Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition
Abstract The paper presents a new method for modifying polyolefin membranes using chitosan deposition in order to apply them as a separator in the redox flow batteries with an aqueous electrolyte. Chitosan is deposited from an aqueous carbonic acid under high pressure of saturating carbon dioxide, w...
Published in: | Journal of Applied Polymer Science |
---|---|
Main Authors: | , , , |
Other Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2021
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1002/app.50619 https://onlinelibrary.wiley.com/doi/pdf/10.1002/app.50619 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/app.50619 |
id |
crwiley:10.1002/app.50619 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1002/app.50619 2024-03-17T08:57:24+00:00 Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition Zefirov, Vadim V. Sizov, Victor E. Gulin, Alexander A. Gallyamov, Marat O. Foundation for the Advancement of Theoretical Physics and Mathematics Russian Foundation for Basic Research 2021 http://dx.doi.org/10.1002/app.50619 https://onlinelibrary.wiley.com/doi/pdf/10.1002/app.50619 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/app.50619 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Applied Polymer Science volume 138, issue 26 ISSN 0021-8995 1097-4628 Materials Chemistry Polymers and Plastics Surfaces, Coatings and Films General Chemistry journal-article 2021 crwiley https://doi.org/10.1002/app.50619 2024-02-22T00:50:55Z Abstract The paper presents a new method for modifying polyolefin membranes using chitosan deposition in order to apply them as a separator in the redox flow batteries with an aqueous electrolyte. Chitosan is deposited from an aqueous carbonic acid under high pressure of saturating carbon dioxide, which allows to increase the affinity of the composite membrane to aqueous electrolyte and, as a consequence, to increase the proton conductivity. In addition, the deposition of a chitosan film makes it possible to reduce the pore size, which means an increase in the ionic selectivity of the porous membrane. In the article, membranes modified with chitosan for different times were obtained. It was shown that as a result of the proposed treatment, the ionic selectivity of membranes increases from 0.2·10 7 ms·min/cm 3 to 5·10 7 ms·min/cm 3 . Article in Journal/Newspaper Carbonic acid Wiley Online Library Journal of Applied Polymer Science 138 26 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
topic |
Materials Chemistry Polymers and Plastics Surfaces, Coatings and Films General Chemistry |
spellingShingle |
Materials Chemistry Polymers and Plastics Surfaces, Coatings and Films General Chemistry Zefirov, Vadim V. Sizov, Victor E. Gulin, Alexander A. Gallyamov, Marat O. Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition |
topic_facet |
Materials Chemistry Polymers and Plastics Surfaces, Coatings and Films General Chemistry |
description |
Abstract The paper presents a new method for modifying polyolefin membranes using chitosan deposition in order to apply them as a separator in the redox flow batteries with an aqueous electrolyte. Chitosan is deposited from an aqueous carbonic acid under high pressure of saturating carbon dioxide, which allows to increase the affinity of the composite membrane to aqueous electrolyte and, as a consequence, to increase the proton conductivity. In addition, the deposition of a chitosan film makes it possible to reduce the pore size, which means an increase in the ionic selectivity of the porous membrane. In the article, membranes modified with chitosan for different times were obtained. It was shown that as a result of the proposed treatment, the ionic selectivity of membranes increases from 0.2·10 7 ms·min/cm 3 to 5·10 7 ms·min/cm 3 . |
author2 |
Foundation for the Advancement of Theoretical Physics and Mathematics Russian Foundation for Basic Research |
format |
Article in Journal/Newspaper |
author |
Zefirov, Vadim V. Sizov, Victor E. Gulin, Alexander A. Gallyamov, Marat O. |
author_facet |
Zefirov, Vadim V. Sizov, Victor E. Gulin, Alexander A. Gallyamov, Marat O. |
author_sort |
Zefirov, Vadim V. |
title |
Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition |
title_short |
Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition |
title_full |
Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition |
title_fullStr |
Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition |
title_full_unstemmed |
Improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition |
title_sort |
improving proton conductivity and ionic selectivity of porous polyolefin membranes by chitosan deposition |
publisher |
Wiley |
publishDate |
2021 |
url |
http://dx.doi.org/10.1002/app.50619 https://onlinelibrary.wiley.com/doi/pdf/10.1002/app.50619 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/app.50619 |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_source |
Journal of Applied Polymer Science volume 138, issue 26 ISSN 0021-8995 1097-4628 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/app.50619 |
container_title |
Journal of Applied Polymer Science |
container_volume |
138 |
container_issue |
26 |
_version_ |
1793766549621833728 |