Group 1 - BYD Company Limited has applied for a patent titled "Electrode, Battery, Battery Module and Power Equipment," with publication number CN120545304A, filed on April 2025 [1] - The patent relates to battery technology, specifically focusing on the structure of electrodes and their connection to external components, which aims to enhance the uniformity of current density distribution and extend the lifespan of the electrodes [1] - The patent describes a design where the average particle size D50 of active materials varies between different regions of the electrode layers, which helps reduce fatigue failure rates at the ends of the electrodes [1] Group 2 - BYD Company Limited was established in 1995 and is located in Shenzhen, primarily engaged in the automotive manufacturing industry [2] - The company has a registered capital of approximately 303.91 million RMB and has made investments in 106 enterprises [2] - BYD has participated in 996 bidding projects and holds 1820 trademark records and 5000 patent records, along with 149 administrative licenses [2]