国家/地区 中国（7）
IPC部 H（5）
IPC大类 H01（5）
IPC小类 H01M（5）
IPC H01M004/36（5） H01M010/0525（5） H01M004/583（3）
H01M004/38（2） H01M004/62（2）
发明人 QIN S（7）
公开年 2022（4）
申请年 2021（3）  2022（2） 
专利权人 CHANGSHA MINING METALLURGY INST（7）

Double-layer coated silicon-based negative electrode material used in battery application, comprises coated carbon layer, and core material uniformly arranged silicon and silicate.

QIN S, CHEN G, TU F, CAO J, TANG G

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

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

Preparation of composite anode for battery, involves adding titanium dioxide to organic solvent, ultrasonically processing, adding graphene material, ultrasonically processing, adding anode active material, ball milling, and drying.

ZHUANG Z, TU F, JU B, YANG L, CHEN T, LEI G, ZHOU Q, LIAO H, WANG Y, XIAO K, QIN S, DENG Z, TANG Y

Preparing graphene oxide comprises adding graphite powder into sulfuric acid, low temperature stripping, adding sulfuric acid solution, introducing ozone-containing gas, and carrying out medium and high temperature oxidation stripping.

WU J, TAN S, NING S, HUANG X, ZHOU Y, WAN H, ZHANG L, QIN S