Influence of Lanthanum and Barium on the Electrochemical Properties of Grid Alloys in Lead-Acid Energy Storage Batteries

Lead acid battery is the most preferential option for energy storage application because of its mature manufacturing technology, reliability and high safety. Nonetheless, a negative trait is that the lead– calcium (Pb–Ca) alloy may suffer severe corrosion as a result of long-term depth discharge. He...

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Veröffentlicht in:International journal of electrochemical science 2018-11, Vol.13 (11), p.11150-11163
Hauptverfasser: Yang, Shaoqiang, Cai, Xianyu, Li, Ruhong, Yang, Baofeng, Hu, Xinguo, Dai, Changsong
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Sprache:eng
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Zusammenfassung:Lead acid battery is the most preferential option for energy storage application because of its mature manufacturing technology, reliability and high safety. Nonetheless, a negative trait is that the lead– calcium (Pb–Ca) alloy may suffer severe corrosion as a result of long-term depth discharge. Herein, corrosion resistance property has been implemented by cyclic voltammetry (CV) approach and the concentration of Pb2+ in the mixture solution (acetic acid, nitric acid and hydrogen peroxide) are measured for the first time by inductively coupled plasma atomic emission spectrometry (ICP-AES) after corrosion test. The addition of the lanthanum (La) and barium (Ba) can improve the corrosion resistance of Pb-Ca-Sn-Al alloy in sulfuric acid electrolyte. Furthermore, the outstandingly high conductivity of the oxidation film on aforementioned alloy electrode is achieved because the growth of PbO in the oxidation film is inhibited by the La or Ba in Pb-Ca-Sn-Al alloy. Meanwhile, the addition of La or Ba can improve oxygen evolution performance of alloy electrodes in sulfuric acid electrolyte.
ISSN:1452-3981
1452-3981
DOI:10.20964/2018.11.88