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电池快充(快换)是市场对电动汽车的必然要求

2019-3-1 13:29:26??????点击:
1)电池快充的技术难点:能做到20分钟充满电,电动汽车的市场竞争力将会明显提升。其难点是:
a)要有能接受快充的电池。前磷酸铁锂锂离子电池来说是可能的3CA的充电倍率进行充电,钛酸锂电池可以接受更高的10CA的充电倍率进行充电。
b)20分钟充满电,那至少要用3CA的充电倍率进行充电,电池组导线及接头的容量至少要增加5倍以上,如何解决?
c)充电设备所需的功率很大。以一辆电动大巴为例,它配置600Ah的电池120个。3CA的充电电流为1800A,充电电压510V。充电器的输出功率为918kw,电网提供的功率1150kw,如何解决?
2)电池快换的技术难点:换一次电池的时间大约需要10分钟,大众是满意度,但是其技术难点是:
a)用快速更换法时,要求电池组的容量减半。这样一来,电池的放电倍率增加一倍,会使电池的寿命减少。
b)用快速更换法时,对电池组的标准化设计和电池的一致性、充电控制要求更高,增加电动车的运行成本。
c)如果仍然保持电池合理的配置,那么也要增加一倍的电池储备,自?#25442;?#22686;加电动车的运行成本。
上海施能电器设备有限公司始建于1984年,上海市高新技术企业,中国工业车辆优秀配套供应商,上海电器行业名优产品,主要生产工频系列充电机,高频系列充电机,锂电池充电机,系列放电机,系列充放电机等电器产品。
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