期刊
ACS CATALYSIS
卷 6, 期 2, 页码 1159-1164出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.5b02365
关键词
water splitting; electrocatalyst; oxygen evolution; electrodeposition; NiFe
资金
- NSF [CHE-1309731]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1309731] Funding Source: National Science Foundation
Electrodeposition of Ni or NiFe films exhibiting fractal-like behavior from plating baths containing an inhibitor, such as 3,5-diamino-1,2,4-triazole (DAT), is found to yield oxygen evolution reaction (OER) catalysts for alkaline solutions exhibiting high current densities (100 mA/cm(2)), high mass activity (similar to 1200 A/g of catalyst), high stability (>72 h), and low overpotentials (similar to 300 mV). By changing electrodeposition time, the activity of the catalyst can be tuned, with longer times yielding higher activities. The electrodeposition method works with any conductive substrate yielding unprecedented performance and providing an easy route to high activity catalysts.
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