国家/地区 中国（4）
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC
发明人 ZHENG L（4）
公开年 2014（2） 2015（2）
申请年 2014（4）
专利权人 UNIV HEBEI T.（2）

Graphene oxide-based rare earth compound catalyst used for methane combustion comprises graphene oxide, perovskite-type rare earth oxide and ethylenediamine, hydrazine hydrate or urea as additive.

LING J, XUE G, ZHAO Y, HUANG Z, ZHENG L

Preparation of cobalt oxide/graphene composite absorbing material involves dissolving cobalt metal salt, ammonium fluoride and urea in water, dispersing graphene solid powder, reacting, washing with ethanol solution, and calcining.

JIANG Z, LIN Y, ZHENG L

Wide-range graphene high-temperature pressure sensor, has sensor unit connected with metal electrode, main contact point sputtered at side of center area, and bonding substrate etched with contact hole corresponding to contact position.

LI M, LI X, LIU S, WANG L, ZHENG L, JIN S

Composite absorbing material useful for absorbing e.g. heavy metal ion, comprises tourmaline, graphene oxide and sodium polysulfide.

LING J, TIAN L, XUE G, MIAO Y, ZHENG L