国家/地区 中国（4）
IPC部 C（4）
IPC大类 A61（2） C01（2） C08（2）
C09（2）
IPC小类 A61B（2） C01B（2） C08J（2）
C08L（2）
IPC A61B008/00（2） C08J005/18（2） C08J009/36（2）
C08L001/28（2）
发明人 CHEN R（2） GAO D（2） LI C（2）
REN D（2） SHI J（2） WANG Y（2）
YIN Y（2）
公开年 2023（4）
申请年 2022（2）  2023（2） 
专利权人 ZHEJIANG LAB（4）

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

Preparing self-supporting three-dimensional graphene framework used in field of heat dissipation, comprises e.g. adding metal foam to graphene oxide solution, coating polymethyl methacrylate on graphene skeleton-metal foam, removing metal foam and polymethyl methacrylate, cleaning and freeze-drying.

ZHANG J, SUN S, WANG J, ZHAO Y

Graphene robot for freely walking on water surface, is formed by mechanically cutting hydrophobic graphene, preparing oxidized graphene in water by improved Hummer method to obtain oxidized graphene aqueous dispersion and utilizing graphene dispersion liquid by suction filtering and spin coating.

MA S, ZHANG L, XIAO J