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arXiv · 1303.3308

A Ni-Fe Layered Double Hydroxide-Carbon Nanotube Complex for Water Oxidation

Ming Gong·Yanguang Li·Hailiang Wang·Yongye Liang·Justin Zachary Wu·Jigang Zhou·Jian Wang·Tom Regier·Fei Wei·Hongjie Dai
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Abstract

Highly active, durable and cost-effective electrocatalysts for water oxidation to evolve oxygen gas hold a key to a range of renewable energy solutions including water splitting and rechargeable metal-air batteries. Here, we report the synthesis of ultrathin nickel iron layered double hydroxide nanoplates on mildly oxidized multi-walled carbon nanotubes. Incorporation of Fe into the nickel hydroxide induced the formation of NiFe-layered double hydroxide. The nanoplates were covalently attached to a network of nanotubes, affording excellent electrical wiring to the nanoplates. The ultra-thin Ni-Fe layered double hydroxide nanoplates/carbon nanotube complex was found to exhibit unusually high electro-catalytic activity and stability for oxygen evolution and outperformed commercial precious metal Ir catalysts.

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Ming Gong, Yanguang Li, Hailiang Wang, Yongye Liang, Justin Zachary Wu, Jigang Zhou, Jian Wang, Tom Regier, Fei Wei, Hongjie Dai. 2013-03-13. A Ni-Fe Layered Double Hydroxide-Carbon Nanotube Complex for Water Oxidation. https://arxiv.org/abs/1303.3308

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