国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7） H01（3）
IPC小类 C01B（7）
IPC C01B032/194（7）
发明人 LI J（7）
公开年 2023（7）
申请年 2022（5） 
专利权人

Preparing magnetic fluorescent graphene, involves grinding graphite flakes and stainless steel needles magnetically, oxidizing with concentrated nitric acid and concentrated sulfuric acid, then ultrasonicating, calcining, dissolving in deionized water, suction filtering, dialyzing, and freeze-drying.

SONG Z, LI J, LIU Y, ZHAO Z, ZHANG B

Non-agglomerated graphene powder material comprises two-dimensional graphene with small sheet diameter and thickness of two-dimensional graphene is thickness of single-layer carbon atom layer.

LI J, YE L, YANG B

Preparing coating layer state controllable yttrium oxide nano-crystal coated graphene material involves firstly graphene material with different volume fractions is acid-washed to remove impurities, graphene material into mixing uniformly to obtain mixed solution, heating and stirring mixed solution.

TANG B, ZHOU X, WAN J, LI J, YAN Q, CHEN B

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

Modified laser-induced graphene composite material based on magnetic-induced doping, obtained by laser-induced graphene-doped magnetic polystyrene microspheres and its distribution induced by an external magnetic field.

LI T, LI J, MAO L

Preparing lithium ion carbon cathode material by using organophosphorus modified graphene oxide surface method comprises dispersing graphene oxide in tetrahydrofuran, oscillating, adding thionyl chloride, refluxing, filtering, washing, adding e.g. triethyl phosphite, reacting, washing and drying.

WANG S, MENG X, ZHANG W, ZHANG D, LI L, LI J, XU G, ZHOU W, WANG L, MO B, WANG K

Preparing carbon/graphene/lithium titanate composite cathode material comprises e.g. adding sulfuric acid into three-necked flask, dissolving titanium source composite in isopropanol, ultrasonically treating, calcining powder, and adding composite material into absolute ethanol.

CAI H, WU X, ZHANG P, LI X, LI J, LAI X, ZHU J