电动汽车铅酸蓄电池快速充电方法的研究

Research on the quick-charge technology of EV battery

电动汽车铅酸蓄电池的快速充电技术是电动汽车推向市场的关键之一。对铅酸蓄电池的快速充电问题进行研究 ,在建立数学模型的基础上 ,结合马斯定律 ,对正、反脉冲相间去极化的快速充电原理进行了深入的研究 ,并通过大量的试验对其有效性和可行性进行了验证 ,在此基础上提出了一种快速充电控制策略 ,根据此策略研制了快速充电机。给出了快速充电控制策略的试验结果及充电波形并对之进行讨论 ,验证了此快速充电策略的有效性 。

Electric vehicle (EV) is considered as green vehicle for the 21st century. The popularity of EV will be greatly enhanced by the availability of quick charge technology. The principle of quick charge with pulse discharge for eliminating polarization and the algorithm of quick charge is presented. The design of the charger produced according to the algorithm is described along with the key test waveform and the experimental results.