韩国电池制造商 SK On 准备开始转换产品设计，在其位于大田的研究中心建设一条生产方形电池的试验线，专注于传统的顶部极耳设计的方形电池；SK On 也在开发一种侧极耳设计的棱柱形电池，和蜂巢的短刀电池、比亚迪的刀片电池相似，这种设计有助于提高能量密度和实现无模块化
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