国家/地区 中国（6）
IPC部 H（4） C（2）
IPC大类 H01（4） C01（2）
IPC小类 H01M（4） C01B（2）
IPC H01M004/36（3） H01M004/62（3） H01M010/0525（3）
C01B032/198（2）
发明人 TU F（6） QIN S（4） CAO J（3）
YANG L（3） CHEN T（2） FENG Q（2）
LIU Y（2） LUO L（2） PENG Q（2）
TANG G（2）
公开年 2022（6）
申请年 2021（5） 
专利权人 CHANGSHA MINING METALLURGY INST（6）

Method for measuring magnetic substance in graphene powder, involves mixing graphene powder, and solvent, placing magnetic rod into graphene slurry dispersion solution, realizing measurement of magnetic substances in graphene powder.

QIN S, WANG D, KUANG L, TAN J, TU F, CAO J, LI H, SONG J

Preparation device of graphene oxide comprises electrolytic device comprising power supply and connected with power supply of negative electrode negative electrode, where anode is graphite paper electrode, and clamping device.

TU F, XIAO K, HUANG P

Silicon carbon anode material includes an inner core and a carbon coating layer, the carbon coating layer is coated on the surface of the inner core, and the inner core is dispersed with carbon-coated nano-silicon.

QIN S, FENG Q, LIU Y, CAO J, TU F, YANG L, LUO L, PENG Q, TANG G

Silicon-carbon composite negative electrode material with high compact structure, comprises silicon/graphite composite core, which has multiple layers of flake graphite and nano silicon, where flake graphite is arranged in oriented manner.

QIN S, YANG C, HE L, CHEN T, TU F, YANG L, PENG Q, TANG G, LUO L

Silicon-based composite cathode material for lithium-ion battery has a mixture of silicon dioxide and silicon crystal grain as substrate whose surface is coated with lithium silicate layer, indefinite carbon layer, and graphene layer.

QIN S, CHEN T, LIU Y, FENG Q, TU F, YANG L, TANG W

Polyamide-amine-type dendrimer surface-modified carbon material used as sulfur carrier for preparing sulfur composite electrode for lithium-sulfur battery, comprises carbon material, and polyamide-amine-type dendrimer grafted and supported on carbon material through carbonyl-amine group.

WANG Y, CAO J, LI Z, JIAO C, ZHANG C, TU F, LI T, YAO S