Patent ID: 11898257
Assignee: NANOFILM TECHNOLOGIES INTERNATIONAL LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 17:
18. A method of coating an electrode for use in electrochemical applications with a carbon-containing coating, the method comprising:
d) depositing a first sub-layer comprising a-C and having a sp2 content of 65-90% and a sp3 content of 10-35%,
e) depositing a second sub-layer comprising a-C and having a sp2 content of 45-80% and a sp3 content of 20-55%, and
f) repeating the steps above to deposit at least 10 first sub-layers alternating with 10 second sub-layers,
wherein the sp2 content of the first sub-layers is at least 3% greater than the sp2 content of the second sub-layers, and
wherein the sub-layers each have thicknesses in the range 0.3 to 5 nm.