β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries?

Silicon is a promising material for anodes in future generations of LIBs. However, its volume changes during the lithiation/delithiation process that degrades battery performance, making it an impractical alternative. To mitigate this issue, we have found a viable alternate solution, which is the pr...

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Detalles Bibliográficos
Autores principales: Ortiz, Mariela, Sanservino, Miguel Ángel, Visintin, Arnaldo, Pizarro, Guadalupe, Tundidor Camba, Schott,Eduardo, Sepulveda, Andrés, Zúñiga, César, Oyarzún, Diego, Martin Trasancos, Rudy
Formato: Articulo
Lenguaje:Inglés
Publicado: 2024
Materias:
Química
Carbohydrate-containing polymer binders
Supramolecular crosslinking
Silicon anodes
Energy storage
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/167241
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-167241
record_format dspace
spelling I19-R120-10915-1672412024-06-13T20:09:34Z http://sedici.unlp.edu.ar/handle/10915/167241 β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries? Ortiz, Mariela Sanservino, Miguel Ángel Visintin, Arnaldo Pizarro, Guadalupe Tundidor Camba Schott,Eduardo Sepulveda, Andrés Zúñiga, César Oyarzún, Diego Martin Trasancos, Rudy 2024 2024-06-13T18:08:45Z en Química Carbohydrate-containing polymer binders Supramolecular crosslinking Silicon anodes Energy storage Silicon is a promising material for anodes in future generations of LIBs. However, its volume changes during the lithiation/delithiation process that degrades battery performance, making it an impractical alternative. To mitigate this issue, we have found a viable alternate solution, which is the preparation of adamantanepolyacrylic acid (AdEN-AA) and β-cyclodextrin-polyacrylic acid (βCD6A-AA) polymers as supramolecular binders. The advantage of these binders is that polymers leverage host-guest interactions. To carry out this research, we prepared the anode materials in water and in NMP, and then we studied their capacity to crosslink and gel. Additionally, we examined the extent of the supramolecular interaction vs. hydrogen bond. Thermogravimetric analysis showed that the thermal stability of the mixture of complementary polymer increased in the following order: AdEN-AA/βCD6A-AA in NMP < βCD6A-AA/PAA < AdEN-AA/βCD6A-AA, with the latter two in water. Accordingly, the anode material prepared in water shows the highest stability, retaining capacities of over 1000 mAhg-1 after 90 cycles vs. 279 mAhg-1 of the electrode prepared in NMP. The results agreed with the SEM micrographs of the anode material, in which the slurry prepared in water showed better integrity of the silicon nanoparticles and of solid electrolyte interphase than the slurry prepared in NMP. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas Articulo Articulo http://creativecommons.org/licenses/by-nc-nd/4.0/ Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) application/pdf
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Química
Carbohydrate-containing polymer binders
Supramolecular crosslinking
Silicon anodes
Energy storage
spellingShingle Química
Carbohydrate-containing polymer binders
Supramolecular crosslinking
Silicon anodes
Energy storage
Ortiz, Mariela
Sanservino, Miguel Ángel
Visintin, Arnaldo
Pizarro, Guadalupe
Tundidor Camba
Schott,Eduardo
Sepulveda, Andrés
Zúñiga, César
Oyarzún, Diego
Martin Trasancos, Rudy
β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries?
topic_facet Química
Carbohydrate-containing polymer binders
Supramolecular crosslinking
Silicon anodes
Energy storage
description Silicon is a promising material for anodes in future generations of LIBs. However, its volume changes during the lithiation/delithiation process that degrades battery performance, making it an impractical alternative. To mitigate this issue, we have found a viable alternate solution, which is the preparation of adamantanepolyacrylic acid (AdEN-AA) and β-cyclodextrin-polyacrylic acid (βCD6A-AA) polymers as supramolecular binders. The advantage of these binders is that polymers leverage host-guest interactions. To carry out this research, we prepared the anode materials in water and in NMP, and then we studied their capacity to crosslink and gel. Additionally, we examined the extent of the supramolecular interaction vs. hydrogen bond. Thermogravimetric analysis showed that the thermal stability of the mixture of complementary polymer increased in the following order: AdEN-AA/βCD6A-AA in NMP < βCD6A-AA/PAA < AdEN-AA/βCD6A-AA, with the latter two in water. Accordingly, the anode material prepared in water shows the highest stability, retaining capacities of over 1000 mAhg-1 after 90 cycles vs. 279 mAhg-1 of the electrode prepared in NMP. The results agreed with the SEM micrographs of the anode material, in which the slurry prepared in water showed better integrity of the silicon nanoparticles and of solid electrolyte interphase than the slurry prepared in NMP.
format Articulo
Articulo
author Ortiz, Mariela
Sanservino, Miguel Ángel
Visintin, Arnaldo
Pizarro, Guadalupe
Tundidor Camba
Schott,Eduardo
Sepulveda, Andrés
Zúñiga, César
Oyarzún, Diego
Martin Trasancos, Rudy
author_facet Ortiz, Mariela
Sanservino, Miguel Ángel
Visintin, Arnaldo
Pizarro, Guadalupe
Tundidor Camba
Schott,Eduardo
Sepulveda, Andrés
Zúñiga, César
Oyarzún, Diego
Martin Trasancos, Rudy
author_sort Ortiz, Mariela
title β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries?
title_short β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries?
title_full β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries?
title_fullStr β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries?
title_full_unstemmed β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: N-methylpyrrolidone or water for preparing the slurries?
title_sort β-cyclodextrin and adamantane polyacrylic acid copolymers as supramolecular binder for silicon anodes: n-methylpyrrolidone or water for preparing the slurries?
publishDate 2024
url http://sedici.unlp.edu.ar/handle/10915/167241
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