The discovery of alternative methods of producing electrical energy that avoid the generation of greenhouse gases and do not contribute to global warming is a compelling problem of our time. Ubiquitous, but often highly distributed, sources of energy on earth exist in the small-temperature-difference regime, 10-250degC. In this review, we discuss a family of methods that can potentially recover this energy based on the use of first-order phase transformations in crystalline materials combined with ferromagnetism or ferroelectricity. The development of this technology will require a better understanding of these phase transformations, especially ferroelectric/ferromagnetic properties, hysteresis, and reversibility, as well as strategies for discovering improved materials.
|Original language||English (US)|
|Title of host publication||Annual Review of Materials Research|
|Publisher||Annual Reviews Inc.|
|Number of pages||36|
|State||Published - Jul 1 2020|
|Name||Annual Review of Materials Research|
Bibliographical notePublisher Copyright:
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- energy conversion
- first-order phase transformation
- small-temperature-difference regime