聚乙烯醇改性PbO2电极的制备和性能研究

王美清, 杨卫华, 蔡成杰, 林小燕, 付芳

Influence of Polyvinyl Alcohol on Structure and Property of PbO2 Electrode

WANG Meiqing, YANG Weihua, CAI Chengjie, LIN Xiaoyan, FU Fang

表1 不同浓度PVA改性电极的阻抗谱拟合数据

Table 1 Fitted data of EIS of PbO2 electrodes modified with different concentrations of PVA

Electrode Rs Ωcm2 Q×103 Fcm2 n Rct Ωcm2 PbO2 14.03 0.092 0.65 181.2 PbO2-PVA(0.2) 0.59 3.9 0.72 91.73 PbO2-PVA(0.4) 0.69 2.7 0.79 80.05 PbO2-PVA(0.6) 0.91 1.2 0.75 47.04 PbO2-PVA(0.8) 1.64 3.5 0.73 67.18 PbO2-PVA(1.0) 0.85 4.1 0.68 112.5