高工锂电·2025-11-04 11:54Group 1 - The 2025 (15th) High-tech Lithium Battery Annual Conference will be held from November 18-20, 2025, at JW Marriott Hotel in Shenzhen [4] - China Petrochemical Corporation (Sinopec) has signed an agreement with LG Chem to jointly develop key materials for sodium-ion batteries, targeting the energy storage and low-speed electric vehicle markets [4][5] - LG Chem's first-generation sodium-ion battery is expected to be mass-produced by 2027, with a second-generation battery achieving a performance of 450Wh/L suitable for new energy vehicles [4] Group 2 - Sinopec plans to build approximately 10,000 photovoltaic stations in oil and gas mining areas, petrochemical industrial parks, and gas stations by 2027, while also advancing its new energy storage industry [5] - The economic viability of sodium-ion energy storage has been improving, particularly with the rapid progress of the NFPP technology route, making it an ideal choice for large-scale energy storage systems [6] - The collaboration between Sinopec and LG Chem represents a strategic partnership with a focus on different battery types, enhancing Sinopec's resource integration capabilities in the energy sector [7]