Metal tungstate dominated NiCo2O4@NiWO4 nanorods arrays as an efficient electrocatalyst for water splitting |
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| Affiliation: | 1. School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, PR China;2. School of Science, North University of China, PR China;1. Institute of Physics, Academia Sinica, Taipei 11529, Taiwan;2. Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan;3. Department of Physics, National Cheng Kung University, Tainan 701, Taiwan;4. Department of Electrophysics, National Chiao Tung University, Hsinchu 30010, Taiwan;1. Center of Excellence in Nanotechnology (CENT), King Fahd University of Petroleum and Minerals, Dhahran 31261, Kingdom of Saudi Arabia;2. Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran 31261, Kingdom of Saudi Arabia;1. Department of Physics, International Research Centre, Kalasalingam Academy of Research and Education, Krishnankoil 626 126, Virudhunagar, Tamil Nadu, India;2. Department of Physics, Syed Ammal Arts and Science College, Ramanathapuram, Tamilnadu 623513, India;1. School of Advanced Materials and Engineering, Kumoh National Institute of Technology, 61 Daehak-Ro, 39177 Gumi, Republic of Korea;2. Nanomaterials Laboratory, Department of Physics, Alagappa University, Karaikudi 630 003, Tamil Nadu, India;3. Department of Mechanical Engineering, Lamar University, Beaumont, TX 77710, USA;4. Electrodics and Electrocatalysis (EEC) Division, CSIR-Central Electrochemical Research Institute (CSIR-CECRI), Karaikudi 630003, Tamil Nadu, India |
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| Abstract: | One of the most promising ways to produce high purity hydrogen is electrocatalytic water splitting, the slow rate of oxygen evolution reaction (OER) limited the whole water splitting process under alkaline conditions. Here, NiCo2O4@NiWO4/NF is firstly acted as a metal tungstate dominated bifunctional water splitting catalyst, which a very low cell voltage of 1.59 V is obtained with 10 mA cm−2 in alkaline media. Remarkably, the catalytic performance of NiCo2O4@NiWO4/NF is also kept for at least 12 h, which shows long time electrochemical stability. |
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| Keywords: | Nanorods arrays Nickel foam Electrocatalytic Water splitting Durability |
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