国家/地区 中国（41） 美国（13） 日本（12） 世界知识产权组织（12） 韩国（8） 欧洲专利局（EPO）（6） 台湾（6） 印度（4） 加拿大（3） 英国（3） 澳大利亚（2） 墨西哥（2） 南非（2）
IPC部 C（51）
IPC大类 C01（51）
IPC小类 C01B（51）
IPC C01B032/205（51）
发明人 CHEN Y（3） LI J（3） MIAO R（3）
CHEN J（2） HASEGAWA S（2） HASEGAWA SHOJI（2）
HU D（2） HUANG L（2） JANG B Z（2）
KAMIYA N（2） KAMIYA NAGISA（2） LIU J（2）
LIU W（2） SHEN Y（2） WANG H（2）
公开年 2021（14） 2022（14） 2023（6） 2015（5） 2017（4） 2020（3）
申请年 2021（19）  2020（7）  2022（7）  2014（3）  2015（3）  2016（3）  2013（2）  2019（2）  2023（2） 
专利权人 GRAPHENE PLA.（2） NANOTEK INST.（2） NINGBO SHANS.（2） SEKISUI CHEM.（2）
SEKISUI CHEM.（2）

Preparing highly stable and efficient excitation dependent luminescent graphene quantum dots from Bougainvillea glabra flower involves washing Bougainvillea Glabra flower with bract and cutting into small pieces, and mixing pieces of bougainvillea Glabra flower with bract along with distilled water.

PANACHIKKOOL M, PANDIYARAJAN T

Composite graphite material useful in lithium-ion battery, comprises porous graphite material, asphalt-based carbon material and nano-carbon material, where asphalt-based carbon material and nano-carbon material are filled in pores of porous graphite material.

LI H, LIU D, PANG W, DING L, GU H, PAN J, JIANG C

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

Preparing graphite anode material based on graphene/asphalt useful in the double-ion battery comprises uniform mixing asphalt and oxidized graphene dispersing oxidized graphene powder, carrying out solvent thermal reaction for mixed solution and filtering sample.

YE J, YE L, SHAO H, LIAO Q, LIANG X, LIANG G, ZHANG M

Process used for purification of graphite material, involves subjecting graphite material to oxidizing conditions, subjecting metal sulfide-lean graphite material to carbochlorination, and purging metal chlorides from metal chloride-rich graphite material, thus obtains purified graphite material.

BOISVERT R, BOULANGER P, BRASSARD M, DESAULNIERS E, NORVAL G, RIECKMANN P, TAN A, TAN Z

Carbonizing an upgraded coal used for electrochemical cell, involves heating the upgraded coal in an inert environment, to form a carbonized upgraded coal, where upgraded coal comprises upgraded lignite coal, upgraded subbituminous coal, upgraded crushed coal and upgraded particulate coal.

LAUMB J, AZENKENG A

Flaky graphite-polythiophene composite used for forming corrosion-resistant coating material, comprises flaky graphite which is laminate of graphene or graphene sheets, and polythiophene derivative.

FUKUI H, KUDO T, YOSHITANI H, MARUYAMA T, MATSUI M, KUSAMOTO Y, MORI A, TOYODA M, NANRI K

Preparing nano spiral graphite fiber material used in portable electronic equipment, involves using methane as raw material, adding metal catalyst, adopting vapor deposition method to prepare nano spiral fiber, carbonizing nano spiral fiber in inert atmosphere, and graphitizing nano spiral fiber.

GUO Q, YANG J, WANG G, HU S, WANG H, WANG M, WANG L

Preparing lithium battery with high energy density and fast graphite negative electrode material, involves mixing and crushing to certain particle size of coke material, catalyst, conductive, agent agglomerant to certain mass ratio, adding mechanical melting machine to obtain mixture material.

ZHOU P, ZHAO D, BAI Y, TENG K, SONG H

Preparing natural graphite fast-charging lithium battery cathode material comprises e.g. uniformly mixing graphite precursor material, coating agent and graphene powder, heat treating in high temperature furnace, cooling, adding material into classifier to remove large particles, and graphitizing.

GU P, ZHAO J, GAO Y, WU H, ZHAO Y, LI X, HAN J, CHEN G, CHEN R