宁德时代公布国际专利申请：“正极材料、二次电池及用电装置”

Group 1 - The core point of the article is that CATL (Contemporary Amperex Technology Co., Limited) has filed an international patent application for a new technology related to cathode materials and secondary batteries, indicating ongoing innovation in the battery sector [1] - The patent application number is PCT/CN2025/079553, with an international publication date set for February 26, 2026 [1] - CATL has announced a total of 279 international patent applications this year, representing a 33.49% increase compared to the same period last year [1] Group 2 - In the first half of 2025, CATL invested 10.095 billion yuan in research and development, which is a year-on-year increase of 17.48% [1]