摘要
从废铅酸蓄电池回收铅膏制得的氧化铅可直接作为铅蓄电池电极活性材料,但是与球磨铅粉相比,整体电性能比较优势不明显。本文通过微波辅助方法来制备新型纳米硫酸铅乙炔黑(PbSO_(4)@Pb/AB)复合材料作为废旧铅酸电池回收氧化铅制备的负极材料添加剂,系统研究了其理化特性及制备的铅蓄电池的性能。结果表明,与AB和AAB黑相比,PPA复合材料用作碳添加剂能够显著增大铅炭电极的电化学活性,有效保持回收铅粉制作的铅酸电池HRPSoC循环性能,且大幅提高其电池放电容量;添加3.0%纳米硫酸铅乙炔黑复合材料制作电池的高倍率部分荷电状态(HRPSoC)循环寿命(11551次)是空白电池(2960次)的3.9倍,尤其0.2C放电容量约942.5 mAh,是空白电池94.8 mAh的9.9倍。
Lead oxide from waste lead paste can be directly used as active material for lead battery electrode,but its overall electrical performance is often not very well compared with ball-malled lead powder.In the paper,a new nanosized lead sulfate/acetylene black(PbSO_(4)@Pb/AB)composite was prepared by microwave method as a negative electrode active additive for recovery of lead oxide from spent lead-acid batteries,and the physical and chemical properties and the performance of the lead-acid battery were systematically studied.The results showed compared with AB and AAB black,PPA composite used as additive could greatly improve the performance of batteries made from the recovery of lead powder,effectively maintain the HRPSoC cycle performance of the lead-acid battery made of recycled lead powder,and greatly improve its battery discharge capacity;the HRPSoC cycle life(11551 times)of 3.0wt%lead sulfate and acetylene black composite cell was 3.9 times longer than that(2960 times)of blank battery,in particular,0.2C discharge capacity was about 942.5 mAh,9.9 times that(94.8 mAh)of blank battery.
作者
曹靖
李江敏
张俊丰
黄妍
陈彪
CAO Jing;LI Jiangmin;ZHANG Junfeng;HUANG Yan;CHEN Biao(College of Chemistry,Xiangtan University,Xiangtan 411105,China;College of Environment and Resources,Xiangtan University,Xiangtan 411105,China)
出处
《中国有色冶金》
CAS
北大核心
2023年第1期32-40,共9页
China Nonferrous Metallurgy
基金
国家自然科学基金面上项目(52070159)
湖南省高新技术产业科技创新引领计划(2021GK4061)。
关键词
铅蓄电池
铅膏
氧化铅
纳米硫酸铅
乙炔黑
放电容量
回收
HRPSoC循环寿命
lead-acid battery
lead paste
lead oxide
nanosized lead sulfate
acetylene black
discharge capacity
recovery
HRPSoC cycle life
