比亚迪公布国际专利申请：“正极材料、正极极片、锂离子电池和用电设备”

Group 1 - BYD has filed an international patent application for "cathode materials, cathode sheets, lithium-ion batteries, and electric devices" with application number PCT/CN2025/115984, published internationally on February 26, 2026 [1] - In 2023, BYD has announced a total of 382 international patent applications, representing a significant increase of 526.23% 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]