国家/地区 中国（36） 世界知识产权组织（6） 韩国（5） 美国（4）
IPC部 C（45）
IPC大类 C01（45）
IPC小类 C01B（45） H01M（45） B82Y（8）
C01D（3） B01J（2） B05D（2）
C23C（2） H01G（2）
IPC H01M004/587（45）
发明人 LI J（4） LI Y（3） ZHANG W（3）
ZHANG Y（3） LIANG J（2） LIU H（2）
LIU S（2） WANG L（2） WANG Y（2）
YANG H（2） YANG J（2） YIN H（2）
公开年 2022（24） 2023（21）
申请年 2022（45）
专利权人 HUIYANG GUIZ.（2） SHENZHEN JIN.（2） UNIV NINGBO（2） UNIV SHAANXI.（2）
YIN H（2）

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

Material for lithium graphene of ion battery comprises two-dimensional sheet with graphene surface inner hole and fold structure.

QIAO Z, RUAN D, WANG Y

Preparing graphene by combustion synthesis comprises e.g. mixing extruded vermiculite powder and metal magnesium powder, then mixing with metal magnesium powder, passing carbon dioxide, adding into hydrochloric acid solution and adding into hydrofluoric acid solution and reacting.

MING H, CAO G, XIANG Y, ZHANG H, ZHANG W

Preparing reduced acylated graphene oxide used in electrode active material of lithium secondary battery, involves subjecting graphene oxide to acylation reaction to prepare acylated graphene oxide, and reducing the acylated graphene oxide.

KIM D H, PARK S, YEON S, SHIN K, JIN C, HWANG S H, SEUNGHAE H, JIN C S, HEE S K

Preparing carbon-silicon composite material, comprises e.g. weighing stearic acid coupling agent into porous carbon powder, heating and stirring uniformly, and dripping proper amount of oxidation solution graphene grinding.

LI P, XUE Y, GUO X

Preparation of graphene/silicon oxide composite material for preparing electrode material, involves preparing graphene oxide by mixing graphite, water, concentrated sulfuric acid and sodium vanadate, preparing mixed material using reduced three-dimensional graphene, and laser processing.

LI J, LI Y, MA C, ZHANG Q, ZHU J

Preparing hard carbon cathode material comprises passivating hard carbon precursor, where hard carbon precursor comprises modified hard carbon precursor comprising pre-lithiated hard carbon and/or pre-sodium hard carbon precursors, and passivation treatment comprises reacting sodium and/or lithium.

TAN G, CHEN H, ZHANG Z, YU Y, PENG T, HU L

Preparing carbon negative electrode material involves making carbon source into flash graphene by flash Joule heating method, and ball-milling flash graphene under inert atmosphere to obtain ball-milled flash graphene, i.e., carbon negative electrode material.

WU H, YANG H, DENG W

Manufacturing electrostatic self-assembled silicon/reduced graphene oxide (rGO)/carbon nanofibers composite as anode materials for lithium-ion battery, involves obtaining silicon (Si)-(3-aminopropyl)triethoxysilane (APTES) solution by adding predetermined silicon nanoparticles to piranha solution.

CONG R, LEE C S, LEECHANGSUP, FEMALE T

Preparation method of graphite material for battery, involves adding nano graphite powder after acid washing in second mixture powder intercalation reaction, adding concentrated acid solution, and washing solid matter by using deionized water.

YANG J