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CATL has been granted invention patent authorization: "Battery electrodes, electrode components, batteries, and electrical equipment"

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.05.14
Securities Star News: According to data from Qichacha, CATL (300750) has obtained a new invention patent authorization, titled "Battery Electrode, Electrode Assembly, Battery and Electrical Equipment". The patent application number is CN202210759331.8, and the authorization date is May 10, 2024.

Patent Abstract: This application relates to the field of battery technology, particularly to a battery electrode, electrode assembly, battery, and electrical equipment. The battery electrode of the present application comprises a current collector, with at least one surface of the current collector provided with a first coating area and an active material layer provided in the first coating area. The active material layer comprises a first active material layer, a second active material layer, and a third active material layer sequentially connected from top to bottom along the height direction of the current collector, wherein the attenuation rate of the active material in the second active material layer is lower than that of any one of the first and third active material layers. The battery electrode of this application can make the decay rate of the first active material layer, the second active material layer, and the third active material layer basically consistent, thereby improving the overall service life of the battery electrode and enhancing the overall service life of the battery.


Attached drawings of patent abstract

Since the beginning of this year, CATL has obtained 1284 new patent authorizations, an increase of 111.53% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 18.356 billion yuan in research and development, a year-on-year increase of 18.35%.
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