行家说储能·2025-09-18 09:20Core Viewpoint - BYD has officially launched its new generation energy storage system "Haohan" at the 2025 International Digital Energy Expo, emphasizing its advanced design and efficiency improvements in energy density and system integration [2][8]. Group 1: Product Specifications - The minimum unit capacity of the "Haohan" system is 14.5 MWh, with a volumetric energy density of 233.8 kWh/m³, which is 51.4% higher than the industry average [3]. - The system's design philosophy focuses on simplicity, requiring only 69 units for a 1 GWh storage station, reducing the number of system units by 52%, battery clusters by 76%, and footprint by 33% compared to traditional solutions [5]. - The energy storage system utilizes BYD's 2710Ah large-capacity blade battery, which offers a 300% increase in capacity compared to conventional batteries [7]. Group 2: Competitive Landscape - Major players in the energy storage market, including CATL, Sungrow, and Tesla, have also introduced new large-capacity storage solutions this year, indicating heightened competition and a race for defining the next generation of energy storage systems [8]. - The competitive analysis shows that BYD's "Haohan" emphasizes land area savings, while Tesla's Megapack 3 achieves a round-trip efficiency of 91% and has a simplified thermal management system [12]. - Other competitors like CATL and Sungrow are focusing on different aspects such as zero degradation technology and environmental resilience, respectively, highlighting the diverse strategies in the market [11][12].