Solid state generators and energy harvesters for waste heat recovery and thermal energy harvesting

Zabek, D. ORCID: https://orcid.org/0000-0001-5856-5301 and Morini, F. 2019. Solid state generators and energy harvesters for waste heat recovery and thermal energy harvesting. Thermal Science and Engineering Progress 9 , pp. 235-247. 10.1016/j.tsep.2018.11.011

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Abstract

This review covers solid state thermal to electrical energy converters capable of transforming low grade heat directly into electricity for waste heat recovery and thermal energy harvesting. Direct solid state heat engines, such as thermoelectric modules and thermionic converters for spatial temperature gradients, are compared with pyroelectric energy harvesters and thermomagnetic generators for transient changes in temperature. Temperature and size limitations along with the maturity of the technologies are discussed based on energy density and temperature range for the different generator technologies. Despite the low energy conversion efficiency with solid state generators, electric power density ranges from 4 nW/mm2 to 324 mW/mm2. The most promising sector to implement changes while reducing the primary energy consumption and saving resources, is the processing industry along with stationary and mobile electronics.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
ISSN:	2451-9049
Date of First Compliant Deposit:	17 January 2020
Date of Acceptance:	21 November 2018
Last Modified:	05 May 2023 06:47
URI:	https://orca.cardiff.ac.uk/id/eprint/128670

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