国家/地区 中国（7）
IPC部 H（4） G（3）
IPC大类 H01（4） G01（3）
IPC小类 H01M（4） G01N（3）
IPC H01M004/62（3） H01M010/0525（3） G01N001/28（2）
发明人 GAO P（7）
公开年 2017（4） 2018（2）
申请年 2017（5） 
专利权人 SIXTH ELEMENT CHANGZHOU MATERIALS TECHNO（7）

Preparation method of graphene-coated graphite cathode material of lithium ion battery, involves adding graphene oxide solution to graphite suspension, removing solvent to obtain dry solid powder, treating under inert atmosphere and cooling.

GAO P, QU Y

Composite slurry, comprises conductive material, where conductive material is composite of graphene and carbon nanotubes.

CONG X, ZHANG L, MA Y, GAO P, ZHANG J, ZHANG Y, QU Y

Preparation of carbon black and graphene powder composite conductive agent used for lithium iron phosphate anode material comprises oxidizing graphite to graphite oxide, adding carbon black powder, and reducing.

ZHANG Y, GE M, MA Y, ZHANG L, YIN S, CONG X, ZHANG J, GAO P, QU Y

Method for preparing graphene oxide sample, involves adding graphene oxide to solvent for dispersion to obtain first dispersion, coating first dispersion on substrate, drying substrate and separating graphene oxide film from substrate.

CAI Y, GAO P, TANG R, QU Y

Lithium ion battery positive electrode slurry used for preparing positive electrode sheet comprises solvent and solid material comprising graphene powder, lithium iron phosphate and polyvinylidene fluoride.

GAO P, MA Y, GE M, CONG X, ZHANG Y, ZHANG L, ZHANG J, QU Y

Method for detecting graphene ash content, involves removing oxygen-containing functional group in graphene oxide, heating product until yellow smoke is dissipated, followed by subjecting calcined product to ash detection.

CAI Y, GAO P, YANG X, QU Y

Oxidized graphite alkene oxidation degree standard curve construction method, involves drawing standard degree curve of oxidized graphene standard sample based on specific absorbance ratios of oxidized graphene standard sample.

GAO P, CAI Y, QU Y, SUN P, WU Z