硫化锂需求加速释放 上市公司下好“先手棋”

Core Viewpoint - The solid-state battery sector is experiencing significant technological breakthroughs, leading to increased market interest and investment, particularly in lithium sulfide as a key material for solid-state electrolytes [1] Industry Overview - The solid-state battery technology can be categorized into three main types based on electrolyte: oxide, sulfide, and polymer, with sulfide electrolytes showing high ionic conductivity and commercial potential [1] - Lithium sulfide is identified as a core raw material for sulfide solid electrolytes, directly impacting ionic conductivity, stability, and overall battery performance [1] Market Demand and Pricing - Demand for lithium sulfide is projected to reach a hundred-ton level by 2025 and is expected to escalate to a thousand-ton level by 2026, indicating a rapid growth trajectory [1] - In the sulfide electrolyte material system, lithium sulfide accounts for approximately 40% of the material composition, with market prices ranging from 3 million to 5 million yuan per ton, contributing to about 80% of the cost of sulfide solid electrolytes [1] Company Developments - Tianqi Lithium Industries has completed preparations for the industrialization of lithium sulfide and is advancing product quality and cost-reduction technologies, with a pilot project for 50 tons of lithium sulfide already underway [2] - Huizhou EVE Energy Co., Ltd. has developed samples of soft-pack sulfide solid-state batteries and plans to achieve breakthroughs in production processes by 2026 [2] - Contemporary Amperex Technology Co., Ltd. has expanded its R&D team to over 1,000 people and is progressing towards small-scale production of sulfide solid-state batteries by 2027 [2] Production Capacity - Yunnan Enjie New Materials Co., Ltd. has established a pilot production line for high-purity lithium sulfide and has completed the construction of a hundred-ton pilot line, indicating readiness for shipment [3] - The industry is still in the early stages of development, with future needs for scaling production and upgrading processes to overcome cost and technical barriers for large-scale industrial application [3]