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新型高温、长寿命氯化物熔盐参比电极的制备与研究

Fabrication and Studies of a Novel Ag/AgCl Reference Electrode in High Temperature Molten Chloride Salts

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【作者】 高佩; 金先波; 汪的华; 胡晓宏; 陈政;

【Author】 GAO Pei, JIN Xian-bo, WANG Di-hua, HU Xiao-hong, CHEN Zheng~*(College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China)

【机构】 武汉大学化学与分子科学学院; 武汉大学化学与分子科学学院 湖北武汉430072; 湖北武汉430072; 湖北武汉430072;

【摘要】 本文介绍一种全固态离子导电玻璃盐桥制备方法,并以此设计新型的Ag/AgCl高温参比电极.该电极制作简单, 具有电位稳定,重现性好,使用寿命长,不污染研究体系等特点.可在多种氯化物熔盐体系中反复使用,适用温度范围 400~900℃.

【Abstract】 A new method for the easy fabrication of a stable and long life silver/silver chloride reference electrode in molten chloride salts is described in this paper. The method is based on the fact that simply placing the silica glass in molten NaCl or its vapour in the presence of oxygen resulted in satisfactory conductivity for sodium ion and possibly calcium ion in the material.The performance of such made electrode has been investigated in a few typical chloride systems at temperatures ranging from 400 to 900℃. Due to the wholly sealed construction, the reference electrode is stable, temperature-reversible, contamination free to the molten salt, and re-usable in the same or different electrolyte systems.

【关键词】 Ag/AgCl; 参比电极; 离子导体; 石英;
【Key words】 Ag/AgCl; Reference electrode; Ionic conductor; Quartz;
【基金】 国家杰出青年科学基金(20125308);国家自然科学基金(50374052)资助
  • 【文献出处】 电化学 ,Electrochemistry , 编辑部邮箱 ,2005年01期
  • 【分类号】O646
  • 【被引频次】19
  • 【下载频次】564
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