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

Device for preparing two-dimensional layered material, has chassis used as supporting platform of whole device, motor provided with small belt pulley, and cathode provided with second conductive slip ring, which is connected with third conductive slip ring through fixed middle shaft.

QIAN Y, WANG F, SHEN B, DU Z, ZHU Y, DENG X, PEI X, LI M, CHEN W, XU C, XU W, CHEN J

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