国家/地区 中国（3）
IPC部 D（3）
IPC大类 D01（3）
IPC小类 D01D（3）
IPC D01F001/10（3）
发明人 WANG K（2）
公开年 2022（3）
申请年 2022（2） 
专利权人

Core-shell structure shielding material comprises core layer including polyvinyl alcohol and multi-walled carbon nanotubes or graphene oxide, and shell layer including polyacrylonitrile and tungsten, tungsten(VI) oxide, bismuth(III) oxide or gadolinium(III) oxide.

YU C, YANG J, WU Y, SONG P, LI S, HE Z, GAO X

Preparing a electrospinning polyacrylonitrile-based piezoelectric nanogenerator used as signal source for collecting electric energy and sensor, comprises e.g. adding the components into ball milling tank, adding absolute ethyl alcohol for ball milling and drying to obtain material A.

CHEN Y, ZHANG H, BAI Z, LUAN Z, DUAN Q, LI J, QIAO J, WANG K, REN X, GAO S

Preparing metal-doped porous carbon fiber/graphene composite material with interconnected macropores involves adding graphene oxide into first treatment liquid, carrying out ultrasonic treatment, and dispersing ultrasonically.

WANG K, SONG W, LI M, WANG X, HE Y, XU C, LIU Z