
实验研究
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VRLA电池正极板添加剂及其对电池性能
影响的研究李爱菊123,李志斌“,陈红雨123
(1.华南师范大学化学与环境学院,广东广州510006;2.广东高校储能与动力电池产学研结合示范基地,广东广州510006;3.电化学储能材料与技术教育部工程研究中心,广东广州
510006;4.广州埃登达化工有限公司,广东广州510631)
摘要:四碱式硫酸铅(4BS)是一种重要的铅蓄电池正极板铅膏添加剂,使用4BS可以有效避免铅钙合金的高阻抗钝化膜引起的活性物质失效和蓄电池早期容量损失(PCL),从而可以显著地延长铅酸蓄电池的循环使用寿命。文中介绍了4BS的结构、电化学性质及其对铅酸蓄电池性能的影响,评述了4BS延长铅酸电池循环寿命的原理,研究了Addenda种子在改善电池极板化成、提高初始容量和循环寿命方面的作用。结果表明,Addenda种子作为标准添加剂在和膏时加入与铝粉等一起被制成铅骨,能够大大提升铅酸蓄电池的性能,特别是有效解决了蓄电池的容量衰减,延长了蓄电池的寿命。
关键词:VRLA电池;四碱式硫酸铅;极板;循环寿命
中图分类号:912.4
文献标识码:B
文章编号:1006-0847(2012)01-03-04
Studyontheadditiveforpositiveplateanditseffectontheperformances
ofVRLAbattery
LI Aiju123, LI Zhibin', CHEN Hong-yul23
(l.School of Chemistry and Environment,South China Normal University,Guangzhou Guangdong 510006; 2. Base of Production, Education&Research on Energy Storage and Power Battery of Guangdong Higher Education Institutes, GuangzhouGuangdong 510006;3.Engineering Research Center of Materials and Technology for Electrochemical Energy Storage of Ministry of Education, Guangzhou Guangdong 510006; 4.Addenda Chemical Corporation Limited, Guangzhou Guangdong
510631,China)
Abstract: The tetrabasic lead sulfate (4BS) is a kind of important additive of the positive plate lead paste can avoid failure of the positive active material and the premature capacity loss, and prolong the life of leadacid battery. In this paper, the structure, electrochemical properties and the effect on the batlery
performances of tetrabasic lead sulfate were introduced.
收稿日期:2011-12-09,通讯联系人
基金项目:储能电池用铅基稀土合金的制备与电化学
性能的研究(9151063101000052)
万方数据
The mechanism which the tetrabasic lead sulfate could prolong the life of battery was analyzed. The novel 4BS
additive
Addendaseedwasstudied.The
experimental results showed that the Addenda seed
23