国家/地区 美国（8） 中国（7） 印度（6） 世界知识产权组织（6）
IPC部 C（23）
IPC大类 C01（23） H01（9） B82（5）
B01（3） C08（3）
IPC小类 C01B（23）
IPC C01B032/23（23）
发明人 CAO M（2） GAO C（2） LIU Y（2）
OGUNI T（2） XU Z（2） YAMAKAJI M（2）
公开年 2021（13） 2022（7） 2023（3）
申请年 2021（23）
专利权人 SEMICONDUCTO.（3） UNIV ZHEJIAN.（2）

Cleaning graphite oxide without involving hydrochloric acid, comprises e.g. oxidizing graphite by chemical methods, diluting with water, collecting filter cake, washing filter cake with water, adding water and hydrogen peroxide for slurry, and performing solid-liquid separation.

CHENG H, PEI S, HUANG K, REN W

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

Fabricating reduced graphene oxide for electronic device e.g. supercapacitors, batteries, electrodes and photovoltaic devices, involves coating portion of substrate with fire retardant liquid, drying coated substrate and irradiating portion of substrate with beam of electromagnetic radiation.

KUMAR P S, GOEL S

Producing oxidized graphene used in e.g. transportation comprises obtaining first mixture by mixing graphite and acid, preparing second mixture, obtaining third mixture, obtaining oxidized graphene, and separating oxidized graphene.

AMANIDAZ H

Synthesis of graphene nanocomposite based additive for lubricants, by e.g. synthesizing graphene oxide by modified hummers method, doping graphene oxide with nitrogen element, and functionalizing nitrogen doped graphene.

KUMAR A, BHARDWAJ A, BARDIYA V

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

Producing colloidal aphron/graphene hybrid fluid composition used in field of biotechnology, separation industry, and smart-fluid technology, involves forming first mixture by mixing graphene derivative solution and biopolymer solution.

NADERI M, AKHLAGHI M H

Dust environment-friendly drying technique useful for extracting graphene in material learning, involves crushing two-dimensional crystal with ink material by crusher, and collecting particles after crushing, and using sulfuric acid, nitric acid chemical reagent and potassium permanganate.

YU R