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Waste tire rubber-based refrigerants for solid-state cooling devices
Molina Bom, Nicolau (Institut Català de Nanociència i Nanotecnologia)
Usuda, Érik Oda (Universidade Federal de São Paulo)
Da Silva Gigliotti, Mariana (Universidade Estadual de Campinas. Instituto de Física "Gleb Wataghin")
Aguiar, Denilson (Universidade Tecnológica Federal do Paraná)
Imamura, William (Universidade Estadual de Campinas. Faculdade de Engenharia Mecânica)
Paixão, Lucas Soares (Universidade Estadual de Campinas. Instituto de Física "Gleb Wataghin")
Carvalho, A. Magnus G. (Universidade Estadual de Campinas. Faculdade de Engenharia Mecânica)

Data: 2020
Resum: Management of discarded tires is a compelling environmental issue worldwide. Although there are several approaches developed to recycle waste tire rubbers, their application in solid-state cooling is still unexplored. Considering the high barocaloric potential verified for elastomers, the use of waste tire rubber (WTR) as a refrigerant in solid-state cooling devices is very promising. Herein, we investigated the barocaloric effects in WTR and polymer blends made of vulcanized natural rubber (VNR) and WTR, to evaluate its feasibility for solid-state cooling technologies. The adiabatic temperature changes and the isothermal entropy changes reach giant values, as well as the performance parameters, being comparable or even better than most barocaloric materials in literature. Moreover, pure WTR and WTR-based samples also present a faster thermal exchange than VNR, consisting of an additional advantage of using these discarded materials. Thus, the present findings evidence the encouraging perspectives of employing waste rubbers in solid-state cooling based on barocaloric effects, contributing to both the recycling of polymers and the sustainable energy technology field.
Nota: Ajuts: the authors acknowledge financial support from FAPESP (project number 2016/22934-3), CNPq and CAPES. The authors also thank LNLS and CNPEM.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; submittedVersion
Matèria: Waste tire rubber ; Solid-state cooling ; Barocaloric effect ; Tire recycling ; Sustainable energy
Publicat a: Chinese Journal of Polymer Science (English Edition), Vol. 38, issue 7 (July 2020) , p. 769-775, ISSN 1439-6203

DOI: 10.1007/s10118-020-2385-y

19 p, 874.7 KB

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Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > Institut Català de Nanociència i Nanotecnologia (ICN2)
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 Registre creat el 2020-11-18, darrera modificació el 2021-01-13

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