Shanghai Le Si Ji Material Technology Co., Ltd. has the preparation technology of high specific energy silicon based flexible thin film electrodes, the production technology of atomic level composite silicon carbon negative electrode materials, and the design technology of high load silicon based integrated electrode structures. The company has a doctoral and master's team dedicated to the research and development of silicon based negative electrode materials for lithium-ion batteries. They are committed to the research and design of high specific energy, high load capacity, and low-cost lithium-ion battery electrode materials - battery structures, and have established close cooperative relationships with top universities and research institutes in China.