锌-空电池中性电解液的研究  

Study on Electrolytes of Zinc-Air Battery

作　　者：吕红[1] 陈昌国[1] 王里奥[2] 龙英[1] 

机构地区：[1]重庆大学化学化工学院 [2]重庆大学资源与环境科学学院,重庆400044

出　　处：《重庆师范学院学报（自然科学版）》2002年第3期43-45,共3页Journal of Chongqing Normal University(Natural Science Edition)

摘　　要：用循环伏安法和恒电流扫描法及X射线衍射法研究了不同成份和浓度的中性电解液中的锌电极的电化学行为 ,并通过向中性电解液中添加季铵盐缓蚀剂 ,考察缓蚀剂在锌电极反应中的缓蚀作用 ,探讨锌电极的反应机理。试验结果发现在NH4Cl(浓度为 4mol/L) +KCl(浓度为 1mol/L)混合溶液中添加季铵盐缓蚀剂后既可抑制锌电极的阳极溶解 ,又可提高其析氢过电位和析氢电流密度 ,是有效改善锌 空电池性能的途径之一。Cyclic voltammeter,constant electrical current scanning and X ray diffraction methods were used to study the electrochemical behavior of zinc electrode in different kinds and concentrations of neutral electrolytes.The quatemary ammonium salt inhibitor′s functions were also studied in zinc electrode′s reaction to find zinc electrode′s action mechanism.The results revealed that zinc anode dissolution was suppressed and evolving hydrogen over voltage and evolving hydrogen current density bacame higher by adding quatemary ammonium salt inhibitors in the neutral mixture electrolytes whose concentration is 4 mol/L NH 4Cl+1 mol/L KCl and this is one of effective methods to improve Zinc air battery′s performance.

关 键 词：锌-空电池 中性电解液 锌电极 缓蚀剂 电化学行为 反应机理 阳极溶解 析氢电流密度 

分 类 号：TM911.41[电气工程—电力电子与电力传动]