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http://dx.doi.org/10.9713/kcer.2014.52.1.58

Electrochemical Synthesis of Ammonia from Water and Nitrogen using a Pt/GDC/Pt Cell  

Jeoung, Hana (Department of Chemical and Biochemical Engineering, Konyang University)
Kim, Jong Nam (Department of Clean Fuel, Korea Institute of Energy Research)
Yoo, Chung-Yul (Department of Clean Fuel, Korea Institute of Energy Research)
Joo, Jong Hoon (Department of Clean Fuel, Korea Institute of Energy Research)
Yu, Ji Haeng (Department of Clean Fuel, Korea Institute of Energy Research)
Song, Ki Chang (Department of Chemical and Biochemical Engineering, Konyang University)
Sharma, Monika (Department of Clean Fuel, Korea Institute of Energy Research)
Yoon, Hyung Chul (Department of Clean Fuel, Korea Institute of Energy Research)
Publication Information
Korean Chemical Engineering Research / v.52, no.1, 2014 , pp. 58-62 More about this Journal
Abstract
Electrochemical ammonia synthesis from water and nitrogen using a Pt/GDC/Pt cell was experimentally investigated. Electrochemical analysis and ammonia synthesis in the moisture-saturated nitrogen environment were performed under the operating temperature range $400{\sim}600^{\circ}C$ and the applied potential range OCV (Open Circuit Voltage)-1.2V. Even though the ammonia synthesis rate was augmented with the increase in the operating temperature (i.e. increase in the applied current) under the constant potential, the faradaic efficiency was decreased because of the limitation of dissociative chemisorption of nitrogen on the Pt electrode. The maximum synthesis rate of ammonia was $3.67{\times}10^{-11}mols^{-1}cm^{-2}$ with 0.1% faradaic efficiency at $600^{\circ}C$.
Keywords
Electrochemical Ammonia Synthesis; Electrochemistry; Water; Nitrogen;
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Times Cited By KSCI : 2  (Citation Analysis)
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