Direct deposition of graphene on substrate material
In one embodiment, a method comprising causing motion of an enclosed container comprising substrate material and graphite material within the container; and coating surfaces of the substrate material with the graphite material responsive to the motion of the container, the coated surfaces comprising graphene or graphene layers.
1. A method, comprising:
causing motion of an enclosed container comprising substrate material and graphite material within the container; and
coating surfaces of the substrate material with the graphite material responsive to the motion of the container, the coated surfaces comprising graphene or graphene layers,
wherein the container comprises a graphite cylinder and wherein the coating is based on friction between at least the substrate material and the graphite material of an inner surface of the enclosure.
2. The method of claim 1 , wherein the substrate material comprises an electrode material.
3. The method of claim 2 , wherein the electrode material comprises lithium ion based electrode materials.
4. The method of claim 1 , further comprising a member disposed within the container, the member having a surface composed of the graphite material, wherein the coating is further based on friction between the substrate material and the graphite material of the member.
5. The method of claim 4 , wherein the member is hollow.
6. The method of claim 4 , wherein the member is solid.
7. The method of claim 4 , wherein the member comprises a powder.
8. The method of claim 4 , further comprising one or more additional members disposed within the container, the additional members having a surface composed of the graphite material, wherein the coating is further based on friction between the substrate material and the graphite material of the one or more additional members.
9. The method of claim 4 , wherein the member is ball-shaped.
10. A method, comprising:
providing an enclosed container containing substrate material and a hollow member having a surface composed of graphite material;
causing motion of the enclosed container; and
coating surfaces of the substrate material with the graphite material responsive to the motion of the container, the coated surfaces comprising graphene or graphene layers, wherein the coating is based on friction between at least the substrate material and the graphite material of the hollow member.
11. The method of claim 10 , wherein the container comprises an inner surface composed of the graphite material, wherein the coating is further based on friction between the substrate material and the graphite material of the inner surface.
12. The method of claim 10 , wherein the motion of the enclosed container includes shaking movements of the enclosed container.
13. The method of claim 10 , wherein the motion of the enclosed container includes rotational movement of the enclosed container along one or more axes of rotation.
14. The method of claim 10 , wherein the container comprises a cylindrical shape.
15. The method of claim 10 , wherein the container comprises a non-cylindrical geometric shape.
16. The method of claim 10 , wherein the substrate material comprises an electrode material.
17. The method of claim 16 , wherein the electrode material comprises lithium ion based electrode materials.
18. The method of claim 10 , wherein the substrate material is in a form of a film.
19. The method of claim 18 , wherein the film comprises a polymer material.
20. The method of claim 18 , wherein the film comprises a non-polymer material.