宁德时代公布国际专利申请：“电池壳盖焊接系统及其点检方法”

Group 1 - The core point of the article highlights that CATL has filed 1,009 international patent applications this year, representing a 16.78% increase compared to the same period last year [3] - The company invested 10.095 billion yuan in research and development in the first half of this year, which is a year-on-year increase of 17.48% [3]