锂电产业链双周报（2026年1月第2期）：宁德时代发布轻商钠电池，固态电池有望应用于太空场景

Investment Rating - The investment rating for the lithium battery industry is "Outperform the Market" (maintained) [1] Core Insights - The lithium battery industry is experiencing a price increase in lithium salts, with carbonate lithium prices reaching 171,000 yuan per ton, up by 31,000 yuan compared to two weeks ago [2] - Major companies in the lithium battery sector are recommended for investment, including CATL, Yiwei Lithium Energy, and others, due to favorable demand and low valuations [2] - Solid-state battery technology is advancing, with various companies announcing projects and collaborations to enhance production capabilities and applications [4][10] Industry Dynamics - Lithium battery prices are on the rise, with significant increases in the prices of ternary cathodes and lithium iron phosphate cathodes, while other components remain stable [2] - The domestic sales of new energy vehicles reached 1,649.1 million units in 2025, a year-on-year increase of 28% [4] - In Europe, new energy vehicle sales in December 2025 reached 324,000 units, a 39% increase year-on-year [4] Company Developments - CATL has launched a sodium battery solution for light commercial vehicles, capable of operating in extreme temperatures [10] - Yiwei Lithium Energy has begun supplying battery products for commercial aerospace applications, indicating a diversification into high-reliability sectors [13] - A strategic cooperation agreement was signed between Enli Power and Enjie, focusing on solid-state battery materials [10] Market Trends - The lithium battery sector saw a 4.4% decline in stock prices over the past two weeks, while battery chemical and specialized equipment sectors experienced increases of 4.1% and 8.3%, respectively [8] - The market is witnessing significant fluctuations in stock prices among key players, with notable increases for companies like Hunan Youneng and Purtai [8] Material Prices - The price of lithium carbonate has increased by 22.1% in the last two weeks, reflecting a broader trend of rising raw material costs in the lithium battery supply chain [16] - The price of lithium iron phosphate has also seen a significant increase of 15.5% recently, indicating strong demand for this material [16]