VRLA电池失效模式探讨  

Discussion on failure modes of valve-regulated lead-acid(VRLA)battery

作　　者：谭新雨 黄文辉 袁镇 

机构地区：[1]佛山光明电池有限公司,广东佛山528000

出　　处：《蓄电池》2005年第2期54-59,共6页Chinese LABAT Man

摘　　要：探讨了阀控式铅酸蓄电池(VRLA)失效的常见模式,如正板栅腐蚀、早期容量损失(PCL)、活性物质软化或硫酸盐化、负极汇流排腐蚀、失水和热失控等。通过SEM,XRD等方法初步研究了负极汇流排腐蚀发生的机理,针对影响腐蚀程度的因素,提出了相应的预防措施。This paper discussed several failure modes of VRLA battery such as positive grid corrosion,premature capacity loss,active mass softening or sulfation,negative plates strap corrosion,water loss,thermal runaway,and so on.The mechanism of negative plates strap corrosion was studied by the methods of SEM and XRD.According to the factors influencing corrosion degree,some preventive methods were presented.

关 键 词：VRLA电池 失效模式 早期容量损失 负极汇流排腐蚀 

分 类 号：TM912.4[电气工程—电力电子与电力传动]