中科电气：公司锂离子电池负极材料仍以石墨类负极材料为主

Group 1 - The company primarily focuses on graphite-based anode materials for lithium-ion batteries, with ongoing development in silicon-carbon and lithium metal anodes [2] - The silicon-carbon anode material has completed the pilot production line construction, and products have passed evaluations from multiple clients, preparing for mass production [2]