I am studying for proton conducting membranes for biofuel cells and searching for alternative materials fro Nafion. On which class of polymers should I focus?
Hi Diana,
You can use CM7000 (Membrane internationals, US) as an alternate to Nafion for cation exchange membrane in microbial fuel cells.
Nafion is the polymer of Tetrafluro ethylene, CM 7000 is a polymer of styrene.
These polymers being negatively charged, allows the flow of positively charged ions (protons and other cations) easily from either side.
Hi
I presume that this paper would help you.
https://www.sciencedirect.com/science/article/pii/S0079670000000320
FuMa-Tech and Asahi Kasei likely have some non-fluorinated options for this application. My company, Ionomr, has a non-fluorinated / fully hydrocarbon material we call Pemion that is designed to replace Nafion in hydrogen fuel cells and PEM electrolyzers that may work depending on requirements.
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