• Thumbnail for Nafion
    Nafion is a brand name for a sulfonated tetrafluoroethylene based fluoropolymer-copolymer synthesized in 1962 by Dr. Donald J. Connolly at the DuPont Experimental...
    25 KB (2,739 words) - 21:14, 26 June 2024
  • commercially available PEM materials is the fluoropolymer (PFSA) Nafion, a DuPont product. While Nafion is an ionomer with a perfluorinated backbone like Teflon...
    17 KB (1,784 words) - 03:45, 18 June 2024
  • Thumbnail for Proton-exchange membrane fuel cell
    of materials such as perfluorosulfonic acid (PFSA, sold commercially as Nafion and Aquivion), which minimize gas crossover and short circuiting of the...
    60 KB (7,902 words) - 15:56, 15 February 2024
  • Thumbnail for Fluorine
    perfluoroalkoxy alkanes do the same with trifluoromethoxy groups, and Nafion contains perfluoroether side chains capped with sulfonic acid groups. Other...
    157 KB (15,281 words) - 21:57, 14 June 2024
  • Thumbnail for Sulfonic acid
    pollutant. p-Toluenesulfonic acid, a widely used reagent in organic synthesis. Nafion, a polymeric sulfonic acid useful in fuel cells. Sodium dodecylbenzenesulfonate...
    15 KB (1,833 words) - 16:24, 7 February 2024
  • Thumbnail for Cape Fear River
    perfluorooctanoic acid, byproducts of production of the fluoropolymer Nafion; and intermediates used to make other fluoropolymers (e.g. PPVE, PEVE and...
    24 KB (1,935 words) - 22:38, 28 May 2024
  • Thumbnail for Membrane electrode assembly
    around a conductive path to the cathode. The most commonly used Nafion PEMs are Nafion XL, 112, 115, 117, and 1110. The electrodes are heat pressed onto...
    4 KB (513 words) - 03:52, 14 June 2024
  • Thumbnail for Proton exchange membrane electrolysis
    PEM fuel cell technology, where solid poly-sulfonated membranes, such as nafion, fumapem, were used as a electrolyte (proton conductor). A thorough review...
    22 KB (2,433 words) - 00:16, 19 May 2024
  • Thumbnail for Ammonia
    Lowe, C. R. (2014). "Ammonia-Sensitive Photonic Structures Fabricated in Nafion Membranes by Laser Ablation". ACS Applied Materials & Interfaces. 6 (11):...
    137 KB (14,911 words) - 15:31, 23 June 2024
  • Thumbnail for Proton conductor
    inexpensive fuel cells. The polymer nafion is a typical proton conductor in fuel cells. A jelly-like substance similar to Nafion residing in the ampullae of Lorenzini...
    6 KB (620 words) - 08:42, 13 December 2023