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The chlorine/carbon electrode in a silver chloride melt in the temperature range 475–820°C—II: The double layer capacitance of a carbon electrode in the silver chloride melt

✍ Scribed by T. Berge; R. Tunold

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 190 KB
Volume: 19
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(74)87028-3

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✦ Synopsis

The double layer capacitance of a vitreous carbon clectrodc in a silver chloride melt has been measured as a function of potential at four different temperatures. The minimum capacitance is virtually constant from 475 to 75O'C; it is relatively high -48 /tF'cm'. possibly the result of the polarisability of the sllvcr eons. At temperatures above 750 C the miulmum capacitauce mcreases, and the potential range of minimum capacitance becomes very narrow. This confirms the theory of Graves and Inman[ 1,2] that the minimum capacitance is independent of temp'crature. and that the apparent increase is the result of intruding Faradaic processes.

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The chlorine/carbon electrode in a silve

The chlorine/carbon electrode in a silver chloride melt in the temperature range 475–820°C—I: The mechanism and rate of the reaction and the heat of activation

✍ R. Tunold; T. Berge; K.A. Paulsen 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 396 KB

The kinetics of the chlorine evolution on carbon from a silver chloride melt have been studied at several temperatures using the steady state method and galvanostatic methods. Measurements with the double pulse method show that the charge transfer reaction is fast. The Tafel curves indicate that two