprises an organic salt, a polyanion, ceramic particles, or the combination thereof.

22. The capacitor unit with high-energy storage according to claim 15, wherein the electrolyte is a water-soluble electrolyte.

23. The capacitor unit with high-energy storage according to claim 22, wherein the water-soluble electrolyte comprises an electrically conductive polymer composition.

24. The capacitor unit with high-energy storage according to claim 23, wherein the electrically conductive polymer composition comprises at least one inherently conductive polymer or copolymer selected from polypyrroles, polythiophenes, polyacetylenes, polyphenylenes, polystyrenes, polyanilines, polyacenes, polythienylenevinylenes, and their derivatives.

25. The capacitor unit with high-energy storage according to claim 24, wherein the electrically conductive polymer composition comprises an organic salt, a polyanion, ceramic particles, or the combination thereof.

26. The capacitor unit with high-energy storage according to claim 15, further comprising two collectors spaced apart from each other, each of which is a porous metal body, and the positive electrode and the negative electrode are arranged on the surfaces of the two collectors respectively.

27. The capacitor unit with high-energy storage according to claim 26, further comprising a separator arranged between the positive electrode and the negative electrode.