US 12,114,574 B2
Power generation system
Tomoyasu Usui, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Nagaokakyo (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Nov. 9, 2022, as Appl. No. 17/983,579.
Application 17/983,579 is a continuation of application No. PCT/JP2020/044353, filed on Nov. 27, 2020.
Claims priority of application No. 2020-086584 (JP), filed on May 18, 2020.
Prior Publication US 2023/0077655 A1, Mar. 16, 2023
Int. Cl. H10N 15/10 (2023.01); H02N 2/00 (2006.01); H02N 10/00 (2006.01); H02N 11/00 (2006.01)
CPC H10N 15/15 (2023.02) 20 Claims
OG exemplary drawing
 
1. A power generation system comprising:
a ceramic element including a ferroelectric ceramic having a Curie temperature of 90° C. or lower and a space charge polarization; and
a power extraction device that extracts power from the ceramic element when a temporal temperature change exceeding the Curie temperature is applied to the ferroelectric ceramic.