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今年4月的时候,福特宣布向电动皮卡汽车公司 Rivian 投资 5 亿美 元,用于制造一款全新的电动车辆。福特公司计划利用 Rivian 的“skateboard”平台研发一款新车型,作为其已有电动车系列发展计划的一个备份。这个平台仔细看比较有意思:
Rivian的设计思路也是从21700电芯入手,主要的方案是采用三明治的方式,这算是从特斯拉的迭代设计中采取一种不一样的路径,通过两个模组上下单面冷却,模组之间采用一块大的冷板。如下图所示,这里的电芯下面是倒着放的。
电芯先做成单块模组
然后如下图所示,实际的模组的高度比较高,等于把两块21700的模组复合在了一起。
模组的正面是模组的输出线排,通过快插连接器进行桥接
在模组的另一面则把上下母线排通过母线排进行连接。
用21700,Rivian做电芯测试相对更容易一些。
通过这种大的模组,Rivian可以组成很大的的电池系统,按照现在的规格为135kwh和180kwh两种配置,主要用于纯电动的皮卡和大型的SUV。
小结:跟随着特斯拉做皮卡,后面这种属于美式超豪华,动辄130kwh甚至更大的电池系统的出现让我们看到了更大的电动玩具的可能性
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/53183.html
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