国家/地区 中国（13）
IPC部 C（13）
IPC大类 C01（13） H01（2）
IPC小类 C01B（13）
IPC C01B032/19（13）
发明人 LIU L（13）
公开年 2021（3） 2017（2） 2019（2） 2022（2） 2023（2）
申请年 2021（3）  2017（2）  2019（2）  2020（2）  2023（2） 
专利权人 UNIV SHANDON.（2） UNIV SHENYAN.（2） XIAMEN XINGU.（2）

Method for preparing graphene by using graphite negative electrode recycled waste lithium, involves using vacuum filtering device to clean electrolytic liquid after electrolytic peeling, freezing and drying graphene processed solution, and sieving powder to prepare finished product graphene.

ZHANG S, ZHANG Z, YANG Q, LIU Q, LIU L, ZHAO H, HU L

Preparing graphene for preparing lead-carbon alloy cathode material, comprises e.g. adding electrolyte into electrolytic cell, pre-electrolyzing graphite sheets bound by titanium mesh, suction filtering, powdering freeze-dried graphene and mixing with activated pore-forming agent, activating.

ZHANG S, ZHANG Z, YANG Q, LIU Q, LIU L, ZHAO H, HU L

Preparing fluorinated graphite in aerospace industry and nuclear industry, involves selecting lump natural coal based graphite and inert electrode respectively anode and cathode, selecting fluorine-containing inorganic salt solution as electrolyte solution, performing electrochemical peeling.

SUN H, LIU L, HUA Z, CAO W, ZHANG X, JI L, QUAN Y

Preparation method of defective graphene, involves lowering temperature after calcination is completed, replacing inert atmosphere with air atmosphere, and lowering temperature, after heat preservation to obtain defective graphene.

TAN W, JING M, LIU L, MA F

Graphite oxide material for preparing graphene oxide, reduced graphene oxide and graphene, comprises acid solution and graphite oxide with preset solid content.

CHE C, LIU L, ZHU Y, KONG G

Preparing graphene aqueous dispersion by mechanical stripping comprises adding graphite, hydrophilic dispersant, and hydrophobic dispersant to water, stirring uniformly, ball milling, and centrifuging the initial graphene dispersion.

WEN S, JI P, XU Z, LIU L

Preparation of graphene using expandable graphite by adding expandable graphite with N,N-dimethylacetamide and hexadecyl trimethyl ammonium bromide aqueous solution, heating, ultrasonically processing, water washing. calcining, and crushing.

MA F, LIU L, TAN W, WANG X

Preparing pressure sensor, by adding graphene to cellulose-lithium bromide solution, adding additive, dripping graphene-cellulose-lithium bromide solution into coagulation bath, coagulating and pouring polymer substrate into substrate mold.

LIU L, WANG F, LI Z, YAO J

Supercritical carbon dioxide-assisted liquid-phase exfoliation preparation of graphene by ultrasonically mixing graphite powder and organic solvent, heating, introducing carbon dioxide, reacting, cooling, dispersing abd centrifuging.

LIU L, ZHU L, XIAO H, CHEN X

Preparation of intrinsic few-layer graphene by preparing raw material with dried iron(III) chloride and flake graphite, mixing octylamine and dimethylformamide, sintering, processing with mixed bulking agent, washing and separating.

LIU L, HAN Z, LI Z, LI R, WANG E