Carbon nanotube array bonding
Material compositions are provided that may comprise, for example, a vertically aligned carbon nanotube (VACNT) array, a conductive layer, and a carbon interlayer coupling the VACNT array to the conductive layer. Methods of manufacturing are provided. Such methods may comprise, for example, providing a VACNT array, providing a conductive layer, and bonding the VACNT array to the conductive layer via a carbon interlayer.
1. A material composition, comprising:
a vertically aligned carbon nanotube (VACNT) array;
a conductive layer; and
a carbon interlayer coupling the VACNT array to the conductive layer.
2. The material composition of claim 1 , wherein the carbon interlayer is disposed directly between the VACNT array and the conductive layer to couple them together.
3. The material composition of claim 1 , wherein the carbon interlayer has a thickness of between about 50 nanometers and about 10 millimeters.
4. The material composition of claim 1 , wherein the carbon interlayer comprises a graphitic carbon material.
5. The material composition of claim 1 , wherein the carbon interlayer comprises a polymer material.
6. The material composition of claim 1 , wherein the conductive layer comprises a metal, carbon, or metal-carbon composite having a conductivity greater than about 100 S/m.
7. The material composition of claim 1 , further comprising a battery electrode active material functional layer at least partially coating the VACNT array.
8. The material composition of claim 7 , wherein the battery electrode active material comprises silicon, lithium, a metal oxide, a metal fluoride, carbon, and/or sulfur.
9. The material composition of claim 7 , further comprising a carbon outer layer, a metal-oxide layer, a metal-halide layer, or a combination thereof coating the functional layer.
10. A Li-ion battery comprising at least one electrode formed from the material composition of claim 1 .