国家/地区 中国（8） 印度（2）
IPC部 B（12）
IPC大类 C01（12）
IPC小类 C01B（12）
IPC C01B032/198（12）
发明人 LIU Y（2）
公开年 2022（12）
申请年 2021（6）  2022（4）  2020（2） 
专利权人

Method for recycling and utilizing waste battery cathode graphite involves soaking ground cathode powder in acid solution, reacting e.g. obtained purified graphite, quenching, filtering, dispersing obtained graphene oxide in organic solution, adding metal salt powder, filtering, drying and firing.

ZHU Q, QIU N, ZHOU Y, DU J, XIE D, LIN H, YANG Q

Preparing tricobalt tetroxide/nitrogen-doped graphene oxide material useful as sodium ion battery cathode material, comprises e.g. mixing graphene oxide, nitrogen source, cobalt source and water, subjecting suspension to hydrothermal reaction, directly freeze-drying precursor solution.

FANG X, DAI Z, LI D, TANG H, LEI Z, WU Y, TANG L, YUE C, ZHANG W, HU M, CHEN J

Preparing reduced graphene oxide coated oxidized graphene framework (OGF) incorporated polymer foam useful for improving oil/water separation, comprises mixing OGF with polyol and polyisocyanate, and dip coating with graphene oxide solution.

YADAV D, SHUKLA S, SAXENA S

Synthesizing reduced graphene oxide (rGO)/dysprosium selenide film on solid substrate used in energy storage device, comprises immersing substrate in rGO aqueous solution, dysprosium nitrate and sodium selenosulfate to form film.

LOKHANDE C D, KHOT S D, NIKAM R P, BAGWADE P P, MALAVEKAR D B

Preparing pomegranate seed structure high elastic mold conductive assembly used as conductive agent of new energy lithium-ion battery comprises taking n-octanol, absolute ethyl alcohol and deionized water, heating, adding citric acid, adding ethylene glycol and polyvinylpyrrolidone, and spraying.

CHEN X, YANG H, BAO N, ZHANG L

Preparing manganese dioxide/graphite oxide composite material by using waste liquid of oxidized graphene, filtering, adjusting pH of filtrate by adding alkaline substance, adding proper potassium permanganate, and precipitating.

GONG W, CAO A, LIU T, SONG X, HOU S, WANG W

Graphene-supported noble metal powder used in Schottky device, involves mixing oxidized graphene solution, gold/platinum noble metal precursor solution and reducing agent i.e. ascorbic acid, hydrazine hydrate and sodium borohydride, and carrying out hydrothermal reduction reaction.

LIU Y, PU Z, WANG H, FENG J, LI Y, DUAN J, ZHANG H

Preparing silicon-carbon composite material in electrochemical device, involves mixing silicon material, carbon material and adhesive agent to obtain intermediate A, subjecting obtained intermediate A to hot mixing kneading and isostatic pressing to obtain intermediate B.

LU C, ZHOU M, GU H, FENG S, LI X

Fluorine-doped carbon-based material used for energy device e.g., hybrid supercapacitor comprises a carbon-based material in powder form, and fluorine doped by a solvent-free method on the surface of carbon-based material.

SHIM W, SIM Y, KIM J Y, SUBRAMANISRENDREN, MUN J H, HO J C, JAE C H

Preparation of graphene/metal-based composite material based on graphene defect control involves ultrasonically dispersing graphene powder with different defects, at the same time, metal powder by stirring ball milling.

LIU Y, ZOU B, ZHANG G, WANG G, LI Z, OUYANG H