比亚迪公布国际专利申请：“正极补锂材料及其制备方法、正极、电池及用电设备”

Group 1 - BYD has announced an international patent application titled "Lithium Supplementing Material for Cathode and Its Preparation Method, Cathode, Battery and Electric Device" with application number PCT/CN2025/079391, published internationally on November 6, 2025 [1] - The company has filed a total of 594 international patent applications this year, representing an increase of 88.57% compared to the same period last year [4] - In the first half of 2025, BYD invested 29.596 billion yuan in research and development, which is a year-on-year increase of 50.84% [4]