Graphite-containing electrode and method related thereto
A graphite-containing electrode includes a porous body that has a plurality of first graphite-containing elements and a plurality of second graphite-containing elements intermingled with the first graphite-containing elements. The first graphite-containing elements have a first degree of graphitization and the second graphite-containing elements have a second, different degree of graphitization.
1. A graphite-containing electrode comprising:
a porous body including a plurality of first graphite-containing elements and a plurality of second graphite-containing elements intermingled with the plurality of first graphite-containing elements, the plurality of first graphite-containing elements having a first degree of graphitization and the plurality of second graphite-containing elements having a second, different degree of graphitization, wherein the first degree of graphitization differs from the second degree of graphitization by 25%, wherein the degree of graphitization is an amount of graphite in the graphite-containing elements, wherein one of the plurality of first graphite-containing elements and the plurality of second graphite-containing elements include portions that are amorphous carbon.
2. The graphite-containing electrode as recited in claim 1 , wherein the plurality of first graphite-containing elements and the plurality of second graphite-containing elements are fibers.
3. The graphite-containing electrode as recited in claim 2 , wherein the fibers have a length, and a uniform diameter along the length, and the fibers are elongated with regard to the diameter.
4. The graphite-containing electrode as recited in claim 1 , wherein the plurality of first graphite-containing elements are non-fiber particles and the plurality of second graphite-containing elements are fibers.
5. The graphite-containing electrode as recited in claim 4 , wherein the non-fiber particles have a non-uniform diameter.
6. The graphite-containing electrode as recited in claim 4 , wherein the non-fiber particles are coated onto the surfaces of the fibers.
7. The graphite-containing electrode as recited in claim 4 , wherein the non-fiber particles reside interstitially in voids.
8. The graphite-containing electrode as recited in claim 1 , further comprising a binder holding the plurality of first graphite-containing elements and the plurality of second graphite-containing elements together.
9. The graphite-containing electrode as recited in claim 1 , further comprising oxygen-containing groups on a surface of the porous body.
10. A graphite-containing electrode comprising:
a porous body including a plurality of first graphite-containing elements and a plurality of second graphite-containing elements intermingled with the plurality of first graphite-containing elements, the plurality of first graphite-containing elements having a first degree of graphitization and the plurality of second graphite-containing elements having a second, different degree of graphitization, wherein the first degree of graphitization is 20%, and the second degree of graphitization is 40%, and wherein one of the plurality of first graphite-containing elements and the plurality of second graphite-containing elements include portions that are amorphous carbon.
11. The graphite-containing electrode as recited in claim 10 , wherein the porous body includes, by weight, 20% of the plurality of first graphite-containing elements and 80% of the plurality of second graphite-containing elements.