Group 1 - BYD has filed an international patent application for a battery cover, battery, battery pack, and electric equipment, with the application number PCT/CN2025/078345 and an international publication date of March 5, 2026 [1] - In 2023, BYD has announced a total of 455 international patent applications, representing an increase of 461.73% compared to the same period last year [1] - For 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]