公开(公告)号：US20230058826A1

公开(公告)日：2023-02-23

申请号：US17889876

申请日：2022-08-17

Applicant: Korea Institute of Science and Technology

Inventor： Hyun Cheol SONG ,  Chong Yun KANG ,  Sung Hoon HUR ,  Seung Hyub BAEK ,  Seong Keun KIM ,  Ji Won CHOI ,  Jung Ho YOON ,  Hyun Soo KIM

IPC: B60C23/04 ,  H02N2/18

Abstract: Provided is an apparatus for generating direct current using continuous polarization change of piezoelectric materials. For example, a piezoelectric direct current generator includes a first electrode, a polarized piezoelectric material layer disposed on a first surface of the first electrode, and a second electrode disposed on a surface opposite to the first electrode and coupled to move along the piezoelectric material layer while pressing the piezoelectric material layer.