Carbonaceous structure and method for preparing the same, electrode material and catalyst including the carbonaceous structure, and energy storage device including the electrode material

Patent metadata

Field	Value
Publication number	US-10693139-B2
Application number	US-201715720209-A
Country	US
Kind code	B2
Filing date	Sep 29, 2017
Priority date	Aug 12, 2016
Publication date	Jun 23, 2020
Grant date	Jun 23, 2020

Abstract

The present disclosure relates to a carbonaceous structure and a method for preparing the same, an electrode material and a catalyst including the carbonaceous structure, and an energy storage device including the electrode material.

First claim

We claim:

1. A carbonaceous structure, comprising one or more hollow internal compartments,
wherein each of the hollow internal compartments is connected through to outside and to the one or more hollow internal compartments adjacent thereto through one or more open porous channels formed in the carbonaceous structure, and
the carbonaceous structure includes a carbonaceous matrix.

2. The carbonaceous structure of claim 1 ,
wherein the carbonaceous matrix further includes an element of Group 15 of the Periodic Table.

3. The carbonaceous structure of claim 1 , further comprising:
one or more particles encapsulated by each of the hollow internal compartments.

4. The carbonaceous structure of claim 3 ,
wherein a size of the particles encapsulated by each of the hollow internal compartments is from an atom size level to 1 μm or less.

5. The carbonaceous structure of claim 3 ,
wherein the particles are semiconductive or conductive.

6. The carbonaceous structure of claim 3 ,
wherein the particles include one or more elements selected from the group consisting of Si, Fe, Ni, Co, Al, Ge, Sn, Mn, Ti, V, Cu, Zn, W, Ag, Pt, Ga, P, Au, Sb, Te, Pb, Bi, Cd, and S.

7. The carbonaceous structure of claim 1 ,
wherein a size of the hollow internal compartments is 100 μm or less.

8. The carbonaceous structure of claim 1 ,
wherein the one or more open porous channels have mesoporosity.

9. The carbonaceous structure of claim 2 ,
wherein a content of the element of Group 15 of the Periodic Table included in the carbonaceous matrix is 50 weight parts or less with respect to 100 weight parts of the carbonaceous structure.

10. The carbonaceous structure of claim 1 ,
wherein the carbonaceous structure has a specific surface area in a range of from 10 m 2 g −1 to 4,000 m 2 g −1 .

11. An electrode material, comprising a carbonaceous structure of claim 1 ,
wherein the carbonaceous structure including one or more hollow internal compartments,
wherein each of the hollow internal compartments is connected through to outside and to the one or more hollow internal compartments adjacent thereto through one or more open porous channels formed in the carbonaceous structure, and
the carbonaceous structure includes a carbonaceous matrix.

12. The electrode material of claim 11 ,
wherein the carbonaceous matrix further includes an element of Group 15 of the Periodic Table.

13. The electrode material of claim 11 ,
wherein the carbonaceous structure further includes one or more particles encapsulated by each of the hollow internal compartments.

14. The electrode material of claim 13 ,
wherein the particles are semiconductive or conductive.

15. The electrode material of claim 13 ,
wherein the particles include one or more elements selected from the group consisting of Si, Fe, Ni, Co, Al, Ge, Sn, Mn, Ti, V, Cu, Zn, W, Ag, Pt, Ga, P, Au, Sb, Te, Pb, Bi, Cd, and S.

16. An energy storage device, comprising:
an electrode material according to claim 11 ,
wherein the electrode material includes a carbonaceous structure including one or more hollow internal compartments,
each of the hollow internal compartments is connected through to outside and to the one or more hollow internal compartments adjacent thereto through one or more open porous channels formed in the carbonaceous structure, and
the carbonaceous structure includes a carbonaceous matrix.

17. The energy storage device of claim 16 ,
wherein the electrode material is used as an anode and/or a cathode.

18. The energy storage device of claim 16 ,
wherein the carbonaceous matrix further includes an element of Group 15 of the Periodic Table.

19. The energy storage device of claim 18 ,
wherein the electrode material is used as a cathode.

20. The energy storage device of claim 16 ,
wherein the carbonaceous structure included in the electrode material further includes one or more particles encapsulated by each of the hollow internal compartments.

21. The energy storage device of claim 20 ,
wherein the particles are semiconductive or conductive.

22. The energy storage device of claim 20 ,
wherein the particles include one or more elements selected from the group consisting of Si, Fe, Ni, Co, Al, Ge, Sn, Mn, Ti, V, Cu, Zn, W, Ag, Pt, Ga, P, Au, Sb, Te, Pb, Bi, Cd, and S.

23. The energy storage device of claim 20 ,
wherein the electrode material including the one or more particles including one or more elements selected from the group consisting of Si, Fe, Ni, Co, Al, Ge, Sn, Mn, Ti, V, Cu, Zn, W, Ag, Pt, Ga, P, Au, Sb, Te, Pb, Bi, and Cd is used as an anode.

24. The energy storage device of claim 20 ,
wherein the electrode material including the one or more particles includes S, and is used as a cathode.

25. The energy storage device of claim 16 ,
wherein the energy storage device is a battery, a capacitor, or a battery-capacitor hybrid.

26. The energy storage device of claim 16 ,
wherein the energy storage device is a lithium ion battery, a sodium ion battery, a lithium air battery, a sodium air battery, a lithium metal battery, a sodium metal battery, a lithium ion hybrid capacitor, or a sodium ion hybrid capacitor.

27. A method for preparing a carbonaceous structure of claim 1 , comprising:
injecting a solution containing a carbon precursor and a soft template to a hard template, and then carbonizing the carbon precursor and removing the soft template and the hard template to obtain a carbonaceous structure including one or more hollow internal compartments,
wherein the carbonaceous structure includes a carbonaceous matrix formed by the carbonization of the carbon precursor, and
each of the hollow internal compartments is connected through to outside and to the one or more hollow internal compartments adjacent thereto through one or more open porous channels which are formed in the carbonaceous structure by the removal of the soft template.

28. The method of claim 27 ,
wherein the carbon precursor further includes an element of Group 15 of the Periodic Table besides carbon element.

29. The method of claim 27 , further comprising:
encapsulating one or more particles in each of the one or more hollow internal compartments of the obtained carbonaceous structure.

30. The method of claim 27
wherein the hard template includes a porous membrane template.

31. The method of claim 28 ,
wherein the carbon precursor includes a nitrogen-containing resin or a nitrogen-containing polymer.

32. The method of claim 27 ,
wherein the soft template includes one or more members selected from the group consisting of a surfactant, sulfur, water, and an oil.

33. The method of claim 27 ,
wherein a size of each of the hollow internal compartments is 100 μm or less.

34. The method of claim 27 ,
wherein the open porous channels have mesoporosity.

35. The method of claim 27 ,
wherein the carbonaceous structure has a shape of a spherical particle, an ellipse particle, a polyhedron, a nanotube, a nanorod, a nanobelt, a nanopillar, a nanosphere or a nanoplate.

36. A catalyst, comprising a carbonaceous structure according to claim 1 :
wherein the carbonaceous structure includes one or more hollow internal compartments, and

Assignees

• Korea Advanced Inst Sci & Tech

Inventors

• KANG Jeungku
• Won Jong Ho
• JEONG Hyungmo

Classifications

• Y02E60/50

  Fuel cells · CPC title

• Y02E60/10

  Energy storage using batteries · CPC title

• Y02T10/70

  Energy storage systems for electromobility, e.g. batteries · CPC title

• D01D5/247 Primary

  Discontinuous hollow structure or microporous structure · CPC title

• D01F11/127

  Metals (metal depositing by electrolysis D01F11/16; metal alloys with reinforcing carbon fibres C22C49/14) · CPC title