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Thermal energy harvesting from slow variations in environmental temperatures

Thermal energy harvesting from slow variations in environmental temperatures
Thermal energy harvesting from slow variations in environmental temperatures
With the Internet of Things expanding to more locations across our planet, power becomes the main factor affecting device longevity. There is a need for more novel energy harvesting systems that are able to power remote devices for sustained periods. This publication presents one such device. Based on a novel actuator that utilises off-the-shelf gas mixtures to generate a variable force from temperature change, this publication presents a device capable of generating up to 150mJ per diurnal temperature cycle; this is enough electrical energy to send up to three LoRaWAN transmissions per day using slowly changing environmental temperatures.
energy harvesting, phase change materials, environmental sensing
2072-666X
Curry, Joshua
b1fd94cf-f37d-4d69-ab7d-62364185c466
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
White, Neil
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Curry, Joshua
b1fd94cf-f37d-4d69-ab7d-62364185c466
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
White, Neil
c7be4c26-e419-4e5c-9420-09fc02e2ac9c

Curry, Joshua, Harris, Nick and White, Neil (2023) Thermal energy harvesting from slow variations in environmental temperatures. Micromachines, 14 (6), [1202]. (doi:10.3390/mi14061202).

Record type: Article

Abstract

With the Internet of Things expanding to more locations across our planet, power becomes the main factor affecting device longevity. There is a need for more novel energy harvesting systems that are able to power remote devices for sustained periods. This publication presents one such device. Based on a novel actuator that utilises off-the-shelf gas mixtures to generate a variable force from temperature change, this publication presents a device capable of generating up to 150mJ per diurnal temperature cycle; this is enough electrical energy to send up to three LoRaWAN transmissions per day using slowly changing environmental temperatures.

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More information

Accepted/In Press date: 2 June 2023
e-pub ahead of print date: 6 June 2023
Published date: 2023
Keywords: energy harvesting, phase change materials, environmental sensing

Identifiers

Local EPrints ID: 496741
URI: http://eprints.soton.ac.uk/id/eprint/496741
ISSN: 2072-666X
PURE UUID: a9c424bd-d5cf-4ab1-ac0f-dfa0a5ebade5
ORCID for Joshua Curry: ORCID iD orcid.org/0000-0003-1065-8490
ORCID for Nick Harris: ORCID iD orcid.org/0000-0003-4122-2219
ORCID for Neil White: ORCID iD orcid.org/0000-0003-1532-6452

Catalogue record

Date deposited: 07 Jan 2025 22:11
Last modified: 22 Aug 2025 02:42

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Contributors

Author: Joshua Curry ORCID iD
Author: Nick Harris ORCID iD
Author: Neil White ORCID iD

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