镀铅工艺及其在轻量化铅酸电池中的应用  

Lead Plating Processes and Their Application in Lightweight Grids for Lead-Acid Batteries

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作  者:刘晓东 武玥君 罗钰婷 杨彤 王振卫 LIU Xiaodong;WU Yuejun;LUO Yuting;YANG Tong;WANG Zhenwei(School of Chemistry and Environmental Engineering,Shanghai Institute of Technology,Shanghai 201418,China)

机构地区:[1]上海应用技术大学化学与环境工程学院,上海201418

出  处:《应用技术学报》2021年第3期203-214,共12页Journal of Technology

摘  要:铅酸电池“轻量高能”要求发展表面镀铅的轻质金属代替铅板栅。轻金属表面镀铅/锡工艺可以采用氟硼酸、氨基磺酸、柠檬酸和甲基磺酸体系镀液。氟硼酸体系中残液中的氟化物难以处理到符合国家规定标准;氨基磺酸易生成硫酸铅沉淀,影响镀液稳定性及镀层质量;柠檬酸体系镀液在高电流密度下对镀层铅含量的影响大;甲基磺酸体系能在高电流密度下工作,废水处理可靠。在轻金属铜、钛基体以及炭泡沫上电镀铅或铅锡合金,得到的轻型镀铅板栅材料在铅酸电池中轻量高能技术发展中具有重要地位。The“light weight and high energy”of lead-acid battery requires the development of light metal coated with lead instead of pure lead grid.Fluoroboric acid system,sulfamic acid system,citric acid system and methane sulfonic acid system can be applied in the process of lead/tin plating on the surface of light metal.The fluoride in the residual solution of fluoroboric acid system is difficult to be removed to meet the national standard.Sulfamic acid can form lead sulfate precipitation easily,and the stability of the bath and the quality of the coating will be affected.The high current density of citric acid system exerts great influence on the lead content of the coating;methane sulfonic acid system can work under high current density,and the wastewater treatment is reliable.The light-weight lead-plated grid material,coating lead or lead-tin alloy on low density copper,aluminum and carbon foam,plays an important role in the development of lightweight and high-energy technology in lead-acid batteries.

关 键 词:铅酸电池 轻量化 镀铅工艺 铅锡合金 

分 类 号:TQ153[化学工程—电化学工业]

 

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