(1. 东北大学材料与冶金学院，沈阳 110819；
2. 中国科学院过程工程研究所湿法冶金清洁生产技术国家工程实验室，北京 100190；
3. 东北大学秦皇岛分校资源与材料学院，秦皇岛 066004)
摘 要: 以PbO、ZnO和NaOH为原料，通过固相反应法制备出Na2PbO2和Na2ZnO2，并利用XRD对Na2PbO2和Na2ZnO2进行表征。采用β(β″)-Al2O3固体电解质管构建Pt∣PbO, Na2PbO2‖β(β″)-Al2O3‖NaCrO2, Cr2O3∣Pt和Pt∣ZnO, Na2ZnO2‖β(β″)-Al2O3‖NaCrO2, Cr2O3∣Pt电池，通过测量电池反应电动势，计算出Na2PbO2和Na2ZnO2的生成自由能，并得到其生成自由能与温度(700~1273 K)的关系式。
关键字: 电动势法；固相反应；生成自由能；β(β″)-Al2O3；固体电解质管
（1. School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China;
2.National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,
Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
3. School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China）
Abstract:Na2PbO2 and Na2ZnO2 were synthesized through PbO、ZnO solidly reacting with NaOH, respectively, and were characterized using XRD. The solid electrolyte cells Pt∣PbO, Na2PbO2‖β(β″)-Al2O3‖NaCrO2, Cr2O3∣Pt and Pt∣ZnO, Na2ZnO2‖β(β″) -Al2O3‖NaCrO2, Cr2O3∣Pt were assembled using β(β″)-Al2O3 as solid electrolyte. The formation free energies of Na2PbO2 and Na2ZnO2 are calculated through measuring the electromotive force (EMF) of cells measured. The relationship between formation free energy and temperature (700-1273 K) were gotten.
Key words: electromotive force method; solid reaction; formation free energy; β(β″)-Al2O3; solid electrolyte tube
