Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
Communications
Determination of Nitride Ion Electrochemically Produced in a Molten Chloride System by Ion Chromatography
Katsuhito TAKEINobuyuki SERIZAWATokujiro NISHIKIORIYasuhiko ITO
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86 巻 (2018) 2 号 p. 35-37

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The cathodic reduction of nitrogen (N2) gas in molten chloride was investigated using a porous nickel (Ni) electrode. A LiCl-KCl-CsCl melt containing cathodically formed nitride ion (N3−) was sampled from an electrolytic bath and analyzed quantitatively by ion chromatography. The current efficiency of the cathodic reaction calculated from the ratio of quantity of the produced N3− was approximately 78% on average. The main reason why the measured efficiency did not reach 100% is considered as the amount of N3− increased more in the pores of the gas electrode than in the bulk of the electrolytic bath.

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© 2018 The Electrochemical Society of Japan
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