Sou Hu Cai Jing·2026-02-07 21:53Core Viewpoint - BYD has filed an international patent application for a new graphite material and its preparation method, indicating a strong focus on innovation and R&D in the battery sector [1] Group 1: Patent Information - The patent is titled "Graphite Material, Preparation Method of Graphite Material, Negative Electrode, Secondary Battery, and Electric Equipment" with application number PCT/CN2025/075564, published internationally on February 5, 2026 [1] - This year, BYD has announced a total of 262 international patent applications, representing a significant increase of 495.45% 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 research and development, which is a year-on-year increase of 50.84% [1]