Sou Hu Cai Jing·2026-02-07 21:47Core Insights - BYD has filed an international patent application titled "Battery Casing, Battery, Battery Pack and Electric Device" with the application number PCT/CN2025/079373, which is set to be published internationally on February 5, 2026 [1][2]. Patent Details - The patent application falls under the international patent classification codes H01M 50/593 and H01M 50/15 [2]. - The patent includes an abstract describing an electric device that consists of a battery and a battery pack, detailing components such as a casing, battery cell assembly, cover assembly, and insulated separator [2]. R&D Investment - In 2025, BYD has announced a total of 262 international patent applications, marking a significant increase of 495.45% compared to the same period last year [1][2]. - The company invested 29.596 billion yuan in research and development in the first half of 2025, reflecting a year-on-year increase of 50.84% [1][2].