Sodium-ion Battery Industry Enters Critical Phase of Mass Production and Cost Reduction; Investors Focus on Upstream Materials and Midstream Cell Manufacturing Capabilities

Unstable lithium supply, coupled with sustained demand growth from energy storage and other markets, has propelled sodium-ion batteries from conceptual development into commercialization. Leveraging advantages in cost and safety, sodium-ion batteries can effectively replace lead-acid batteries and complement lithium-ion batteries across different application scenarios. The core focus of current industry development lies in reducing costs through large-scale mass production—a goal requiring substantial capital to support cutting-edge process R&D, material capacity expansion, and cell production line investments. Recently, primary market financing has been active, with investor attention shifting from early-stage lab technologies to companies demonstrating real-world implementation capabilities. Evaluation criteria now center on whether a company can build production lines, overcome material bottlenecks, and deliver commercial orders. In April 2024, Qingna Technology secured RMB 200 million in strategic financing to construct an 8 GWh intelligent sodium-ion battery production line. Jiana Energy completed a Series A+ round raising several hundred million RMB, primarily for advancing key material iterations. In July, Na-Xin New Energy established a cathode material facility in Meishan, Sichuan, and closed a new funding round; meanwhile, specialized players like Zhaona New Energy and Yingo Tech, along with upstream material supplier Dachao Carbon Energy, also received fresh capital injections. Funding is primarily flowing toward upstream core material suppliers and midstream cell manufacturers with differentiated technologies, while homogeneous projects face increasing difficulty securing investment. Some companies have already entered a virtuous cycle of capacity expansion and cost reduction through financing—for example, Zhongna Energy has effectively absorbed its production capacity post-facility completion and is advancing further scale-up. Coordinated progress between material and cell makers is expected to bring sodium-ion battery costs close to those of lithium iron phosphate (LFP) batteries by 2027, accelerating the replacement of lead-acid batteries and solidifying a complementary relationship with lithium-ion technology. Leading sodium-ion battery companies have now completed multiple funding rounds, laying the groundwork for future IPOs. Driven by resource security concerns and performance advantages, the sector’s long-term outlook is clear, though near-term competition centers on mass production capability and cost control. Companies with differentiated technologies, stable order pipelines, and actual production capacity are gaining greater investor favor, while projects lacking implementation ability will gradually be phased out by the market. As production lines come online and costs continue to decline, the commercialization of sodium-ion batteries is accelerating rapidly.