比亚迪公布国际专利申请：“极片、电芯单元、电池和用电设备”

Group 1 - The core point of the article is that BYD has filed an international patent application for a technology related to battery components, indicating its ongoing innovation efforts in the battery sector [1] - The patent application number is PCT/CN2025/116213, with an international publication date set for March 5, 2026 [1] - In 2023, BYD has announced a total of 460 international patent applications, representing a significant increase of 467.9% compared to the same period last year [1] Group 2 - 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% [1]