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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Jin, Yanshuo Shu, Chang Huang, Shangli Yue, Xin Shen, Pei Kang |
| Copyright Year | 2017 |
| Abstract | Non-noble bifunctional electrocatalysts for overall water splitting in alkali water solution are highly attractive. Herein, novel 3D porous MoNi4 networks constructed by nanosheets show superior catalytic activity and durability towards overall water splitting, rivaling state-of-the-art non-noble bifunctional electrocatalysts. The porous MoNi4 networks were prepared on porous Ni foam by the hydrothermal process and then with the annealing process in hydrogen. The porous MoNi4 networks annealed at 450 °C show high activity for both HER and OER. The superior catalytic performance is ascribed to not only being fully reduced into MoNi4 but also maintaining the original morphology as much as possible after annealing at 450 °C. NiOOH species were formed on the surface of the porous MoNi4 networks annealed at 450 °C after OER, and the in situ formation of NiOOH leads to excellent activity as well as stability in the OER. The 3D porous MoNi4 networks annealed at 450 °C need only ∼1.58 V to achieve 10 mA cm−2 for overall water splitting and exhibit excellent stability without loss of activity after 24 hours. A two-electrode device to split water with porous MoNi4 networks as bifunctional electrocatalysts can be driven by a single AA battery (1.5 V). |
| Starting Page | 2508 |
| Ending Page | 2513 |
| Page Count | 6 |
| File Format | HTM / HTML PDF |
| ISSN | 20507488 |
| Volume Number | 5 |
| Issue Number | 6 |
| Journal | Journal of Materials Chemistry A |
| DOI | 10.1039/c6ta10802d |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Water splitting Alkali Three-dimensional space Hydrothermal circulation Nucleic acid thermodynamics Hydrogen AA battery |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Renewable Energy, Sustainability and the Environment Materials Science |
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