国家/地区 美国（4） 印度（3） 中国（2）
IPC部 C（9）
IPC大类 C01（9） H01（9） B82（3）
IPC小类 C01B（9）
IPC C01B032/23（9）
发明人 OGUNI T（2） YAMAKAJI M（2）
公开年 2021（5） 2022（3）
申请年 2021（9）
专利权人 SEMICONDUCTO.（3）

Composite graphite material used in negative electrode of secondary battery, comprises main particles comprising artificial graphite and coating layer comprising amorphous carbon, and has preset air oxidation temperature.

HE L, KANG M, MENG K, HERIVING

Making vertically oriented graphene oxide nanosheets using facile heating method by e.g. pouring graphene oxide aqueous dispersion into container, allowing to stand until film is formed on surface of solution and sealing container with lid.

GHOSH R, KASHYAP A, KALITA H

Preparing a positive electrode for a nonaqueous secondary battery, involves adding a positive electrode active material to a dispersion medium to form a first mixture, kneading the first mixture to form a second mixture, and adding binder.

IKENUMA T, YATABE R, YAMAKAJI M, SAITO Y, YUKAWA M, TODORIKI H

Fabricating graphene oxide film by suspending graphene oxide in solvent to form graphene oxide suspension, dispersing, reducing graphene oxide dispersion, filtering graphene oxide dispersion through membrane to form graphene oxide film on membrane and freeze-casting graphene oxide film on membrane.

SHAO Y, KANER R B

Synthezing thermally reduced graphene oxide-gold-silicon oxide hybrid nanoparticles involves e.g. electrochemical exfoliation method using cylindrical graphite rod as cathode and anode, filtering slurry of exfoliation and sonicating mixture.

SINGH P K, SHARMA K, TIWARI A K

Forming graphene compound for flexible lithium-ion storage battery, by stirring graphene oxide and base under nitrogen stream to form first mixture, cooling, adding silylating agent to first mixture to form second mixture, in which the silylating agent further has chain group of ether bonds.

SEO S, OGUNI T, KADOMA H

Preparation of porous spherical graphene-coated silicon composite material used for forming negative electrode, involves ultrasonically-dispersing nanosilicon in graphene oxide aqueous dispersion, adding nitric acid solution, ultrasonically-mixing, hydrothermally-reacting, and calcining.

HE D, CHEN H

Synthesis of graphene used in e.g. energy transferring, involves reducing graphene oxide formed by oxidizing graphite using hydrogen peroxide, in which impact on formation of graphene or reduced graphene oxide is modified based on usage of hydrogen peroxide.

JEBASINGH B E, ARASU A V

Manufacture of graphene compound for manufacturing secondary battery, involves e.g. adding graphite into solution containing sulfuric acid, washing graphite with aqueous solution containing sulfate, and performing ultrasonic treatment.

TSURUTA A, YAMAKAJI M, MIWA T, OGUNI T, YONEDA Y