Porous interconnected corrugated carbon-based network (iccn) composite

Patent metadata

Field	Value
Publication number	US-2020203086-A1
Application number	US-202016791517-A
Country	US
Kind code	A1
Filing date	Feb 14, 2020
Priority date	Nov 18, 2014
Publication date	Jun 25, 2020
Grant date	—

Abstract

A porous interconnected corrugated carbon-based network (ICCN) composite and methods for making the same are disclosed. The porous ICCN composite is made up of a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores. Metallic nanoparticles are disposed within the plurality of pores. In one embodiment, a light exposure only based method for producing the porous ICCN composite is disclosed. In another embodiment a light exposure plus an electrodeposition method for producing the porous ICCN composite is disclosed. In yet another exemplary embodiment, a capacitor having a first electrode and a second electrode separated from the first electrode by a dielectric wherein at least one of the first electrode and the second electrode is formed from the porous ICCN composite is disclosed.

First claim

What is claimed is:

1 . A porous interconnected corrugated carbon-based network (ICCN) composite comprising:
a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores; and metallic nanoparticles disposed within the plurality of pores.

2 . The porous ICCN composite of claim 1 wherein an average minor axis diameter of the plurality of pores ranges from about 2 nanometers to about 50 nanometers.

3 . The porous ICCN composite of claim 1 wherein an average minor axis diameter of the plurality of pores ranges from about 50 nanometers to about 500 nanometers.

4 . The porous ICCN composite of claim 1 wherein the metallic nanoparticles have a nanoflower shape.

5 . The porous ICCN composite of claim 1 wherein the metallic nanoparticles are metal particles.

6 . The porous ICCN composite of claim 1 wherein the metallic nanoparticles are metal oxide particles.

7 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of manganese dioxide (MnO 2 ).

8 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of ruthenium dioxide (RuO 2 ).

9 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of cobalt oxide (CO 3 O 4 ).

10 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of nickel oxide (NiO).

11 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of iron oxide (Fe 2 O 3 ).

12 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of copper oxide (CuO).

13 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of molybdenum trioxide (MoO 3 ).

14 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of vanadium pentoxide (V 2 O 5 ).

15 . The porous ICCN composite of claim 6 wherein the metallic nanoparticles are particles of nickel hydroxide (Ni(OH) 2 ).

16 . The porous ICCN composite of claim 1 wherein an electrical conductivity of the plurality of carbon layers is greater than about 0.1 siemens/meter.

17 . The porous ICCN composite of claim 1 wherein the porous ICCN composite has an electrical conductivity that ranges from about 900 siemens/meter to about 1750 siemens/meter.

18 . The porous ICCN composite of claim 1 wherein a total surface area per unit mass of the plurality of carbon layers is at least 1500 square meters per gram.

19 . The porous ICCN composite of claim 1 wherein a percentage of surface area coverage of the metallic nanoparticles onto the plurality of carbon layers ranges from about 10% to about 95%.

20 . The porous ICCN composite of claim 1 wherein the porous ICCN composite provides an energy density that ranges from about 2 Watt-hour/liter to about 41 Watt-hour/liter.

21 . A method of producing porous ICCN composite comprising:
providing a film comprising a mixture of a metallic precursor and a carbon-based oxide; and exposing at least a portion of the film to light to form a porous interconnected corrugated carbon-based network (ICCN) composite comprising:
a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores; and
metallic nanoparticles disposed within the plurality of pores, wherein the light converts the metallic precursor to the metallic nanoparticles.

22 . The method of producing porous ICCN composite of claim 21 wherein providing the film made of the mixture of the metallic precursor and the carbon-based oxide comprises:
providing a solution comprising a liquid, the metallic precursor, and the carbon-based oxide;
disposing the solution with the liquid, the metallic precursor, and the carbon-based oxide onto a substrate; and
evaporating the liquid from the solution to form the film.

23 . The method of producing the porous ICCN composite of claim 21 wherein the carbon-based oxide is graphite oxide.

24 . The method of producing the porous ICCN composite of claim 21 wherein the metallic nanoparticles are particles of ruthenium oxide (RuO 2 ).

25 . The method of producing the porous ICCN composite of claim 21 wherein the metallic nanoparticles are particles of cobalt oxide (Co 3 O 4 ).

26 . The method of producing the porous ICCN composite of claim 21 wherein the metallic nanoparticles are particles of nickel oxide (NiO).

27 . The method of producing the porous ICCN composite of claim 21 wherein the metallic nanoparticles are particles of vanadium pentoxide (V 2 O 5 ).

28 . The method of producing the porous ICCN composite of claim 21 wherein the metallic nanoparticles are particles of iron oxide (Fe 2 O 3 ).

29 . The method of producing the porous ICCN composite of claim 21 wherein the metallic nanoparticles are particles of copper oxide (CuO).

30 . The method of producing the porous ICCN composite of claim 21 wherein the metallic nanoparticles are particles of molybdenum trioxide (MoO 3 ).

31 . The porous ICCN composite of claim 21 wherein an electrical conductivity of the plurality of carbon layers is greater than about 0.1 siemens/meter.

32 . The porous ICCN composite of claim 21 wherein the porous ICCN composite has an electrical conductivity that ranges from about 900 siemens/meter to about 1750 siemens/meter.

33 . A capacitor comprising:
a first electrode; a dielectric; a second electrode separated from the first electrode by the dielectric wherein at least one of the first electrode and the second electrode is formed from a porous interconnected corrugated carbon-based network (ICCN) composite that comprises:
a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores; and
metallic nanoparticles disposed within the plurality of pores.

34 . The porous ICCN composite of claim 33 wherein an average minor axis diameter of the plurality of pores ranges from about 2 nanometers to about 550 nanometers.

35 . The porous ICCN composite of claim 33 wherein an average minor axis diameter of the plurality of pores ranges from about 50 nanometers to about 500 nanometers.

36 . The porous ICCN composite of claim 33 wherein the metallic nanoparticles have a nanoflower shape.

37 . The porous ICCN composite of claim 33 wherein the metallic nanoparticles are metal particles.

38 . The porous ICCN composite of claim 33 wherein the metallic nanoparticles are metal oxide particles.

39 . The porous ICCN composite of claim 38 wherein the metallic nanoparticles are particles of manganese dioxide (MnO 2 ).

40 . The porous ICCN composite of claim 38 wherein the metallic nanoparticles are particles of ruthenium dioxide (RuO 2 ).

41 . The porous ICCN composite of claim 38 wherein the metallic nanoparticles are particles of cobalt oxide (CO 3 O 4 ).

42 . The porous ICCN composite of claim 38 wherein the metallic nanoparticles are particles of nickel oxide (NiO).

43 . The porous ICCN comp

Assignees

• Univ California

Inventors

• El-Kady Maher F
• Kaner Richard B
• Hwang Jee Youn

Classifications

• Y02E60/13

  Energy storage using capacitors · CPC title

• Y02T10/70

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

• H01G11/36 Primary

  Nanostructures, e.g. nanofibres, nanotubes or fullerenes · CPC title

• H01G11/46

  Metal oxides · CPC title

• C01B32/194

  After-treatment · CPC title