证券之星消息，根据企查查数据显示宁德时代（300750）公布了一项国际专利申请，专利名为"正极活性材料、正极极片、圆柱电池单体、电池和 用电装置"，专利申请号为PCT/CN2025/072671，国际公布日为2025年10月30日。 专利详情如下： | (12)按照专利合作条约所公布的国际申请 | (19)世界知识产权组织 | | | | | | --- | --- | --- | --- | --- | --- | | 图 家 周 | (10) 国际公布号 | (43) 国际公布日 | WO 2025/222968 A1 | | | | WIPO PCT | 2025年10月30日(30.10.2025) | | | | | | (51) 国际专利分类号: | 港路2号 352100 (CN)。重補元(DONG, Hanyuan); | H0IM 4/36 (2006.01) | H01M 4/505 (2010.01) | 中国福建省宁德市蕉城区漳湾镇新港路2号 | | | H01M 4/62 (2006.01) | H01M 4/131 (2010.01) | 352100(CN)。 柳娜(LIU, N ...

Core Points - Contemporary Amperex Technology Co., Limited (CATL) has filed an international patent application for a positive electrode active material and its preparation method, battery, and electric device, with the application number PCT/CN2024/117705, published internationally on October 9, 2025 [1][2] - The positive electrode active material includes phosphate particles and a carbon coating layer, which enhances battery performance by reducing expansion rates and improving cycle performance [2] Patent Details - The patent application was filed under the Patent Cooperation Treaty (PCT) and is classified under several international patent classification codes, including H01M 4/38, H01M 4/36, and H01M 10/0525 [2] - The application was submitted on September 9, 2024, with a priority date of April 1, 2024 [2] - The patent aims to improve the performance of battery cells, which is critical for the electric vehicle and energy storage markets [2] R&D Investment - 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 the year, reflecting a year-on-year increase of 17.48% [3]

Group 1 - The core point of the article is that Contemporary Amperex Technology Co., Ltd. (CATL) has applied for a patent related to a separator membrane, battery, and power device, which aims to enhance battery cycle life [1] - The patent application, published as CN120413988A, was filed on January 2024 and falls under the battery technology sector [1] - The separator membrane includes a substrate layer that consists of a first porous insulating layer and a structure of alkali metal ion exchange resin within the first porous insulating layer, which can effectively improve the battery's cycle life [1] Group 2 - CATL was established in 2011 and is located in Ningde City, primarily engaged in the manufacturing of electrical machinery and equipment [1] - The company has a registered capital of approximately 440.34 million RMB [1] - According to data from Tianyancha, CATL has invested in 137 companies, participated in 504 bidding projects, and holds 658 trademark records along with 5,000 patent records, in addition to having 985 administrative licenses [1]