Oxidation and Oxygen Reduction on Polycrystalline Platinum in Aqueous Tetramethylguanidine Alkaline Electrolyte
In: Electrochemical and Solid State Letters, Jg. 15 (2011), Heft 3, S. B17- (3S.)
Online
serialPeriodical
Zugriff:
Aqueous, 0.1 M 1,1,3,3-tetramethylguanidine was shown to be an active alkaline liquid electrolyte (without metal cations) using a polycrystalline platinum electrode. Cyclic voltammetry reveals that the electrolyte supports [?]OH conductivity, showing many platinum redox features observed in traditional electrolytes. Gradual reaction with H2O decreases ionic conductivity over several months. Oxygen reduction curves in TMG lack a distinct transition from kinetic to diffusion-limiting behavior due to organic adsorbates. Results ultimately show that tetramethylguanidine could be developed as an alternative to NaOH/KOH for enhancing ionic conductivity of alkaline anion exchange membranes of similar composition.
Titel: |
Oxidation and Oxygen Reduction on Polycrystalline Platinum in Aqueous Tetramethylguanidine Alkaline Electrolyte
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Autor/in / Beteiligte Person: | Konopka, Daniel ; Johnson, Michael A. ; Errico, Michael ; Bahrami, Poyan ; Hays, Charles C. |
Link: | |
Zeitschrift: | Electrochemical and Solid State Letters, Jg. 15 (2011), Heft 3, S. B17- (3S.) |
Veröffentlichung: | 2011 |
Medientyp: | serialPeriodical |
ISSN: | 1099-0062 (print) ; 1944-8775 (print) |
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