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A single-step approach to create nano-pottery structures for efficient water electrocatalysis |
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| Authors: | Youngmi Yi Jae Kwang Lee Hye Jin Lee Sunghyun Uhm Sang Cheol Nam Jaeyoung Lee |
| Affiliation: | 1. Ertl Center for Electrochemistry and Catalysis and Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic of Korea;2. Department of Chemistry, Kyungpook National University, Daegu 702-701, Republic of Korea;3. Nuricell Inc., GS Caltex New Energy Center, Seoul 134-030, Republic of Korea |
| Abstract: | We have introduced a simple fabrication process to create Ni nano-pottery structure using a well-controlled electrodeposition process into a nanoporous alumina template. The nanostructures were then applied as a stable and effective cathode catalyst for hydrogen evolution reaction (HER) in alkaline water electrolysis. Their catalytic activity was compared to that of the Ni nano-rod and film and the result shows that the HER activity was greatly enhanced when using the Ni nano-pottery structure which mainly resulted from both larger and higher numbers of surface reactive sites. |
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