国家/地区 美国（8） 世界知识产权组织（7） 中国（6） 澳大利亚（5） 日本（5） 韩国（5） 加拿大（4） 欧洲专利局（EPO）（4） 德国（2） 新加坡（2）
IPC部 C（11）
IPC大类 C01（11）
IPC小类 C01B（11）
IPC C01B032/22（11）
发明人 ZHANG Y（2）
公开年 2013（2） 2017（2） 2018（2） 2023（2）
申请年 2016（3）  2018（2）  2022（2） 
专利权人 ALBEMARLE CO.（2）

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

Preparation of silicon-carbon composite material used as electrodes for lithium-ion batteries, involves introducing carbon-based material and precursor of nanostructured silicon into reactor, decreasing dioxygen content, thermally treating and spheroidizing.

BURCHAK O

Sulfur-carbon material composite for forming positive electrode, comprises carbon material comprising graphene laminated structure, spacer arranged between graphene layers or at end of carbon material, and sulfur/sulfur-containing compound.

NAKATANI H, NOZATO S, TSUTSUMI H, UENO K

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

Composite material used as anode material, comprises intimate mixture consisting of lithiated or partially lithiated graphite or graphene, powdered silicon having particle size of preset range and optionally metallic lithium.

WIETELMANN U, EMMEL U, KRAEMER G, KURTH C, SCHERER S, BUHRMESTER T, KRAMER G

Preparation of graphene-based film used for device, involves forming layered structure by providing graphene-based film comprising sheets of graphene, graphene oxide and partially reduced graphene oxide.

LI D, YANG X

Production of graphene and graphite nanoplatelet structures involves passing current through cell comprising graphitic negative electrode; optionally graphitic positive electrode; and electrolyte with organic ions and metal ions as cations.

DRYFE R A W, KINLOCH I A, ABDELKADER A M, JEFF R A W

Graphene sheet useful in a transparent electrode, a solar cell, a conductive thin film, a display device, a hydrogen storage medium and an electrical device, comprises intercalation compound comprising organic compound, and graphene layers.

CHOI J