Power generation system
A power generation system using ferroelectric ceramics with a Curie temperature of 90 °C or less generates electricity through internal repolarization from temperature changes, addressing the need for external fields and control circuits in existing systems.
DE112020006914B4Active Publication Date: 2026-03-19MURATA MFG CO LTD
Patent Information
- Application Number
- DE112020006914
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2020-11-27
- Publication Date
- 2026-03-19
- Estimated Expiration
- 2040-11-27
AI Technical Summary
Technical Problem
Existing power generation systems using ferroelectric materials require an external electric field and control circuit for generating electricity, which complicates the setup and increases costs.
Method used
A power generation system utilizing a ferroelectric ceramic with a Curie temperature of 90 °C or less, which generates current through space charge polarization induced by a time-dependent temperature change without the need for an external electric field or control circuit.
Benefits of technology
The system efficiently generates electricity by repolarizing ferroelectric polarization internally, eliminating the need for external circuits and control systems, thus simplifying the setup and reducing costs.
✦ Generated by Eureka AI based on patent content.
Smart Images
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Abstract
Power generation system, comprising: a ceramic element comprising a ferroelectric ceramic with a Curie temperature of 90 °C or less; and a current extraction device for extracting current from the ceramic element, where The ferroelectric ceramic exhibits a space charge polarization, and The power generation system generates electricity by applying a temporal temperature change beyond the Curie temperature to the ferroelectric ceramic.
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Citation Information
Patent Citations
Power generating system
JP2014113029A
JP002014113029A