国家/地区 中国（69） 韩国（17） 世界知识产权组织（15） 欧洲专利局（EPO）（3） 日本（3） 美国（3）
IPC部 C（85）
IPC大类 C01（85） H01（80） B82（17）
B01（7） H05（7） C09（4）
C08（3） C23（2）
IPC小类 C01B（85）
IPC C01B032/05（85）
发明人 ZHANG J（8） LI Q（6） ZHANG Y（6）
LI J（4） TAO Y（4） WANG X（4）
YANG H（4） YANG Q（4） CHEN X（3）
CHEN Y（3） CHOI J（3） LEECHANGSUP（3）
LI C（3） LIU Y（3） MA C（3）
公开年 2022（85）
申请年 2022（36）  2021（35）  2020（14） 
专利权人 UNIV TIANJIN（4） UNIV KEIMYUN.（3） AECC BEIJING.（2） CHINA PETROL.（2）
NINGDE AMPER.（2） SHAANXI COAL.（2） SHENZHEN JIN.（2） SINOPEC RES .（2）
UNIV BEIJING.（2） UNIV CENT SO.（2） UNIV CHONNAM.（2） UNIV SICHUAN（2）

Positive electrode material, comprises inner layer material and coating layer covering inner layer material, where inner layer material is lithium iron manganese phosphate based compound, coating layer comprises niobium carbide MXene and carbon.

PENG X, WANG X, LIU Y

Silicon-oxygen material used for preparing material for forming negative electrode used for lithium ion battery, comprises silicon oxide, and is in the form of primary particles having preset Wadell sphericity.

CHEN X, PANG C, DENG Z, LIANG T, REN J, HE X, DENG C, REN J G, HUH S

Preparing hard carbon-soft carbon-fast ion conductor composite material involves weighing the lignin, starch, rare earth coupling agent, crosslinking agent, and graphene oxide solution to disperse uniformly, passing hydrothermal reaction, filtering, freezing and drying.

LIANG J

Comprehensive resource recovery and reuse of titanium dioxide by-product ferrous sulfate and waste graphite cathode materials, comprises e.g. mixing titanium dioxide by-product ferrous sulfate and waste graphite cathode material with high-molecular organic matter and calcining.

LI Q, LI J, WU C, HAO X, LI L, CHEN M, QI J, SHEN X, SHANGGUAN E

Preparing carbon-coated lithium manganate involves acid leaching pyrolusite, mixing formed manganese dioxide crystal with sulfur dioxide and solvent, mixing formed bivalent manganese with potassium permanganate, oxidizing, mixing formed manganese dioxide with lithium and carbon sources, calcining.

MA Y, HE Z, CAI B

Preparing carbon-based core-shell structure pinecone-type nano-flower magnetic composite material, comprises e.g. dissolving polyvinylpyrrolidone in water, dropping hydrochloric acid solution, adding potassium ferrocyanide, reacting, and cooling to room temperature.

QIN L, SUN M, YIN Y, SI W, HOU W, LIAO Q

Preparing copper-tantalum co-doped hard carbon composite material used as e.g. electrode material, comprises adding strontium acetate, tantalum source into organic solution of hard carbon precursor, hydrothermally reacting, filtering, mixing with copper powder, heating and carbonizing.

LIANG J

Preparing graphene quantum dot airgel derived porous carbon useful for preparing supercapacitor electrodes, comprises e.g. adding coal powder to mixed acid solution, heating mixed solution and under condition of heat preservation, and adding pore-forming agent under stirring conditions.

WU H, XIAO R, XIONG L, XIE Y, DU X

Preparing functional graphene carbon film material comprises e.g. using nanocellulose, dopamine, sodium alginate, theanine, and/or tannic acid as solute, adding to solvent, heat treating, adding nanosheet composition, pressurizing graphene oxide macroscopic body and pretreating graphene oxide film.

XU J, YANG C, REN Z

Lithium-rich transition metal oxide-reduced graphene oxide-carbon composite lithium supplement additive useful for preparing lithium-ion batteries, preferably preparing anodes for lithium-ion batteries, comprises core-shell structure with double carbon coating.

LI J, ZHANG K, HONG B, WANG S, ZHU B, LAI Y, ZHANG Z