Nanofiber surface based capacitors
View Patent ↗This invention provides novel capacitors comprising nanofiber enhanced surface area substrates and structures comprising such capacitors, as well as methods and uses for such capacitors.
1. A device comprising first and second opposing electrodes and a dielectric layer disposed between the first and second electrodes, wherein the dielectric layer comprises a plurality of nanofibers disposed within a dielectric material, wherein the nanofibers comprise a core and one or more coatings disposed about the core.
2. The device of claim 1 , wherein the one or more coatings comprise a nitride or a carbide.
3. The device of claim 1 , wherein the core of the plurality of nanofibers comprises silicon or a silicon containing compound.
4. The device of claim 1 , wherein the core of the plurality of nanofibers comprises ZnO, Si or SiO 2 .
5. The device of claim 1 , wherein the dielectric material comprises a nonconductive material.
6. The device of claim 1 , wherein the dielectric material comprises an oxide, a nitride, a polymer, a ceramic, a resin, a porcelain, a mica containing material, a glass, a rare earth oxide, or a gas.
7. The device of claim 1 , wherein the dielectric material comprises an oxide layer.
8. The device of claim 1 , wherein the dielectric material comprises a naturally occurring oxide layer.
9. The device of claim 1 , wherein the dielectric material comprises silicon oxide.
10. The device of claim 9 , wherein the core of the plurality of nanowires comprise a silicon or silicon containing compound.
11. The device of claim 2 or 10 , wherein the one or more coatings includes a nitride material comprising AlN, GaN, SiN or BN.
12. The device of claim 2 or 10 , wherein the one or more coatings includes a carbide material comprising SiC, TiC, Tungsten carbide or boron carbide.
13. The device of claim 1 , wherein the plurality of nanofibers comprise a plurality of nanowires.
14. The device of claim 1 , wherein the plurality of nanofibers are grown on a surface of at least one of said first and second electrodes.
15. The device of claim 14 , wherein the plurality of nanofibers are grown by a VLS growth process.
16. The device of claim 1 , wherein the plurality of nanofibers are deposited on a surface of at least one of said first and second electrodes.