| VRLA电池失效模式探讨 |
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| 引用本文： | 谭新雨,黄文辉,袁镇. VRLA电池失效模式探讨[J]. 蓄电池, 2005, 42(2): 54-59 |
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| 作者姓名： | 谭新雨 黄文辉 袁镇 |
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| 作者单位： | 佛山光明电池有限公司,广东,佛山,528000 |
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| 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。
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| 关 键 词： | VRLA电池 失效模式 早期容量损失 负极汇流排腐蚀 |
| 文章编号： | 1006-0847(2005)02-0054-05 |
| 修稿时间： | 2005-01-31 |
Discussion on failure modes of valve-regulated lead-acid (VRLA) battery |
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| TAN Xin-yu,HUANG Wen-Hui,YUAN Zhen. Discussion on failure modes of valve-regulated lead-acid (VRLA) battery[J]. Chinese Labat Man, 2005, 42(2): 54-59 |
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| Authors: | TAN Xin-yu HUANG Wen-Hui YUAN Zhen |
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| Abstract: | 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. |
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| Keywords: | VRLA battery failure modes premature capacity loss negative plates strap corrosion |
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