比亚迪公布国际专利申请：“正极补锂集流体及其制备方法、正极极片、锂离子电池和用电设备”

Core Viewpoint - BYD has filed an international patent application for a lithium-ion battery technology, indicating a strong focus on innovation and R&D investment [1] Group 1: Patent Information - The patent is titled "Cathode Lithium Supplementation Current Collector and Its Preparation Method, Cathode Sheet, Lithium-Ion Battery, and Electric Equipment" with application number PCT/CN2025/112576, published internationally on February 12, 2026 [1] - This year, BYD has announced a total of 323 international patent applications, representing a 546% increase compared to the same period last year [1] Group 2: R&D Investment - In the first half of 2025, BYD invested 29.596 billion yuan in R&D, which is a year-on-year increase of 50.84% [1]