国家/地区 中国（16）
IPC部 C（16）
IPC大类 C01（16） H01（6） B01（5）
B82（4） C08（3） C09（2）
C25（2）
IPC小类 C01B（16）
IPC C01B032/22（16）
发明人 ZHANG Y（3）
公开年 2015（3） 2018（3） 2014（2） 2017（2） 2021（2） 2023（2）
申请年 2014（3）  2015（2）  2016（2）  2017（2）  2020（2）  2022（2） 
专利权人 ALBEMARLE CO.（2）

Oxidation of flake graphite with high efficiency and isothermal gradient, comprises e.g. adding flake graphite into concentrated sulfuric acid in reactor, mechanically stirring, adding potassium permanganate, heating, adding hydrogen peroxide and performing solid-liquid separation.

YANG W, CHEN J

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

Reaction kettle for producing graphene, comprises reaction kettle shell, sealing upper cover, threaded groove, countersunk hole, bolt, pressure gauge and sealing material injecting pipe, where sealing cover is covered on upper end of reaction kettle shell.

LIANG Z, DENG Y, ZHANG K

Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.

VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S

Graphene precursor use for preparing functional graphene or graphene nanocomposites, comprises intercalated graphite compound, prepared by mixing sulfuric acid and phosphoric acid, adding potassium permanganate, and mixing.

MENG Q, MA J, GUAN X

Graphite-based phase change composite film used for battery thermal management and heat sink member, comprises base film and graphite-based phase change material comprising multilayer graphene sheet, carbon fiber and long chain alkane.

LU H, LI P, ZHANG H

Preparing magnetic graphene by iron salt vapor phase intercalation and microwave technology comprises e.g. intercalating iron salt and natural flake graphite into natural flake graphite layers by vapor phase intercalation and microwaving.

ZHOU Z, PENG F, GUO Y, HUANG F, MEMG F, TIAN X

Preparation of binder slurry for electrode used in energy storage device, involves mixing halogenated graphene nanoplatelets having specific graphene layers, and polar solvents to form nanoplatelet slurry, and combining slurry and binders.

ZHANG Y, TANG Z

Device for expansion of graphite into graphene flakes used for providing e.g. conductive coatings, comprises container which is provided for receiving electrolyte, anode and cathode which consists of diamond.

NEBEL C E, HOFFMANN R, ROSCHER S, ROSCHNER S, HOFFMAN R

Halogenated graphene nanoplatelets used in e.g. energy storage device, comprising graphene layers that are defect-free and free from any element, other than carbon atoms of perimeters of graphene layers, and with specified ratio of bromine.

ZHANG Y, PARKS J C, KADRMAS C R, ODAY J M