Stability of Electrode Materials During Electrolysis in LiCl-KCl Melt
- Authors
- Kim, Dae-Hyeon; Bae, Sang-Eun; Park, Tae-Hong; Song, Kyuseok; Choi, Jong-Ho
- Issue Date
- 7월-2014
- Publisher
- ASIAN JOURNAL OF CHEMISTRY
- Keywords
- Pyrochemical process; Electrode materials; Molten salt; LiCl-KCl
- Citation
- ASIAN JOURNAL OF CHEMISTRY, v.26, no.13, pp.4059 - 4062
- Indexed
- SCIE
SCOPUS
- Journal Title
- ASIAN JOURNAL OF CHEMISTRY
- Volume
- 26
- Number
- 13
- Start Page
- 4059
- End Page
- 4062
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/98048
- DOI
- 10.14233/ajchem.2014.17712
- ISSN
- 0970-7077
- Abstract
- Tungsten, molybdenum and carbon were tested for the electrodes in LiCl-KCl melt at 450 degrees C using electrochemical and scanning electron microscopic techniques. Open circuit potentials for the W and Mo electrodes were stabilized near -0.23 and -0.41 V, respectively while that of the carbon electrode is slowly shifted from 0 to -0.33 V. Cyclic voltammetry and SEM results show that the metal electrodes can be corroded in an anodic potential range. The carbon electrode was stable at a potential more positive than -1.0 V but became coarse at a more negative potential. Using these results, the electrode materials were evaluated for usage in LiCl-KCl melt and relatively stable electrode materials for the pyrochemical process were suggested.
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