国家/地区 中国（105） 世界知识产权组织（14） 韩国（9） 美国（8） 欧洲专利局（EPO）（2） 印度（2）
IPC部 C（124）
IPC大类 C01（124）
IPC小类 C01B（124）
IPC H01M004/62（124）
发明人 LI J（10） LI Y（7） WANG X（6）
LI C（5） LI S（5） WANG Q（5）
ZHANG Q（5） ZHANG X（5） LI Q（4）
LI X（4） LIU S（4） LIU Y（4）
WANG J（4） WANG Y（4） YANG H（4）
公开年 2022（73） 2023（51）
申请年 2022（124）
专利权人 CHUNENG NEW .（3） HUNAN JINYAN.（3） CHINA THREE .（2） GUANGDONG MO.（2）
HUAYU NEW EN.（2） HUIYANG GUIZ.（2） LG ENERGY SO.（2） SHANDONG HAI.（2）
SHENZHEN JIN.（2） UNIV SHAANXI.（2） UNIV SOOCHOW（2） UNIV ULSAN F.（2）
UNIV ZHEJIAN.（2） UNIV ZHENGZH.（2）

Conductive material slurry used in secondary battery for electric vehicles, comprises conductive material, and dispersing agent dispersing conductive material.

HAN J, HUH C, YANG H C, LEE J, KIM H, KYUNG H, CHUL H, LEEJOOCHUL, CHUL K

Porous carbon material used in positive electrode for lithium-sulfur battery, has specific surface area and impurities removed through pretreatment using microwaves.

SONG M, PARK I, CHOI R, LEE H, KIM Y, PARK S, YANG S, MYUNGJUN S, PARK I T, KIM Y H

Porous silicon-carbon composite used as anode active material for lithium secondary battery, comprises core-shell structure containing silicon particles and carbon, core including silicon particles, and shell including carbon layers.

LEE J H, LIM S W, PARK H J, NAM S J, LIM H H, LIM J C, HYUN L J, IMSUNGWOO, PARK H, JIN N, HEE L, LIM J

Purification of graphitic material used for negative electrode material, involves electrochemically treating crude graphitic material comprising impurity chosen from metal and metal oxide, using predetermined electrolyte, predetermined anode composition and predetermined cathode composition.

CORNEJO A, ROY A K, LO V C, CHIVERS B, NOORBEHESHT N

Preparing single crystal high-nickel cobalt-free material comprises e.g. mixing single crystal high-nickel cobalt-free precursor with lithium source, carrying out calcination, and mixing second single crystal high nickel cobalt free calcined material with graphene oxide solution.

LI C, YU H, XIE Y, LI A

Evaluating number of graphene layers comprises e.g. coating graphene mixed slurry on copper foil, drying, preparing button battery with dried copper foil as electrode sheet of current collector, and estimating number of graphene layers of graphene powder according to charge-discharge curve.

LIU Y, WANG B, SUN L, ZHOU L, SHI X, WANG X, LI B

Producing and depositing graphene film on anode involves creating graphite dispersion, electrostatically charging graphene dispersion by addition of organic amine salt, and applying conductive graphene film to anode by electrophoretic deposition.

WEIJIA L, GONG S

Preparation of lithium-iron phosphate battery positive electrode slurry involves mixing carbon-coated graphene-based lithium-iron phosphate, conductive carbon black, polyvinylidene fluoride binder and trifluoromethyl hyperbranched binder.

LIANG X, WANG Z, WANG X, WU Y, SHENG Y, GUO Z, ZHU F, MA L, LI H

Anode used for battery, comprises carbon shell comprising outer surface, inner volume and several pinholes, anode particles, and graphene flakes(s) arranged on outer surface of carbon shell.

MOGHIMIAN N, NAZARPOUR S

Laminated structure composite of graphene with low defect concentration useful as cathode material of alkali metal ion battery, comprises low-defect concentration graphene active substance i.e. iron(II,III) trichloride compound.

WU L, ZHENG L