国泰海通｜电新：碳酸锂迎来上涨，钠电产业加速落地

Group 1 - The sodium battery industry is expected to accelerate its implementation, with companies involved in the sodium-ion battery supply chain likely to benefit first [1] - Lithium carbonate prices have gained significant attention, with the main contract on the Shanghai Futures Exchange reaching a peak of 100,000 yuan on November 20, marking an increase of over 30% since October 9 [1] - Rongbai Technology has been designated as the first supplier of sodium battery cathode materials for CATL, with a commitment to purchase at least 60% of its total procurement volume if certain standards are met [1] Group 2 - Sodium batteries are anticipated to effectively complement lithium batteries, despite having lower energy density due to the lower specific capacity and capacity density of sodium [2] - The sodium battery supply chain has completed its initial setup and is poised for a period of industrial scale expansion, driven by the rapid rise of new energy vehicles since 2021 [2] - CATL's sodium-ion battery has achieved a single-cell energy density of 160 Wh/kg, with the ability to charge to 80% in just 15 minutes at room temperature, indicating significant advancements in technology [2]