国家/地区 中国（6）
IPC部 H（6）
IPC大类 H01（6）
IPC小类 H01M（5）
IPC H01M010/0525（5） H01M004/62（4） H01M004/58（3）
H01M004/04（2） H01M004/133（2） H01M004/1393（2）
H01M004/36（2）
发明人 LIU F（2） YUAN D（2）
公开年 2023（6）
申请年 2023（5） 
专利权人 EVE POWER CO LTD（6）

Preparing graphene-coated lithium manganese iron phosphate useful in lithium ion battery, comprises e.g. mixing precursor, lithium source and phosphorus source to obtain mixture, calcining mixture, introducing into carbon source gas after heat preservation stage ends, and continually insulating.

XU C

Electrode material for battery, comprises lithium-manganese-fluoro-metal phosphate-based crystal having preset crystal direction and thickness.

LIU J, HE W, ZENG H, HU Q, XU X

Method for preparing lithium-ion battery for e.g. electronic device, involves soaking negative electrode in naphthalene lithium solution, leaching to obtain negative electrode sheet, assembling negative electrode sheet, positive electrode sheet and membrane, and injecting liquid.

YUAN D, LIU F, SUN W, ZHU J, SHENG S

Cathode pole piece useful for battery comprises current collector whose surface is covered with cathode active material layer, where cathode active material layer is composed of cathode active material, tin and bismuth and sintered carbon.

LIU Z, WEI H, WANG K, YI J, ZHU W

Lithium-ion battery has diaphragm provided with first diaphragm and second diaphragm, where anode sheet, first diaphragm, cathode sheet, second diaphragm and lithium patch are laminated in sequence, and lithium patch provided with current collector.

WANG H, LV C, XIE Y

Negative electrode with dual gradient changes in particle size-pore, used in lithium-ion battery, has current collector and active coating layer comprising porous carbon and negative electrode active material, where size gradient of negative electrode activated material is gradually reduced.

YUAN D, LIU F, ZHANG H, ZHU Z, HAN Y