Zheng Quan Shi Bao·2025-12-08 18:12Core Viewpoint - The rapid increase in lithium carbonate prices is driving companies to accelerate their investments in sodium-ion batteries, which are gaining attention due to their abundant resources and lower costs [1][2]. Industry Trends - Sodium-ion batteries are entering a "critical window" for technological breakthroughs and commercial applications, although challenges such as supply chain support and standardization remain [1]. - The price of lithium carbonate has surged over 30% since October 9, reaching over 100,000 yuan/ton by November 20, prompting a strong demand for cost reduction in the industry [2]. - Sodium-ion batteries are becoming a focal point due to their unique cost and resource advantages, with raw material costs being 30% to 40% lower than lithium batteries [3]. Company Developments - Companies are increasingly recognizing the comprehensive advantages of sodium-ion batteries in safety, cost, and performance, leading to accelerated investments in this sector [4]. - Notable partnerships include CATL signing a procurement agreement with Rongbai Technology, committing to a minimum annual purchase of 60% of its total procurement from Rongbai for sodium-ion battery materials [4]. - Companies like Xinheng Technology are investing in large-scale production of sodium-ion battery materials, with a project to produce 100,000 tons of sodium-ion positive materials and 6 GWh of battery cells [4][5]. Technological Advancements - Sodium-ion batteries are showing significant advantages in various applications, particularly in energy storage, where their low cost, long cycle life, and safety features are becoming increasingly relevant [7]. - The technology has seen breakthroughs, with CATL launching the world's first mass-produced sodium-ion battery, which has already passed national certification [8]. - The cost of sodium-ion cells is expected to be comparable to lithium-ion cells, but the overall cost of sodium-ion batteries is projected to be 30% lower [8]. Market Dynamics - Sodium-ion batteries are not simply a replacement for lithium batteries but are expected to complement them, targeting cost-sensitive applications and lower energy density needs, while lithium batteries maintain their advantage in high-energy-density and premium applications [9]. - The expected market demand for sodium-ion battery materials is projected to reach 2 million tons by 2035, with a significant shift in the market share between lithium iron phosphate and sodium-ion batteries [8].