国家/地区 中国（4） 韩国（3） 世界知识产权组织（3）
IPC部 C（10）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C01B032/21（10）
发明人
公开年 2023（10）
申请年 2022（4）  2023（4）  2021（2） 
专利权人 CHUNENG NEW .（2）

Hybrid graphene composite particles for lithium-ion battery, comprise graphene composite comprising mixed structure of primary microparticles bound to surface or inside of multilayer graphene, and secondary microparticles surrounded by graphene composite.

SHIM J S

Cathode active materials useful for secondary batteries, comprises carbon-based base material, silicon layer formed on carbon-based base material, and graphene provided on outside of silicon layer.

CHAE S

Producing core-shell composite used for electrodes in secondary batteries, comprises e.g. preparing active material paste by mixing hydrophobic particles and alcohol, and preparing spray solution by mixing dough with hydrophilic graphene.

YANG S, LEE G, JEONG S, KIM I, JUNG S Y, KIM B, RYUJIHYUN, LEE H, BAEK J G

Silica/titania/carbon composite material, includes a core, an intermediate layer and an outer layer, where the core includes a silicon compound, the intermediate layer includes titania, and the outer layer includes a carbonaceous material.

DING S, YAN Z

Cathode material useful in lithium-ion batteries, comprises alumina/graphene composite coated modified graphite material comprising natural graphite, artificial graphite, and graphite materials treated in other ways.

CHENG Q, ZHANG K, XUE L, YUE Z

Negative electrode material used in lithium-ion battery, comprises pre-lithiated graphite and pre-lithiated graphene, which are crosslinked using crosslinking agent to form crosslinked structure.

CHEN Z, MA B

Preparation of silicon-carbon composite material used as electrodes for lithium-ion batteries, involves introducing carbon-based material and precursor of nanostructured silicon into reactor, decreasing dioxygen content, thermally treating and spheroidizing.

BURCHAK O

Process used for purification of graphite material, involves subjecting graphite material to oxidizing conditions, subjecting metal sulfide-lean graphite material to carbochlorination, and purging metal chlorides from metal chloride-rich graphite material, thus obtains purified graphite material.

BOISVERT R, BOULANGER P, BRASSARD M, DESAULNIERS E, NORVAL G, RIECKMANN P, TAN A, TAN Z

Preparation of lithium battery electrode material based on graphene modification involves dispersing spherical graphite and graphene oxide in solvent, heating, carbonizing obtained mixture, and mixing obtained graphene-modified material with e.g. nano conductive agent.

LIU J, YUAN Q, ZHANG X, LIU S, WEN Z

Battery active material for electrode, includes multiple of graphene platelets to which are coupled multiple of heteroatoms or heteroionic species.

RIZZI L G, CESAREO G G, SOONSHIONG P