鑫椤锂电·2025-10-23 08:28Core Viewpoint - Sinopec's successful deployment of a 125 kW iron-chromium flow battery energy storage system marks a significant breakthrough in long-duration energy storage technology integration and engineering [1][4][7] Group 1: Project Overview - The energy storage system has been successfully implemented at Sinopec's Hebei Oil Center, achieving over 70% efficiency on the AC side, integrating photovoltaic, storage, and charging systems [1][3] - The project establishes a distributed comprehensive energy unit that allows for the preferential storage of clean electricity generated from solar energy, enhancing local grid regulation and supply resilience [1][3] Group 2: Technological Innovations - Sinopec's Dalian Institute has developed a high-stability electrolyte and an innovative integrated sealed stack structure, significantly improving the safety and reliability of the battery [3] - Breakthroughs in environmentally friendly capacity recovery processes have addressed key issues hindering industrialization, paving the way for broader applications of iron-chromium flow batteries [3] Group 3: Impact on Power Systems - The project is expected to support urban energy structure optimization and contribute to the establishment of a green low-carbon energy system [4] - Continuous technological iteration and large-scale application are planned, with potential explorations in various sectors including industry, transportation, and residential energy use [4] Group 4: Future of Clean Energy - The project exemplifies China's proactive role in global energy transition, aligning with national goals for carbon peak and carbon neutrality [6] - As clean energy usage becomes mainstream, Sinopec's efforts will contribute to a more diversified energy structure and an increasing share of clean energy [6]