国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B027/02（2）
发明人
公开年 2023（2）
申请年
专利权人

Piezoelectric fiber composite material prepared by alternately stacking piezoelectric fiber layers and dielectric elastic fiber layers and carrying out hot-pressing treatment.

CHEN Y, XUE R, SHI Q

Graphene filter film comprises first non-woven fabric layer, graphene layer and second non-woven fabric layer arranged in sequentially, where each layer is embedded with each other at connection position.

JU Y, YI J, WANG W, WANG D