Core Insights - Contemporary Amperex Technology Co., Limited (CATL) has filed an international patent application for a positive electrode active material, positive electrode sheet, cylindrical battery cell, battery, and electric device, with the application number PCT/CN2025/072671, published internationally on October 30, 2025 [1][2]. Patent Details - The patent application includes a positive electrode active material that consists of a core portion made of lithium-containing transition metal oxide and a coating layer that covers part of the core's surface, which includes polymers such as fluoropolymers and oxygen-containing polymers [2]. - The application aims to reduce battery swelling and improve cycle performance when applied to batteries [2]. R&D Investment - In 2023, CATL has filed a total of 1,267 international patent applications, representing a 19.53% increase compared to the same period last year [1]. - 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% [1].

Core Viewpoint - Zhuhai Guanyu (688772) has been ordered by the Fujian Provincial High Court to pay ATL 9.9029 million yuan in a patent dispute, with the company also required to cease manufacturing and selling related battery models [1][3] Group 1: Legal Proceedings - The company is currently in the appeal period for the first-instance judgment, which has not yet taken effect, and will actively pursue legal measures to protect its technology and products [3] - ATL has previously claimed that the company's products infringe on its patent ZL201811108529.X, leading to the lawsuit [3] - As of the announcement date, 14 of ATL's patents have been declared invalid by the National Intellectual Property Administration or through court rulings, with 12 cases withdrawn by ATL and 4 cases dismissed by the court [3] Group 2: Research and Development - The company has maintained a strong focus on lithium-ion battery technology development, with R&D investment reaching 818.13 million yuan in the first half of 2025, accounting for 13.42% of revenue, a year-on-year increase of 23.20% [4] - As of June 30, 2025, the company holds 2,377 valid domestic patents, including 725 invention patents, 1,624 utility model patents, and 28 design patents, with nearly 6,000 total applications [4] - The company has begun mass production of semi-solid batteries and is actively engaging with clients for the development of all-solid-state batteries [4] Group 3: Financial Performance - In the first half of 2025, the company achieved total revenue of 6.098 billion yuan, a year-on-year increase of 14.03%, and a net profit attributable to shareholders of 117 million yuan, up 14.77% [4] - The company's gross profit margin decreased from 24.39% in the same period of 2024 to 23.31%, with a net profit margin of only 1.12%, down from 1.73% in the 2023 semi-annual report [5] - The company's asset-liability ratio increased from 65.32% in 2024 to 67.7% in the first half of this year [5]

Group 1 - The company has existing products such as negative electrode glue and thermal conductive glue that can be used in semi-solid batteries, covering the entire process of cell manufacturing, module packaging, and thermal management [1] - The all-solid-state battery has not yet entered the stage of mass commercialization, and the company is actively conducting market research and laying out the development of related products [1]

4月17日，亿纬锂能披露2024年"成绩单"。 据 2024年年度报告显示， 亿纬锂能去年实现 营收486.15亿元 ，同比下降0.3%； 净利润40.76亿元，同比上升0.6% ； 扣非净利润 31.62亿元，同比增长14.76%。 单看第四季度， 亿纬锂能 营收145.7亿元， 净利润8.87亿元， 扣非净利润6.62亿元， 实现三线同增 ， 分别增长9.9%、 41.7%、 10.3%。 综合年报来看， 亿纬锂能过去一年的表现可圈可点，早已为业绩增长奠定了基础。 众所周知，亿纬锂能一直以 消费电池、动力电池、储能电池三大业务板块进行布局，其中消费电池业务包括锂原电池、小型锂离子电池、圆 柱电池，动力电池业务包括新能源汽车电池及其电池系统。 报告期内，亿纬锂能 消费、动力、储能三大板块均实现较大突破。 具体来看， 消费电池 营收103.22亿元，同比增长23.44%， 占营收比重21.23%。 其中，锂原电池产品包括 锂-亚硫酰氯电池、锂-二氧化锰电池、电池电容器（SPC）、复合电源ES等，适用于 各类智能表计、汽车电子、 智能安防、智慧医疗、定位追踪、资源监测等物联网及新兴产业。据悉，其锂亚硫酰氯电池（ ...

京都大学等机构研发的正极材料"氮化铜"能够使氮原子与氟化物离子反应，每个氮原子能提取三 个电子，因此其体积当量容量是锂离子电池的三倍，重量当量容量则为两倍。 1月26日，日本京都大学与丰田汽车等研究团队宣布，他们成功提升了全固态氟化物离子 电池 正 极的体积当量容量，使其达到锂离子电池的三倍以上。 这种新型电池的体积能量密度预计将是当前锂离子电池的两倍多，研究人员计划在2035年后将其 应用于电动汽车。 此外，该材料具有良好的耐久性，能够支持数十次充放电。如果成功应用该电极组装全固态氟化 物离子电池，预计其体积能量密度将是锂离子电池的两倍以上，这意味着电动汽车的续航里程有 望从当前的约600公里提升至1200公里左右。研究团队正着手进行负极和固体电解质的进一步开 发。 （ 来源：一电快讯 ） 圆柱电池巡访： ☆走进国轩高科 ☆走进利维能 ☆走进诺达智慧 ☆走进中泽科技 ☆走进苏州力神 ☆走进睿恩新能源 ☆走进天鹏电源 ☆走进中比新能 源 ☆走进天能集团 ☆走进新能安 ☆走进浙江锋锂 ☆走进华立源 ☆走进鹏辉能源 ☆走进欣旺达锂威 ☆走进深圳中基 ☆走进博力威 ☆走进恒泰科技 圆柱电池论坛： 行业首届圆柱电池技 ...