Patent ID: 11970400
Assignee: PLASMA APP LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  H  Y | IPC C  H

Claim 7:
8. A method of making an electrode for an electrochemical cell, the method comprising: exposing a substrate to a flux of at least 1011 carbon ions per cm2 of substrate per 1 ms while the substrate is at a temperature of less than 60° C., a majority of the carbon ions having a kinetic energy of at least 10 eV to provide a carbon material comprising sp2 and sp3 hybridized carbon having a hierarchical porosity to provide a specific lithium storage capacity of at least 400 mAh/g, the percentage of sp2 type carbon being at least 25 w % based on the total weight of the material, the percentage of sp3 type carbon being at least 20 w % based on the total weight of the carbon material, the carbon material comprising at least one area with a plurality of regularly arranged, graphene-like layers of carbon and the at least one area is embedded in amorphous carbon.