碳纤维正极添加剂对阀控铅酸蓄电池性能的影响  

Effect of carbon fiber as positive additive on the performance of VRLA battery

作　　者：任晴晴[1] 蔡晓祥 马永泉 沈浩宇 刘孝伟[2] 伊廷锋 

机构地区：[1]安徽工业大学化学与化工学院,安徽马鞍山243002 [2]超威电源有限公司,浙江长兴313100 [3]哈尔滨工业大学化工学院,黑龙江哈尔滨150001

出　　处：《蓄电池》2014年第1期45-48,共4页Chinese LABAT Man

基　　金：中国博士后科学基金(2012M520749);浙江省博士后科研择优资助项目(Bsh1201013);安徽工业大学创新团队(TD201202)资助项目

摘　　要：本文采用两种比表面积不同的碳纤维,取代原有正极铅膏配方中的炭材料作为正极添加剂。采用手工涂膏方式,制备12 V/12 Ah阀控式铅酸蓄电池。并研究了正极板化成情况和蓄电池电化学性能。结果表明,比表面积较大的碳纤维更有利于提高蓄电池正极性能。随着碳纤维含量的提高,电池放电时间反而缩短。碳纤维在正极铅膏中最佳添加量为0.5‰。适量碳纤维的添加,对电池化成是有利的。循环伏安测试表明,添加碳纤维会影响正极电化学电位和析氧量。Two kinds of carbon fiber were used to replace the carbon material of positive paste as positive electrode additive, and 12 V/12 Ah VRLA batteries are prepared by manually pasting. The electrochemical performance and the formation of positive plate were studied. The results showed that carbon fiber with bigger specific surface area was beneficial to improve the performance of lead-acid battery. The discharge time was decreased with increasing of the added content of carbon fiber. The optima content of carbon fiber was 0.5 %0. An appropriate carbon fiber was in favour of the formation of VRLA battery. CV showed that the carbon fiber could affect the electrochemical potentials and the amount of oxygen evolution.

关 键 词：阀控铅酸电池 正极添加剂 碳纤维 电化学性能 

分 类 号：TM912.1[电气工程—电力电子与电力传动]