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FUEL CELLS

Extending operational range

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Fuel cells with acid-doped membranes must avoid liquid water and humid gas streams to prevent leaching of acid, and so are limited to operating above 120 °C, complicating start-up. Now, microporous membranes offer a chance to confine the acid to their pores, allowing start-up without pre-heating, higher performance and perhaps even extended lifetime.

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Fig. 1: The newly developed membrane polymer and its HT-PEMFC performance.

References

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Authors and Affiliations

  1. Hydrogen·Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), Seoul, Korea

    Dirk Henkensmeier

  2. Energy & Environment Technology, KIST School, University of Science and Technology (UST), Seoul, Korea

    Dirk Henkensmeier

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  1. Dirk Henkensmeier
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Correspondence to Dirk Henkensmeier.

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Henkensmeier, D. Extending operational range. Nat Energy 7, 128–129 (2022). https://doi.org/10.1038/s41560-022-00982-2

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