国家/地区 中国（6） 世界知识产权组织（2）
IPC部 C（6）
IPC大类 C02（6）
IPC小类 C02F（6） C01B（2）
IPC C02F001/14（6）
发明人 CHENG H（6）
公开年 2018（2） 2019（2）
申请年 2019（2） 
专利权人 UNIV TSINGHU.（5）

Preparing solar water evaporation material comprises e.g. fixing porous metal foam and metal foil, preparing light absorbing surface, coating black body coating, dropping aqueous solution of hydrophilic polymer material, freezing and drying.

QU L, YAO H, CHENG H

Photothermal conversion material comprises aerogel matrix comprising graphene and hygroscopic polymer containing polyhydrophilic polymer.

QU L, YAO H, CHENG H

Flexible photothermal conversion material useful in seawater desalination, comprises photothermal conversion active material comprising graphene and binder supported on flexible substrate.

QU L, YAO H, CHENG H

Photothermal conversion material for seawater desalination, sewage treatment, comprises columnar structures spaced apart from one surface of substrate, where material forming substrate and columnar structures having graphene foam.

QU L, ZHANG P, CHENG H

Preparation of graphene solar water cleaning foam for use in sewage purification treatment, involves subjecting graphite powder to oxidation treatment, and mixing aqueous graphene oxide solution with low freezing point solvent.

QU L, CHENG H, ZHANG P

Preparation of graphene photothermal conversion material used for, e.g. seawater desalination by mixing graphene powder, polymer material and solvent, adding to mold, heating, and subjecting bottom side to hydrophilization treatment.

PEI S, HUANG K, REN W, CHENG H