Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators

Abstract We succeed in fabricating nearly straight nanopores in cellulose acetate (CA) polymers for use as battery gel separators by utilizing an inorganic hexahydrate (Ni(NO3)2·6H2O) complex and isostatic water pressure treatment. The continuous nanopores are generated when the polymer film is expo...

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Autores principales:	Woong Gi Lee, Do Hyeong Kim, Woo Cheol Jeon, Sang Kyu Kwak, Seok Ju Kang, Sang Wook Kang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9d2bc42ce3324f7f8c0a1a5d8858f3f1
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spelling	oai:doaj.org-article:9d2bc42ce3324f7f8c0a1a5d8858f3f12021-12-02T11:40:34ZFacile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators10.1038/s41598-017-01399-82045-2322https://doaj.org/article/9d2bc42ce3324f7f8c0a1a5d8858f3f12017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01399-8https://doaj.org/toc/2045-2322Abstract We succeed in fabricating nearly straight nanopores in cellulose acetate (CA) polymers for use as battery gel separators by utilizing an inorganic hexahydrate (Ni(NO3)2·6H2O) complex and isostatic water pressure treatment. The continuous nanopores are generated when the polymer film is exposed to isostatic water pressure after complexing the nickel(II) nitrate hexahydrate (Ni(NO3)2·6H2O) with the CA. These results can be attributed to the manner in which the polymer chains are weakened because of the plasticization effect of the Ni(NO3)2·6H2O that is incorporated into the CA. Furthermore, we performed extensive molecular dynamics simulation for confirming the interaction between electrolyte and CA separator. The well controlled CA membrane after water pressure treatment enables fabrication of highly reliable cell by utilizing 2032-type coin cell structure. The resulting cell performance exhibits not only the effect of the physical morphology of CA separator, but also the chemical interaction of electrolyte with CA polymer which facilitates the Li-ion in the cell.Woong Gi LeeDo Hyeong KimWoo Cheol JeonSang Kyu KwakSeok Ju KangSang Wook KangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Woong Gi Lee Do Hyeong Kim Woo Cheol Jeon Sang Kyu Kwak Seok Ju Kang Sang Wook Kang Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators
description	Abstract We succeed in fabricating nearly straight nanopores in cellulose acetate (CA) polymers for use as battery gel separators by utilizing an inorganic hexahydrate (Ni(NO3)2·6H2O) complex and isostatic water pressure treatment. The continuous nanopores are generated when the polymer film is exposed to isostatic water pressure after complexing the nickel(II) nitrate hexahydrate (Ni(NO3)2·6H2O) with the CA. These results can be attributed to the manner in which the polymer chains are weakened because of the plasticization effect of the Ni(NO3)2·6H2O that is incorporated into the CA. Furthermore, we performed extensive molecular dynamics simulation for confirming the interaction between electrolyte and CA separator. The well controlled CA membrane after water pressure treatment enables fabrication of highly reliable cell by utilizing 2032-type coin cell structure. The resulting cell performance exhibits not only the effect of the physical morphology of CA separator, but also the chemical interaction of electrolyte with CA polymer which facilitates the Li-ion in the cell.
format	article
author	Woong Gi Lee Do Hyeong Kim Woo Cheol Jeon Sang Kyu Kwak Seok Ju Kang Sang Wook Kang
author_facet	Woong Gi Lee Do Hyeong Kim Woo Cheol Jeon Sang Kyu Kwak Seok Ju Kang Sang Wook Kang
author_sort	Woong Gi Lee
title	Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators
title_short	Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators
title_full	Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators
title_fullStr	Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators
title_full_unstemmed	Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators
title_sort	facile control of nanoporosity in cellulose acetate using nickel(ii) nitrate additive and water pressure treatment for highly efficient battery gel separators
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/9d2bc42ce3324f7f8c0a1a5d8858f3f1
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Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators

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