Particles based electrodes and methods of making same
View Patent ↗A coated electrode is provided for use in energy storage devices. The coated electrode comprises a dry particles that are fibrillized.
1. An electrode, comprising;
a dry blend of dry carbon particles and dry binder particles subjected to shear forces,
wherein the dry binder particles are deposited onto and between the dry carbon particles with a surface energy sufficient to maintain contact and adhesion between the carbon particles to support the dry blend of dry carbon and dry binder particles.
2. The electrode of claim 1 , wherein the blend comprises approximately 50% to 99% activated carbon.
3. The electrode of claim 1 , wherein the blend comprises approximately 0% to 30% conductive carbon.
4. The electrode of claim 1 , wherein the blend comprises approximately 1% to 50% fluoropolymer.
5. The electrode of claim 1 , wherein the blend comprises approximately 50% to 99% carbon, approximately 0% to 30% conductive carbon, and approximately 1% to 50% fluoropolymer.
6. The electrode of claim 1 , wherein the electrode is a capacitor electrode.
7. The electrode of claim 6 , wherein the electrode is a double-layer capacitor electrode.
8. The electrode of claim 1 , wherein the electrode is a battery electrode.
9. The electrode of claim 1 , wherein the electrode is a fuel-cell electrode.
10. The electrode of claim 1 , further comprising a current collector, wherein the binder and carbon particles are in the form of a coated dried slurry, wherein the slurry is coupled to the current collector.
11. The electrode of claim 1 , wherein the dry binder particles are deposited onto and between the dry carbon particles via particle-to-particle collisions.
12. The electrode of claim 11 , wherein the particle-to-particle collisions are introduced in a mill.
13. The electrode of claim 12 , wherein the mill comprises a jet mill.