铅酸电池负极加碳后循环性能

中国有色金属学报, 2016, 26(1): 112-117.

铅酸电池负极加碳后循环性能

王练武 ^1, , 王先友 ^2, , 黄伟国 ^3, , 童庆 ^4, , 王良勇 ^5,

1.湘潭大学化学学院电化学能源储存与转换湖南省重点实验室,湘潭411105;湖南三鑫电源科技有限责任公司,韶山411300

2.湘潭大学化学学院电化学能源储存与转换湖南省重点实验室,湘潭,411105

3.湖南三鑫电源科技有限责任公司,韶山,411300

4.湖南三鑫电源科技有限责任公司,韶山,411300

5.湖南三鑫电源科技有限责任公司,韶山,411300

基金项目: 湖南省战略性新兴产业项目(2013GK4068)Project(51272221)supported by the National Natural Science Foundation of China Project(2013GK4068)supported by Key Project of Strategic New Industry of Hunan Province,China Project(2012CK1006)supported by Scientific and Technical Achievement Transformation Fund of Hunan Province,China 湖南省重大科技成果转化项目(2012CK1006) 国家自然科学基金资助项目(51272221)

关键词：活性碳 , 石墨 , 铅碳电池 , 高倍率部分荷电态 , 循环寿命

Cyclic performance of negative electrode doped with carbon for lead-acid battery

Keywords： active carbon , graphite , lead-carbon battery , high-rate partial-state-of-charge , cycle-life

通过将高比表面积电化学活性碳和石墨加入到铅酸电池的负极活性物质中,制备成新型铅碳负极,研究其在高倍率部分荷电状态(HRPSOC)下的循环性能.采用激光粒度仪、扫描电镜(SEM)、充放电机分别对材料和电池进行表征和测试.结果表明:碳的加入极大地提高于电池在高倍率部分荷电态下工作的循环寿命,其中以石墨和活性的性能碳混合加入时循环性能最好,循环次数达到85402次.SEM结果表明:碳材料的加入能有效抑制铅酸电池负极在大电流放电时的不可逆硫酸盐化.

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