Preparation and Performance Study of a New Type Lead Paste |
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Authors: | GAO Jun SHI Peng-fei YANG Tao |
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Affiliation: | Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China;Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China;Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China |
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Abstract: | A new type lead paste mixed with binders used in thin-plate, spirally wound lead acid batteries is introduced. The utility of positive active material can obtain 54.17% and 37.71% at discharge currents of 0.5C and 5.0C. The investigation was performed by means of X-ray diffraction (XRD), scaning electron microscopy (SEM), infrared spectroscopy (IR), cylic voltammetry (CV), the results revealed more details on the reaction mechanism of paste-mixing. Further conclusion can be obtained that the reaction of paste-mixing is a physical process, and the chemical reactions is local reaction, which is different from traditional mixing process, the binders has some effect on the formation of battery process. The binders can dissolve in electrolyte, which have no disadvantageous effect on the charge-discharge performance. |
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Keywords: | lead acid battery paste slurry binders positive active material(PAM) |
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