Core Insights - The article highlights the advancements and innovations in the energy storage sector showcased at the 2025 International Digital Energy Exhibition, emphasizing the role of companies like BYD, Huawei, and others in developing cutting-edge storage solutions and technologies [3][4]. Group 1: Policy and Industry Trends - The Shenzhen Development and Reform Commission released the "2025 Shenzhen Digital Energy White Paper," outlining a path to becoming a global leader in digital energy, focusing on six key areas: source, network, load, storage, data, and carbon [3]. - The exhibition emphasized the importance of policy guidance and the development of energy in Shenzhen, with a vision to create a "supercharging city 2.0" and a virtual power plant management cloud platform [3]. Group 2: BYD Innovations - BYD introduced its new energy storage product "Haohan," which has a minimum unit capacity of 14.5 MWh and can achieve a maximum capacity of 10 MWh within a 20-foot container, boasting a global highest Vcts of 52.1%, an increase of 39.7% over the industry standard [7]. - The Haohan system features an IP66 protection level, enhancing the lifespan of sensitive components by 100% and reducing system failure rates and maintenance costs by 70% [7]. Group 3: Huawei's Contributions - Huawei showcased its intelligent string-type grid-connected energy storage solutions, emphasizing a full-stack safety architecture and six core capabilities for all-scenario grid integration [10]. - The solutions include the LUNA2000 series and SPMS2000-A01 management system, which enhance lifecycle economics and operational efficiency through full-link digitalization [10]. Group 4: Other Notable Companies - Xiaohai Energy presented its "Star Array" smart energy management system, which integrates AI for energy dispatching, enabling businesses to optimize energy costs and efficiency [13]. - XWANDA displayed its 684Ah and 588Ah energy storage cells, featuring high energy density and long cycle life, with the 684Ah cell achieving over 440 Wh/L [16]. - TuoBang introduced its liquid-cooled energy storage system and the "Zero Carbon Cloud" platform, which enhances energy system efficiency through intelligent modules [19]. Group 5: Emerging Technologies - Shandong Electric showcased its V-Titan 1 energy storage system, which operates efficiently across a wide temperature range and has no capacity degradation over its lifecycle [22]. - NARI Group presented its "4S" energy storage system, focusing on accurate demand assessment, flexible power control, and proactive battery safety [25]. - Dongfang Electronics highlighted its grid-connected storage technology, which enhances energy quality and operational efficiency through advanced control algorithms [28]. Group 6: Future Directions - The article indicates a strong trend towards integrating AI and digital technologies in energy management systems, with companies like Jianjie IoT and YuanYang Energy showcasing their advanced EMS solutions [48][53]. - The focus on sustainability and zero-carbon solutions is evident, with multiple companies presenting integrated energy systems that support renewable energy sources and efficient energy management [40][46].