Patent ID: 11923530
Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 11:
12. The electrochemical device according to claim 11, wherein the first cathode active material layer and the second cathode active material layer each independently further comprise a conductive agent; wherein each binder is selected from the group consisting of polyvinylidene fluoride, copolymers of vinylidene fluoride and hexafluoropropylene, polyamides, polyacrylonitrile, polyacrylate ester, polyacrylic acids, polyacrylate salt, sodium carboxymethylcellulose, polyvinylpyrrolidone, polyvinylether, polymethylmethacrylate, polytetrafluoroethylene, polyhexafluoropropylene, styrene butadiene rubber, and combinations thereof; and
each conductive agent is selected from the group consisting of carbon nanotubes, conductive carbon black, graphene, carbon fiber, and combinations thereof.