Chan Ye Xin Xi Wang·2025-12-13 02:24Core Insights - The article emphasizes the critical role of battery cell shells as protective structures for internal electrochemical materials, highlighting their importance in safety, sealing, heat dissipation, and resistance to internal expansion [1][2] - The market for battery cell shells is projected to reach approximately 28.1 billion yuan in 2024 and is expected to grow to 37.4 billion yuan by 2025, driven by the demand from electric vehicles, energy storage, and consumer electronics [1][7] Industry Overview - Battery cell shells serve as the "armor" for cells, protecting key components like the anode, cathode, separator, and electrolyte from physical damage and environmental factors [2][4] - The industry chain is tightly interconnected, with upstream materials primarily consisting of aluminum, steel, and emerging composite materials, while leading manufacturers like Keda Li and Zhenyu Technology dominate the midstream production [4][5] Market Dynamics - The demand for battery cell shells is characterized by a dominant focus on power batteries, a rapidly growing energy storage sector, and stable support from consumer electronics [5][6] - In 2025, the domestic power battery installation volume is expected to reach 578.0 GWh, marking a significant year-on-year increase of 42.4%, with lithium iron phosphate batteries accounting for over 80% of this growth [5][6] Competitive Landscape - The Chinese battery cell shell industry is highly concentrated, with the top five companies holding over 42% market share. Keda Li and Zhenyu Technology form the first tier, closely linked with major battery manufacturers like CATL and BYD [8][10] - The second tier includes companies like Sileck and Lingyun, which focus on specific technologies and partnerships to expand their market presence [8][10] Development Trends - The industry is expected to evolve towards extreme safety, material innovation (such as composite materials), and higher integration with battery systems, with a shift from precision manufacturing to providing integrated solutions [11][14] - The introduction of stringent safety standards, such as GB 38031-2025, is driving fundamental changes in materials and design, pushing for innovations in composite materials that enhance safety and reduce weight [11][12][13]