期刊
CHEMSUSCHEM
卷 9, 期 4, 页码 403-408出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201501046
关键词
ammonia; electrodeposition; electrolysis; hydrogen; platinum
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education [NRF-2013R1A1A2A10063010]
- Ministry of Education, Science & Technology (MoST), Republic of Korea [gist-14] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Ministry of Science, ICT & Future Planning, Republic of Korea [GIST-14] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Ammonia is beginning to attract a great deal of attention as an alternative energy source carrier, because clean hydrogen can be produced through electrolytic processes without the emission of COx. In this study, we deposited various shapes of Pt catalysts under potentiostatic mode; the electrocatalytic oxidation behavior of ammonia using these catalysts was studied in alkaline media. The electrodeposited Pt was characterized by both qualitative and quantitative analysis. To discover the optimal structure and the effect of ammonia concentration, the bulk pH value, reaction temperature, and applied current of ammonia oxidation were investigated using potential sweep and galvanostatic methods. Finally, ammonia electrolysis was conducted using a zero-gap cell, producing highly pure hydrogen with an energy efficiency over 80%.
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