金融界 2025 年 3 月 29 日消息，国家知识产权局信息显示，通用汽车环球科技运作有限责任公司申请一项名为“用于方形电池单元的制造工艺”的专利，公开号 CN 119695361 A，申请日期为 2023 年 11 月。
专利摘要显示，一种用于制造外壳的方法包括设计对应于三维(3D)外壳主体的二维(2D)坯件；在金属板上规划 N 个 2D 坯件，其中 N 是大于 1 的整数；将 N 个 2D 坯件与金属板分离；将 N 个 2D 坯件弯曲和/或折叠成 3D 外壳主体；以及连接 3D 外壳主体的多个边缘。
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