Anion exchange membrane water electrolyzer with an ultra-low loading of Pt-decorated Ni electrocatalyst

Anion exchange membrane water electrolyzer with an ultra-low loading of Pt-decorated Ni electrocatalyst

[Display omitted] •Pt-decorated Ni electrocatalysts were prepared on carbon paper (Pt-Ni/CP).•Pt-Ni/CP electrode contained 650nm Ni particles encapsulated by 50nm Pt dots.•Ultra-low amount catalyst of 1.85μgPt/cm2 was loaded in Pt-Ni/CP electrode.•A MEA employing Pt-Ni/CP electrode showed a current...

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Veröffentlicht in:Applied catalysis. B, Environmental Environmental, 2016-01, Vol.180, p.674-679
Hauptverfasser: Ahn, Sang Hyun, Yoo, Sung Jong, Kim, Hyoung-Juhn, Henkensmeier, Dirk, Nam, Suk Woo, Kim, Soo-Kil, Jang, Jong Hyun
Format: Artikel
Sprache:eng
Schlagworte:
Anion exchange membrane water electrolyzer
Anion exchanging
Concentration (composition)
Current density
Electrocatalysts
Electrodes
Exchange
Hydrogen evolution reaction
Membranes
Platinum
Pt-decorated Ni electrocatalyst
Ultra-low Pt loading
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Beschreibung
Zusammenfassung:[Display omitted] •Pt-decorated Ni electrocatalysts were prepared on carbon paper (Pt-Ni/CP).•Pt-Ni/CP electrode contained 650nm Ni particles encapsulated by 50nm Pt dots.•Ultra-low amount catalyst of 1.85μgPt/cm2 was loaded in Pt-Ni/CP electrode.•A MEA employing Pt-Ni/CP electrode showed a current density of 250mA/cm2 at 1.9V. The particle-type electrodes with ultra-low electrocatalyst loading (
ISSN:0926-3373
1873-3883
DOI:10.1016/j.apcatb.2015.07.020