国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B032/194（7）
发明人 ZHANG W（7）
公开年 2022（4） 2021（2）
申请年 2022（4）  2021（2） 
专利权人

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

Method for doping large-range nanoparticle continuously-adjustable graphene in electronic information material and component field, involves depositing layer of tin oxide film on graphene, and performing annealing treatment on structure to obtain doped graphene.

ZHANG W, LI X, HUANG Z, QIAN L

Preparing tricobalt tetroxide/nitrogen-doped graphene oxide material useful as sodium ion battery cathode material, comprises e.g. mixing graphene oxide, nitrogen source, cobalt source and water, subjecting suspension to hydrothermal reaction, directly freeze-drying precursor solution.

FANG X, DAI Z, LI D, TANG H, LEI Z, WU Y, TANG L, YUE C, ZHANG W, HU M, CHEN J

Lithium supplement material for composite positive electrode of lithium ion batteries, comprises porous graphene doped with nitrogen, boron, sulfur, fluorine, iron, copper, cobalt, nickel and/or zinc, as catalyst, and organic lithium salt.

ZHONG W, LI S, ZHANG W, XIE J

Preparation of iron cobalt sulfide-nitrogen and sulfur heteroatom reduction oxidation graphene, involves using calcining method to thiourea, and using two-step hydrothermal method.

LI C, YU F, YU W, HE T, DUAN Y, WANG L, YANG D, LIU S, ZHANG W

Method for preparation of graphene-based electromagnetic meta materia, involves using line scanning model in simulation software, placing conductive material in vacancy of upper surface of first substrate, and preparing graphene oxide.

ZHANG W, WANG Z, NIE W

Making holes in graphene comprises e.g. utilizing the metal substrate of the graphene without removing the metal substrate to react with the added element to generate the compound with bump or spine shape, and piercing the graphene.

ZHU X, WU Y, ZONG L, WANG Y, YUAN C, MAN Z, WANG X, WU J, ZHANG W