Optimization and Application of MH/Ni Power Batteries System

In this paper, optimization of the Ni/MH power batteries used in fuel cell city bus was studied and analyzed. And the charging/discharging performance of these batteries was studied. Using power battery simulated testing system, it totaled 320 power batteries of 100Ah capacity selected. Then battery pack with voltage of 384V was assembled by serial and was tested in simulation by ARBIN equipment. The results showed that the charging/discharging efficiency reached 96 per cent at 1C and the environment temperature is 28 degree centigrade. The experiment indicated that the selected batteries showed excellent high-rate capability, good conformability and reliability.