TECHNOLOGY LICENSING OPPORTUNITY: Acid-tuned Terphenyl Membranes (ATM)

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Summary from the notice

Acid-tuned Terphenyl Membranes (ATM) from Los Alamos National Laboratory delivers a fundamentally smarter approach to hydrocarbon proton exchange membrane design, replacing the brute-force strategy of adding more sulfonic acid groups with a precise molecular tweak that strengthens each acid site individually. By installing an electron-withdrawing unit next to the sulfonic acid group, the membrane achieves higher proton conductivity while cutting water uptake by more than half compared to its unmodified counterpart, a combination that provides a promising basis for improved dimensional stability and membrane durability. The result is a hydrocarbon platform that can rival perfluorinated incumbents on performance while opening a path to lower-cost, more sustainable clean energy hardware. How it Works ATM works by chemically tuning the acidity of the sulfonic acid groups that carry protons through the membrane, rather than simply adding more of them. A single electron-withdrawing unit is positioned adjacent to each sulfonic acid group along the polymer side chain, which makes it easier for the acid to release a proton and conduct it across the membrane. Because each acid site is intrinsically more effective, the polymer can hit competitive conductivity targets without needing the heavy sulfonation that normally causes a hydrocarbon membrane to swell, soften and lose its ion-transport channels under wet operating conditions. Technical Description The ATM platform uses a rigid terp…

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