High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar Gum
A novel membrane based on silicon dioxide (SiO2) and hydroxypropyl guar gum (HPG) as binder is presented and tested as a separator for lithium-ion batteries. The separator is made with renewable and low cost materials and an environmentally friendly manufacturing processing using only water as solve...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2015-10-01
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| Series: | Membranes |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2077-0375/5/4/632 |
| _version_ | 1827850426085539840 |
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| author | Diogo Vieira Carvalho Nicholas Loeffler Guk-Tae Kim Stefano Passerini |
| author_facet | Diogo Vieira Carvalho Nicholas Loeffler Guk-Tae Kim Stefano Passerini |
| author_sort | Diogo Vieira Carvalho |
| collection | DOAJ |
| description | A novel membrane based on silicon dioxide (SiO2) and hydroxypropyl guar gum (HPG) as binder is presented and tested as a separator for lithium-ion batteries. The separator is made with renewable and low cost materials and an environmentally friendly manufacturing processing using only water as solvent. The separator offers superior wettability and high electrolyte uptake due to the optimized porosity and the good affinity of SiO2 and guar gum microstructure towards organic liquid electrolytes. Additionally, the separator shows high thermal stability and no dimensional-shrinkage at high temperatures due to the use of the ceramic filler and the thermally stable natural polymer. The electrochemical tests show the good electrochemical stability of the separator in a wide range of potential, as well as its outstanding cycle performance. |
| first_indexed | 2024-03-12T10:18:09Z |
| format | Article |
| id | doaj.art-dbd7e46835a8468181f123db949c6e65 |
| institution | Directory Open Access Journal |
| issn | 2077-0375 |
| language | English |
| last_indexed | 2024-03-12T10:18:09Z |
| publishDate | 2015-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Membranes |
| spelling | doaj.art-dbd7e46835a8468181f123db949c6e652023-09-02T10:23:50ZengMDPI AGMembranes2077-03752015-10-015463264510.3390/membranes5040632membranes5040632High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar GumDiogo Vieira Carvalho0Nicholas Loeffler1Guk-Tae Kim2Stefano Passerini3Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, 89081 Ulm, GermanyHelmholtz Institute Ulm (HIU), Helmholtzstrasse 11, 89081 Ulm, GermanyHelmholtz Institute Ulm (HIU), Helmholtzstrasse 11, 89081 Ulm, GermanyHelmholtz Institute Ulm (HIU), Helmholtzstrasse 11, 89081 Ulm, GermanyA novel membrane based on silicon dioxide (SiO2) and hydroxypropyl guar gum (HPG) as binder is presented and tested as a separator for lithium-ion batteries. The separator is made with renewable and low cost materials and an environmentally friendly manufacturing processing using only water as solvent. The separator offers superior wettability and high electrolyte uptake due to the optimized porosity and the good affinity of SiO2 and guar gum microstructure towards organic liquid electrolytes. Additionally, the separator shows high thermal stability and no dimensional-shrinkage at high temperatures due to the use of the ceramic filler and the thermally stable natural polymer. The electrochemical tests show the good electrochemical stability of the separator in a wide range of potential, as well as its outstanding cycle performance.http://www.mdpi.com/2077-0375/5/4/632separatorhydroxypropyl guar gum (HPG)silicon dioxide (SiO2)lithium batteriesaqueous processingthermal stability |
| spellingShingle | Diogo Vieira Carvalho Nicholas Loeffler Guk-Tae Kim Stefano Passerini High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar Gum Membranes separator hydroxypropyl guar gum (HPG) silicon dioxide (SiO2) lithium batteries aqueous processing thermal stability |
| title | High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar Gum |
| title_full | High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar Gum |
| title_fullStr | High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar Gum |
| title_full_unstemmed | High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar Gum |
| title_short | High Temperature Stable Separator for Lithium Batteries Based on SiO2 and Hydroxypropyl Guar Gum |
| title_sort | high temperature stable separator for lithium batteries based on sio2 and hydroxypropyl guar gum |
| topic | separator hydroxypropyl guar gum (HPG) silicon dioxide (SiO2) lithium batteries aqueous processing thermal stability |
| url | http://www.mdpi.com/2077-0375/5/4/632 |
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