国家/地区 中国（3） 世界知识产权组织（2）
IPC部 H（5）
IPC大类 H01（5）
IPC小类 H01M（5）
IPC H01M004/66（3） H01M004/13（2） H01M004/36（2）
H01M004/38（2） H01M010/0525（2）
发明人 CHEN Z（2） CUI H（2） HU Q（2）
JIANG D（2） WANG B（2） XIE Y（2）
ZHANG Y（2）
公开年 2021（4）
申请年 2019（5）
专利权人 NINGDE AMPEREX TECHNOLOGY LTD（5）

Composite current collector, has intermediate layer has first surface and second surface opposite to first surface, first metal layer arranged on first face, second metal layer arranged at second face, and hole provided on inner wall of second surface adjacent to intermediate layer.

HU Q, LI X, WANG B, ZHANG Y

Cathode used in electrochemical device , comprises current collector, and cathode structure layers comprising framework materials having different lithium ion reduction potential, and has preset thickness.

HU Q, ZHANG Y, WEN Q, WANG B

Cathode material useful in cathode for an electrochemical device, preferably lithium ion battery of electronic device, comprises silicon composite substrate including nano silicon grains, silicon oxide or silicon dioxide.

JIANG D, CHEN Z, CUI H, XIE Y

Material for negative electrode for electrochemical device e.g. lithium ion battery, comprises silicon-containing granules containing silicon composite matrix and polymer layer containing carbon material covering portion(s) of matrix.

CHEN Z, JIANG D, CUI H, XIE Y

Performing metal foil treatment process for electrode pole piece of electrochemical device, involves carrying out plasma treatment on the surface of the metal foil, and collecting above-mentioned plasma-treated metal foil into a roll.

LIU X, WANG K, LIU S, ZHANG Q