国家/地区 中国（80） 世界知识产权组织（10） 美国（9） 韩国（7） 印度（4） 日本（3） 台湾（2）
IPC部 C（102）
IPC大类 C01（102）
IPC小类 C01B（102）
IPC C01B032/194（102）
发明人 LI X（7） LI J（6） LIU Y（6）
ZHANG K（6） WANG X（5） WANG Y（5）
WANG Z（5） ZHANG W（4） ZHANG X（4）
LI Y（3） LIU C（3） LU Y（3）
PAN Y（3） WANG C（3） WANG F（3）
公开年 2022（68） 2023（34）
申请年 2022（102）
专利权人 UNIV CHINA E.（3） UNIV HENAN A.（3） UNIV ZHEJIAN.（3） HUAYU NEW EN.（2）
HUNAN JINYAN.（2） RUMPLIER INC（2） SHUIMU BEIJI.（2） UNIV SOOCHOW（2）
UNIV TSINGHU.（2） UNIV XIAN JI.（2） UNIV ZHENGZH.（2）

Evaluating number of graphene layers comprises e.g. coating graphene mixed slurry on copper foil, drying, preparing button battery with dried copper foil as electrode sheet of current collector, and estimating number of graphene layers of graphene powder according to charge-discharge curve.

LIU Y, WANG B, SUN L, ZHOU L, SHI X, WANG X, LI B

Preparation of lithium-iron phosphate battery positive electrode slurry involves mixing carbon-coated graphene-based lithium-iron phosphate, conductive carbon black, polyvinylidene fluoride binder and trifluoromethyl hyperbranched binder.

LIANG X, WANG Z, WANG X, WU Y, SHENG Y, GUO Z, ZHU F, MA L, LI H

Preparing reduced acylated graphene oxide used in electrode active material of lithium secondary battery, involves subjecting graphene oxide to acylation reaction to prepare acylated graphene oxide, and reducing the acylated graphene oxide.

KIM D H, PARK S, YEON S, SHIN K, JIN C, HWANG S H, SEUNGHAE H, JIN C S, HEE S K

Laminated structure composite of graphene with low defect concentration useful as cathode material of alkali metal ion battery, comprises low-defect concentration graphene active substance i.e. iron(II,III) trichloride compound.

WU L, ZHENG L

Method for preparing graphene electrode taking carbon dioxide reduction product as carbon source, involves adding polyacrylonitrile to N, N-dimethyl formamide to obtain precursor solution, and carrying out electro-catalytic reduction to carbon dioxide gas source to obtain gaseous product.

YAN W, GAO F, WANG W, GAO S, WANG Y, YANG G, WANG F

Method for modifying graphite used as cathode material in lithium-ion battery by fully dissolving asphalt in organic solvent, adding graphite and high-conductivity graphene, mixing uniformly to coat graphene surface, removing organic solvent and carbonizing solid product.

YANG W, XU C, LI Y

Producing decorated clay mineral nanosheet used for wrinkling two dimensional materials, comprises decorating outer surface of first and second nanolayers with e.g. nanoparticles, and cleaving double-layer decorated clay mineral nanosheet.

FOSSUM J O, PACAKOVA B, BRITO P H M, DOMMERSNES P G

New lithium-ion battery cathode material useful in coating layer in cathode of lithium-ion batteries.

REN Z, CHEN Z, YANG Y, SHEN L

Method for preparing graphene film in electronic device i.e. batteries, involves immersing carrier in graphene organic solution, taking out carrier after infiltration is completed, and drying carrier, so that graphene film is formed on surface of carrier.

LI J, YANG B, YE L

Graphene grid used for structural analysis of substance e.g. beta-galactosidase, vacuolar-type adenosine triphosphatase and ferritin, using cryo-electron microscope, has structure in which functional group containing silicon atom and/or phosphorus atom are introduced on graphene surface.

HARUYASU A, MAIKO M, TSUYOSHI I