Structure · dataset · 2017
Sulfonation degree effect on ion-conducting SPEEK-titanium oxide membranes properties
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Description
Abstract
Polymeric membranes were developed using a SPEEK (sulfonated poly(ether ether ketone)) polymer matrix, containing titanium oxide (TiO2) (incorporated by sol-gel method). SPEEK with different sulfonation degrees (SD): 63% and 50% were used. The influence of sulfonation degree on membrane properties was investigated.
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The thermal analysis (TGA and DTGA) and X-ray diffraction (XRD) were carried out to characterize the membranes and electrochemical impedance spectroscopy (EIS) was carried out to evaluate the proton conductivity of the membranes. The proton conductivities in water were of 3.25 to 37.08 mS.cm-1. Experimental data of impedance spectroscopy were analyzed with equivalent circuits using the Zview software, and the results showed that, the best fitted was at 80 °C.
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- Repository landing page scielo.figshare.com/articles/Sulfonation_degree_effect_on_ion-conducting_SPEEK-tit… ↗
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- DOI doi.org/10.6084/m9.figshare.5668999 ↗
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Documentation and papers
- Creative Commons Attribution 4.0 International creativecommons.org/licenses/by/4.0/legalcode ↗
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- IsSupplementTo 10.1590/0104-1428.07216 doi.org/10.1590/0104-1428.07216 ↗
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Topics
- Stated by source
- Materials engineering
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Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| DataCite | 10.6084/m9.figshare.5668999 | 11 d ago | JSON v1 |
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