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- Title
Effect of the doping time of the 1‐butyl‐3‐methylimidazolium ionic liquid cation on the Nafion membrane proprieties.
- Authors
da Trindade, Letícia G.; Zanchet, Letícia; Borba, Katiúscia M. N.; Souza, Josiane C.; Leite, Edson R.; Martini, Emilse M. A.
- Abstract
Summary: Nafion membranes were prepared by incorporating in the polymer matrix the 1‐butyl‐3‐methylimidazolium (BMI+) ionic liquid cation at different doping levels. Increasing the doping time of the membranes with the ionic liquid results in increased incorporation of the BMI+ cation but a decrease in the bulk conductivity. The thermogravimetric analysis shows that the BMI+ cation incorporation increases the thermal stability of the membranes. The higher discharge efficiency of the fuel cell at 80°C was obtained by using Nafion membrane after 15 minutes of doping in the ionic liquid solution.
- Subjects
NAFION; ARTIFICIAL membranes; POLYMERS; CATIONS; DOPING agents (Chemistry); THERMOGRAVIMETRY
- Publication
International Journal of Energy Research, 2018, Vol 42, Issue 11, p3535
- ISSN
0363-907X
- Publication type
Article
- DOI
10.1002/er.4096