Cations And Anion - Europe PMC

Liberating the Anion: Evaluating Weakly Coordinating Cations.

[Ar = 4-Me, 4-Me 2 N, and 3,5-two phenyl derivatives] investigated along with five additional tetraalphosphonium ions, commonly used poorly coordinated cations, including tetraalkylamine, bisiminium, P2, and P5 phosphazenium, and tetraphenyl derivatives. Tetraphenylphosphonium ion derivatives of Subtetted have been discovered to be surprisingly good WCCs that perform as well or better than the P2 and P5 phosphazenium ions, the current WCC gold standard.

Source link: https://europepmc.org/article/MED/36346640

On the Radical-Induced Degradation of Quaternary Ammonium Cations for Anion-Exchange Membrane Fuel Cells and Electrolyzers.

Different electron density at the phenyl group was tested for their resistance against radical degradation. These model compounds were tested under both neutral and highly alkaline conditions, pH 14. It was estimated that 18-41 percent of the created radicals were oxidizing with standard electrode potentials above 0. 276 V and 13-23 V, respectively exceeding 0. 68 V and 13-48 V, while 13-48 percent were reduced with E 0 0. 448 V.

Source link: https://europepmc.org/article/MED/36131629

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