Group 1 - Tsinghua University team led by Professor Zhang Qiang has made significant progress in polymer electrolytes for lithium batteries, providing new ideas and technical support for the development of practical high-safety, high-energy-density solid-state lithium batteries [2][3] - The team proposed a "rich anion solvation structure" design strategy, successfully developing a new fluorinated polyether electrolyte that enhances solid-state interface physical contact and ionic conductivity, significantly improving lithium battery high-voltage performance and interface stability [3] - A polymer soft-pack full battery using this electrolyte achieved an energy density of 604Wh/kg under 1MPa external pressure, surpassing current commercial batteries, and demonstrated excellent safety performance in puncture and thermal tests [3] Group 2 - Tianjin University team introduced a "delocalization" design concept for high-energy lithium battery electrolytes, breaking the reliance on dominant solvation structures, leading to improvements in energy density and overall performance [4] - The team is actively promoting the technical transformation and application verification of their results, having established a pilot production line for high-energy lithium batteries, which have been successfully applied in three models of micro unmanned aerial vehicles, increasing endurance by 2.8 times compared to existing batteries [4] - Solid-state batteries are accelerating from laboratory research to industrialization, with significant policy support and market demand driving the global solid-state battery industry towards commercialization [4]

Core Insights - Chinese researchers have developed a new generation of lithium metal batteries with energy densities exceeding 600 Wh/kg for soft-pack cells and 480 Wh/kg for module batteries, achieving a 2 to 3 times improvement over existing mainstream lithium-ion batteries [1][3] - The breakthrough was made by a research team from Tianjin University, which introduced a novel "de-solvation" design concept for the electrolyte, enhancing both energy density and overall performance [1][3] - The demand for high-energy, long-lasting rechargeable batteries is increasing due to the rapid development of electric transportation, low-altitude economy, consumer electronics, and humanoid robots [1] Technology and Application - The high-energy lithium metal battery technology, referred to as "Battery600," has achieved significant performance targets and scalability for battery packs, laying a crucial foundation for future applications [3] - The technology boasts excellent cycle stability and safety features, making it suitable for various fields including electric transportation, low-altitude economy, aerospace equipment, and high-end energy storage [3] - The research team has established a pilot production line for high-energy lithium metal batteries and has successfully applied the technology in three models of micro all-electric unmanned aerial vehicles [3] Production and Innovation - The team has mastered the entire core technology chain of high-energy lithium metal batteries, including materials, electrolytes, electrodes, and batteries, with all raw materials and key technologies being independently controllable [3] - The team is expected to achieve full-scale production by the second half of this year, leveraging national-level platforms for technology transfer and application validation [3]