Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks

Water adsorption is becoming increasingly important for many applications including thermal energy storage, desalination, and water harvesting. To develop such applications, it is essential to understand both adsorbent-adsorbate and adsorbate-adsorbate interactions, and also the energy required for...

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Autores principales: Kim, Hyunho, Cho, H. Jeremy, Narayanan, Shankar, Yang, Sungwoo, Furukawa, Hiroyasu, Schiffres, Scott, Li, Xiansen, Zhang, Yue-Biao, Jiang, Juncong, Yaghi, Omar M., Wang, Evelyn N.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4726357/
https://www.ncbi.nlm.nih.gov/pubmed/26796523
http://dx.doi.org/10.1038/srep19097
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author Kim, Hyunho
Cho, H. Jeremy
Narayanan, Shankar
Yang, Sungwoo
Furukawa, Hiroyasu
Schiffres, Scott
Li, Xiansen
Zhang, Yue-Biao
Jiang, Juncong
Yaghi, Omar M.
Wang, Evelyn N.
author_facet Kim, Hyunho
Cho, H. Jeremy
Narayanan, Shankar
Yang, Sungwoo
Furukawa, Hiroyasu
Schiffres, Scott
Li, Xiansen
Zhang, Yue-Biao
Jiang, Juncong
Yaghi, Omar M.
Wang, Evelyn N.
author_sort Kim, Hyunho
collection PubMed
description Water adsorption is becoming increasingly important for many applications including thermal energy storage, desalination, and water harvesting. To develop such applications, it is essential to understand both adsorbent-adsorbate and adsorbate-adsorbate interactions, and also the energy required for adsorption/desorption processes of porous material-adsorbate systems, such as zeolites and metal-organic frameworks (MOFs). In this study, we present a technique to characterize the enthalpy of adsorption/desorption of zeolites and MOF-801 with water as an adsorbate by conducting desorption experiments with conventional differential scanning calorimetry (DSC) and thermogravimetric analyzer (TGA). With this method, the enthalpies of adsorption of previously uncharacterized adsorbents were estimated as a function of both uptake and temperature. Our characterizations indicate that the adsorption enthalpies of type I zeolites can increase to greater than twice the latent heat whereas adsorption enthalpies of MOF-801 are nearly constant for a wide range of vapor uptakes.
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spelling pubmed-47263572016-01-27 Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks Kim, Hyunho Cho, H. Jeremy Narayanan, Shankar Yang, Sungwoo Furukawa, Hiroyasu Schiffres, Scott Li, Xiansen Zhang, Yue-Biao Jiang, Juncong Yaghi, Omar M. Wang, Evelyn N. Sci Rep Article Water adsorption is becoming increasingly important for many applications including thermal energy storage, desalination, and water harvesting. To develop such applications, it is essential to understand both adsorbent-adsorbate and adsorbate-adsorbate interactions, and also the energy required for adsorption/desorption processes of porous material-adsorbate systems, such as zeolites and metal-organic frameworks (MOFs). In this study, we present a technique to characterize the enthalpy of adsorption/desorption of zeolites and MOF-801 with water as an adsorbate by conducting desorption experiments with conventional differential scanning calorimetry (DSC) and thermogravimetric analyzer (TGA). With this method, the enthalpies of adsorption of previously uncharacterized adsorbents were estimated as a function of both uptake and temperature. Our characterizations indicate that the adsorption enthalpies of type I zeolites can increase to greater than twice the latent heat whereas adsorption enthalpies of MOF-801 are nearly constant for a wide range of vapor uptakes. Nature Publishing Group 2016-01-22 /pmc/articles/PMC4726357/ /pubmed/26796523 http://dx.doi.org/10.1038/srep19097 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Kim, Hyunho
Cho, H. Jeremy
Narayanan, Shankar
Yang, Sungwoo
Furukawa, Hiroyasu
Schiffres, Scott
Li, Xiansen
Zhang, Yue-Biao
Jiang, Juncong
Yaghi, Omar M.
Wang, Evelyn N.
Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks
title Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks
title_full Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks
title_fullStr Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks
title_full_unstemmed Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks
title_short Characterization of Adsorption Enthalpy of Novel Water-Stable Zeolites and Metal-Organic Frameworks
title_sort characterization of adsorption enthalpy of novel water-stable zeolites and metal-organic frameworks
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4726357/
https://www.ncbi.nlm.nih.gov/pubmed/26796523
http://dx.doi.org/10.1038/srep19097
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