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添加剂bc-1对mh-ni蓄电池性能的影响 effect of additive bc-1 on the performance of ni-mh battery
添加剂BC一1对MH—Ni蓄电池性能的影响 郭稳尚1, 薛建军2, 徐强1, 唐致远1 (1.天津大学化工学院,天津300072;2.广州鹏辉电池有限公司,广东广州511483) 摘要:用BC一1作为MH—Ni蓄电池的负极添加剂,研究了它对MH—Ni蓄电池充放电性能、内压、循环性能的影晌。采用 合理的添加方式,可以保证在电池容量不受影响的前提下,MH—Ni蓄电池耐过充能力明显增强。5C放电时,中值电压 升高50mV;循环性能明显提高,1C倍率充放循环156次,其容量保持在76%以上;过充电时电池内压显著降低。 关键词:MH—Ni蓄电池;电化学;催化 中图分类号:TM912.2 文献标识码:A 文章编号:1002—087 X(2007)02—0151—03 of EffectadditiveBC--1onthe ofNi--MH performancebattery GUO TANG Wen-shan91,XUEJian-jun2,XUQiang,1 Zhi—yuanl (1.SchoolofChemical and EngineeringTechnology,Tianjinunivers的,Tianjin300072.China; 51 GreatpowerBattery 1483,china) 2,Guangzhou Co.Ltd,GuangzhouGuangdong Abstract:BC-1WaSusedasthecal:hodeadditiveofNi-MH theeffectsofBC-1OR battery.and charge—discharge performance,innerpressure,and ofNi—MH werestudied.Theresultsshowthatthe cyclingperformancebattery resistanceofNi—MH asuitable method ofen- overcharge increasesby inthecondition battery clearlyusing adding battery isn。t increases50mVwhen at5 suring capacityaffected,set-pointvoltage dischargeC:cyclingperformance remainmorethan76%after156 at1 inner improvesobviously,thecapacity charge-dischargecyclesC:battew decreaseswhen pressure obviouslyovercharge. words:Ni—MH Key battew;electrochemistry;catalyse MH.Ni蓄电池以其高容量,长寿命,可快速充放电,无污 1 实验 染等优异性能而倍受青睐,如何进一步提高MH-
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