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Facile and Scalable Synthesis of Robust Ni(OH)₂ Nanoplate Arrays on NiAl Foil as Hierarchical Active Scaffold for Highly Efficient Overall Water Splitting.

ABSTRACT: Developing highly efficient low-cost electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in alkaline electrolyte is essential to advance water electrolysis technology. Herein, Ni(OH)₂ nanoplates aligned on NiAl foil (Ni(OH)₂/NiAl) are developed by simply dealloying NiAl foil in KOH, which exhibits high electrocatalytic activity for OER with a small overpotential of 289 mV to achieve 10 mA cm^-2 and outstanding durability with no detectable degradation during long-term operation. Furthermore, such Ni(OH)₂/NiAl can effectively act as an active and robust hierarchical scaffold to simply electrodeposit other catalysts with intrinsically higher activity such as NiMo and NiFe nanoparticles for highly efficient

SUBMITTER: Niu S

PROVIDER: S-EPMC5566344 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Facile and Scalable Synthesis of Robust Ni(OH)₂ Nanoplate Arrays on NiAl Foil as Hierarchical Active Scaffold for Highly Efficient Overall Water Splitting.

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Facile and Scalable Synthesis of Robust Ni(OH)2 Nanoplate Arrays on NiAl Foil as Hierarchical Active Scaffold for Highly Efficient Overall Water Splitting.

OmicsDI is part of the ELIXIR infrastructure

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Facile and Scalable Synthesis of Robust Ni(OH)₂ Nanoplate Arrays on NiAl Foil as Hierarchical Active Scaffold for Highly Efficient Overall Water Splitting.