引用本文:
郭永榔, 华寿南, 徐国宪. H2SO4溶液中F-离子对Pb及Pb-Sb电极表面膜影响的研究[J]. 应用化学,
1986, 3(1): 66-68.
Citation: Guo Yonglang, Hua Shounan, Xu Guoxian. THE EFFECT OF F- ION ON THE PROPERTIES OF SURFACE FILM ON Pb, Pb-Sb ELECTRODES IN H2SO4 SOLUTION[J]. Chinese Journal of Applied Chemistry, 1986, 3(1): 66-68.
Citation: Guo Yonglang, Hua Shounan, Xu Guoxian. THE EFFECT OF F- ION ON THE PROPERTIES OF SURFACE FILM ON Pb, Pb-Sb ELECTRODES IN H2SO4 SOLUTION[J]. Chinese Journal of Applied Chemistry, 1986, 3(1): 66-68.
H2SO4溶液中F-离子对Pb及Pb-Sb电极表面膜影响的研究
摘要:
Pb-Sb板栅的耐腐蚀性能是影响铅蓄电池寿命的重要原因之一。关于不同Pb合金电极的研究已有不少工作[1-2]。关于H2SO4溶液中添加剂的研究,除H3PO4[3-4]以外,其它一些添加剂的研究不多。鉴于F-离子的特殊性,我们研究了电解液中F-离子对Pb、Pb-Sb电极的影响。
English
THE EFFECT OF F- ION ON THE PROPERTIES OF SURFACE FILM ON Pb, Pb-Sb ELECTRODES IN H2SO4 SOLUTION
Abstract:
In this paper the effects of F- ion in H2SO4 solution on the properties of surface film on Pb,Pb-Sb electrodes have been studied by cyclic potential scanning and X-ray diffraction methods. It has bcen found that in the presence of F- ion the peak potential of reduction of PbO2 on Pb-Sb electrode shifts to negative direction markedly and the discharge capacity of PbO2 decreases rapidly with the number of scanning cycles. On the contrary,the discharge capacity is found to be increased on the Pb-Sb electrode. F- ion helps the formation of basic PbSO4 on both Pb and Pb-Sb electrodes, but α-PbO2 on Pb-Sb electrode only.
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