Development of sulfonated poly (ether ether ketone) electrolyte membrane for applications in hydrogen sensor |
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Authors: | Srinivasan Guhan Narayanaswamy V Prabhu Dharmalingam Sangeetha |
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Institution: | 1.Department of Chemistry,Anna University,Chennai,India |
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Abstract: | The future economy is projected as hydrogen economy and fuel cells are set to become the energy source either replacing or
augmenting the present oil based technology. A sulfonated poly ether ether ketone (SPEEK) membrane as the electrolyte for
hydrogen sensor that operates at room temperature was developed in our lab. The electrolyte used was SPEEK, which is a proton
conducting solid polymer membrane. The membranes were characterized using various available techniques like TGA, XRD, SEM,
etc. The durability was studied using the Fenton’s reagent. The proton conducting ability was analyzed using impedance spectroscopy.
The catalysts considered were platinum for the cathode and three different catalysts (Pt, Pt/Pd and Pd) for the anode. The
MEAs were evaluated for their performance in hydrogen sensor and the one with platinum catalyst at the anode gave the best
response among the three indicating its suitability for the SPEEK membrane for hydrogen sensor. |
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Keywords: | |
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