电化学2013，Vol.19Issue(1)：43-52,10.
α型和β型PbO2正极的充放电性能比较
A Comparative Study of Charge-Discharge Behaviors of α-PbO2 and β-PbO2 Cathodes
摘要
Abstract
The a-PbO2 and β-PbO2 powders were prepared using simple chemical synthetic methods, and their crystalline structures and surface morphologies were characterized with X-ray powder diffraction spectroscopy (XRD) and scanning electron microscopy. Using the as-synthesized a-PbO2 and β-PbO2 powders as positive active materials,the electrochemical performance of the two PbO2 materials was investigated by means of cyclic voltammetry, galvanostatic charge-discharge tests and electrochemical impedance spectroscopy. The results indicate that the discharge capacity of a-PbO2 electrode is larger than that of β-PbO2. Moreover, the composite electrode made by a-PbO2 and β-PbO2 mixtures with different proportions are favorable for enhancing the charge-discharge cycle performance of PbO2 positive electrode.关键词
二氧化铅/铅酸蓄电池/充放电性能/电化学阻抗谱Key words
lead dioxide/ lead acid battery/ charge-discharge performance/ electrochemical impedance spectroscopy分类
化学化工引用本文复制引用
崔聪颖,马学美,孔德龙,马厚义..α型和β型PbO2正极的充放电性能比较[J].电化学,2013,19(1):43-52,10.基金项目
国家973项目计划(No.2011CB935901)和山东大学自主创新基金(No.2009JC019)资助 （No.2011CB935901）
