Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction

Abstract CO2 methanation is a promising technology to enable the use of CO2 as a resource. Thermal control of CO2 methanation, which is a highly active exothermic reaction, is important to avoid thermal runaway and subsequent degradation of the catalyst. Using the heat storage capacity of a phase ch...

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Autores principales:	Tatsuya Takahashi, Hiroaki Koide, Hiroki Sakai, Daisuke Ajito, Ade Kurniawan, Yuji Kunisada, Takahiro Nomura
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/06c9d7a8dfd84b38b7835d0b2cab81c9
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spelling	oai:doaj.org-article:06c9d7a8dfd84b38b7835d0b2cab81c92021-12-02T14:17:27ZCatalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction10.1038/s41598-021-86117-12045-2322https://doaj.org/article/06c9d7a8dfd84b38b7835d0b2cab81c92021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86117-1https://doaj.org/toc/2045-2322Abstract CO2 methanation is a promising technology to enable the use of CO2 as a resource. Thermal control of CO2 methanation, which is a highly active exothermic reaction, is important to avoid thermal runaway and subsequent degradation of the catalyst. Using the heat storage capacity of a phase change material (PCM) for thermal control of the reaction is a novel passive approach. In this study a novel structure was developed, wherein catalysts were directly loaded onto a micro-encapsulated PCM (MEPCM). The MEPCM was prepared in three steps consisting of a boehmite treatment, precipitation treatment, and heat oxidation treatment, and an impregnation process was adopted to prepare a Ni catalyst. The catalyst-loaded MEPCM did not show any breakage or deformation of the capsule or a decrease in the heat storage capacity after the impregnation treatment. MEPCM demonstrated a higher potential as an alternative catalyst support in CO2 methanation than the commercially available α-Al2O3 particle. In addition, the heat storage capacity of the catalyst-loaded MEPCM suppressed the temperature rise of the catalyst bed at a high heat absorption rate (2.5 MW m−3). In conclusion, the catalyst-loaded MEPCM is a high-speed, high-precision thermal control device because of its high-density energy storage and resolution of a spatial gap between the catalyst and cooling devices. This novel concept has the potential to overcome the technical challenges faced by efficiency enhancement of industrial chemical reactions.Tatsuya TakahashiHiroaki KoideHiroki SakaiDaisuke AjitoAde KurniawanYuji KunisadaTakahiro NomuraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tatsuya Takahashi Hiroaki Koide Hiroki Sakai Daisuke Ajito Ade Kurniawan Yuji Kunisada Takahiro Nomura Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction
description	Abstract CO2 methanation is a promising technology to enable the use of CO2 as a resource. Thermal control of CO2 methanation, which is a highly active exothermic reaction, is important to avoid thermal runaway and subsequent degradation of the catalyst. Using the heat storage capacity of a phase change material (PCM) for thermal control of the reaction is a novel passive approach. In this study a novel structure was developed, wherein catalysts were directly loaded onto a micro-encapsulated PCM (MEPCM). The MEPCM was prepared in three steps consisting of a boehmite treatment, precipitation treatment, and heat oxidation treatment, and an impregnation process was adopted to prepare a Ni catalyst. The catalyst-loaded MEPCM did not show any breakage or deformation of the capsule or a decrease in the heat storage capacity after the impregnation treatment. MEPCM demonstrated a higher potential as an alternative catalyst support in CO2 methanation than the commercially available α-Al2O3 particle. In addition, the heat storage capacity of the catalyst-loaded MEPCM suppressed the temperature rise of the catalyst bed at a high heat absorption rate (2.5 MW m−3). In conclusion, the catalyst-loaded MEPCM is a high-speed, high-precision thermal control device because of its high-density energy storage and resolution of a spatial gap between the catalyst and cooling devices. This novel concept has the potential to overcome the technical challenges faced by efficiency enhancement of industrial chemical reactions.
format	article
author	Tatsuya Takahashi Hiroaki Koide Hiroki Sakai Daisuke Ajito Ade Kurniawan Yuji Kunisada Takahiro Nomura
author_facet	Tatsuya Takahashi Hiroaki Koide Hiroki Sakai Daisuke Ajito Ade Kurniawan Yuji Kunisada Takahiro Nomura
author_sort	Tatsuya Takahashi
title	Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction
title_short	Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction
title_full	Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction
title_fullStr	Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction
title_full_unstemmed	Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction
title_sort	catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/06c9d7a8dfd84b38b7835d0b2cab81c9
work_keys_str_mv	AT tatsuyatakahashi catalystloadedmicroencapsulatedphasechangematerialforthermalcontrolofexothermicreaction AT hiroakikoide catalystloadedmicroencapsulatedphasechangematerialforthermalcontrolofexothermicreaction AT hirokisakai catalystloadedmicroencapsulatedphasechangematerialforthermalcontrolofexothermicreaction AT daisukeajito catalystloadedmicroencapsulatedphasechangematerialforthermalcontrolofexothermicreaction AT adekurniawan catalystloadedmicroencapsulatedphasechangematerialforthermalcontrolofexothermicreaction AT yujikunisada catalystloadedmicroencapsulatedphasechangematerialforthermalcontrolofexothermicreaction AT takahironomura catalystloadedmicroencapsulatedphasechangematerialforthermalcontrolofexothermicreaction
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Catalyst-loaded micro-encapsulated phase change material for thermal control of exothermic reaction

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