三包期内动力铅蓄电池性能不良原因分析及判定方法

Classification and judgment method of failure causes of power batteries during the guarantee period

针对目前市场中三包期内动力铅蓄电池性能不良而导致退货率高的问题,把电池组分类,从外观、开路电压、电压差、大电流放电测量、电池充放电检析等方面进行归类判定。

In view of the high return rate of electric vehicle power batteries in the market during the guarantee period at present, the systematic classification analysis and judgment were carried out in terms of appearance, open circuit voltage, voltage difference, high rate discharge measurement, battery charging and discharging test, and so on.