国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B033/12（5）
发明人
公开年 2019（5）
申请年 2019（5） 
专利权人

Preparing microspheres involves placing graphene oxide microspheres under atmosphere of inert gas, dispersing graphene microsphere into ethyl orthosilicate, dispersing orthoethyl silicate, and coating graphene microspheres with silica layer.

HAN J, SHEN Y, CHEN Q, FENG Y, MA J, ZHONG M

Preparation of composite material involves coating silicon dioxide-modified graphene oxide on surface of cationic polystyrene microspheres, calcining and reducing obtained composite, mixing with polyvinylidene fluoride and forming film.

GUO H, YANG B, HUANG G, LI Y, LI S, WEN F, XU Q

Preparing superhydrophobic silicon dioxide comprises mixing natural quartz sand powder and graphene powder, sintering, acid washing, oxidizing, mixing with natural quartz sand powder, and sintering under oxidizing or reducing atmosphere.

LIU J, CHEN C, CHEN W, YANG P, OUYANG X, SUN X, WU Q

Composite material having absorbing properties for e.g. military applications, is prepared by doping ferroferric oxide with silicon dioxide and forming one-dimensional nanosphere chain structure, and embedding reduced graphene oxide layer.

WANG K

Silica/graphene three-dimensional composite material used in pressure sensor, comprises three-dimensional graphene foam matrix and silica/graphene composite having core-shell structure with silica particles as core and graphene as casing.

SUN T, SHI H, WEI D, ZHAO B