国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4） A61（2） C02（2）
C09（2）
IPC小类 C08J（4）
IPC C08J009/36（4）
发明人 LI C（4）
公开年 2023（2）
申请年 2023（2） 
专利权人 ZHEJIANG LAB（2）

Transparent piezoelectric film useful for preparing ultrasonic transducer, comprises e.g. composite heterojunction particles are chemical heterojunction formed between conductive particles and transparent inorganic piezoelectric phase particles.

GAO D, WANG Y, LI C, CHEN R, SHI J, YIN Y, REN D

Stretchable piezoelectric film useful in preparing ultrasonic transducer, comprises porous cellulose-based polymer, and piezoelectric active material loaded in pores of porous cellulose-based polymer, where piezoelectric active material comprises organic piezoelectric phase.

GAO D, WANG Y, LI C, CHEN R, SHI J, YIN Y, REN D

Composite hydrogel sponge useful in field of seawater desalination, comprises water supply layer and evaporation layer that are stacked successively; material of water supply layer is polyacrylamide hydrogel; material of evaporation layer is polyacrylamide/graphene composite hydrogel.

LI S, LI T, WU Z, HU Z, LAI X, WANG D, LI C, WANG W, LI L

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y