国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（4） C01G（3）
IPC C01B032/184（2） C01G031/00（2）
发明人 ZHANG C（7）
公开年 2023（7）
申请年 2023（7）
专利权人 HUNAN ZHONGX.（3） UNIV NANJING.（2）

Purification of ammonium metavanadate for preparing vanadium pentoxide, involves dripping prepared modified magnesium chloride graphene dispersion reducing agent into ammonium metavanadate graphene solution, reacting, adding ammonium metavanadate crystal, and drying.

ZHANG C

Method for preparing material graphene high molecular polymer powder, involves performing laser calcining and carving of surface of substrate to be converted by laser engraving machine for converting mixture of high molecular polymer and silicon rubber into corresponding pattern of graphene.

QU M, CAI Y, ZHANG C

Method for preparing material by graphene waste mask, involves extracting polypropylene layer material in disposable medical mask, soaking it in the liquid silica gel, and laser calcining surface of film by laser engraving machine converting polypropylene layer material.

CAI Y, QU M, ZHANG C

Method for preparing graphene sub-nanoscale gap by feedback control electric breakdown, involves stopping voltage to apply to two ends of single-layer graphene nanoribbon when resistance of single-layer graphene nanoribbon reaches preset resistance to construct and obtain graphene sub-nanoscale gap.

SU M, HONG W, LIU J, ZHANG C, YUAN Z

Synthesizing graphene oxide grafted with p-cyanophenyl azo useful for providing wave-absorbing material, comprises adding oxidized graphene into water, adjusting pH of solution, adding prepared diazonium salt solution, stirring, heating, coupling, cooling, filtering, drying and purifying.

NI M, ZHANG C

Recycling and purifying sodium molybdatem in ammonium metavanadate comprises adding raw material ammonium metavanadate into hot water, dissolving, adding aqueous water, magnesium sulfate, filtering, and mixing with sodium silicate.

ZHANG C

Removing harmful elements in ammonium metavanadate by reduction method comprises e.g. obtaining modified graphene oxalate dispersion reducing agent, adding ammonium metavanadate graphene solution, reacting, filtering, adding ammonium metavanadate crystals, recrystallizing, separating, and drying.

ZHANG C