CATL(SZ:300750) Sou Hu Cai Jing·2025-10-13 21:31Core Insights - Contemporary Amperex Technology Co., Limited (CATL) has filed 1,174 international patent applications this year, representing a 22.8% increase compared to the same period last year [2] - The company invested CNY 10.095 billion in research and development in the first half of the year, which is a year-on-year increase of 17.48% [2] Patent Details - The patent application titled "Battery and Preparation Method Therefor, and Electric Device" includes specifications on the composition of the battery, highlighting a water mass proportion of 50 ppm to 300 ppm for the positive electrode and 30 ppm to 200 ppm for the negative electrode [1] - The electrolyte in the battery comprises a first lithium salt, specifically LiN(SO2R)2, with a mass proportion of 3% to 10% based on the total mass of the electrolyte, indicating a focus on enhancing cycle life [1] Company Overview - CATL is based in Ningde, Fujian Province, China, and is recognized for its advancements in battery technology and electric devices [1] - The company is actively expanding its intellectual property portfolio, which is crucial for maintaining a competitive edge in the rapidly evolving battery industry [2]