CATL(SZ:300750) Sou Hu Cai Jing·2025-10-13 21:31Core Insights - Contemporary Amperex Technology Co., Limited (CATL) has filed an international patent application for a battery device and electrical device, with the application number PCT/CN2024/128582, set to be published on October 9, 2025 [1][2]. Patent Details - The patent titled "Battery Device and Electrical Device" includes a case, battery cells, and a protective plate, with specific structural features aimed at enhancing safety and performance [2]. - The patent application was filed on October 30, 2024, and the priority date is April 1, 2024 [2]. R&D Investment and Patent Activity - In 2023, CATL has published 1,174 international patent applications, representing a 22.8% increase compared to the same period last year [3]. - The company invested 10.095 billion yuan in research and development in the first half of 2023, which is a year-on-year increase of 17.48% [3].