Core Insights - A research team led by Professor Zhang Qiang from Tsinghua University has made significant advancements in the field of lithium battery polymer electrolytes, publishing their findings in Nature [1] - The team introduced a new strategy called "rich anion solvation structure," successfully developing a novel fluorinated polyether electrolyte [1] - The energy density of lithium-rich manganese-based polymer batteries assembled with this electrolyte has achieved a remarkable increase, reaching 604 Wh/kg, which far exceeds current commercial batteries [1] Company Insights - The company currently focuses on key products such as electrolytic manganese dioxide, lithium manganese oxide, and manganese trioxide [1] - The company is closely monitoring the technological developments related to lithium-rich manganese-based battery materials and is engaged in relevant research and development [1]

Group 1 - The CINE2025 Solid-State Battery Exhibition and Industry Annual Conference will be held from November 6-8, 2025, at the Guangzhou Nansha International Convention Center, featuring over 200 exhibitors and 20,000 professional attendees [2][9] - The event will include the 2025 Qidian Solid-State Battery Golden Ding Award Ceremony and the SSBA Solid-State Battery Industry Alliance Council [2] - The first batch of exhibitors and sponsors includes companies such as Jin Na Technology, Ru Tian Technology, and Rongjie Energy, among others [2] Group 2 - A research team from Tsinghua University has developed a new fluorinated polyether electrolyte that achieves an energy density of 604 Wh kg-1 for high-safety polymer batteries, addressing the challenge of balancing battery range and safety [3][4] - Solid-state batteries are seen as a significant development direction for lithium batteries, particularly those using lithium-rich manganese-based layered oxides, which show potential for energy density breakthroughs [3][4] - The research team proposed a new design strategy called "rich anion solvation structure," which enhances the physical contact and ionic conductivity at the solid-solid interface, significantly improving interface stability [4] Group 3 - The polymer battery constructed with the new electrolyte demonstrated excellent electrochemical performance, achieving an energy density of 604 Wh kg-1 under 1 MPa external pressure, surpassing current commercial lithium iron phosphate and nickel-cobalt-manganese batteries [4] - The battery passed safety tests, including puncture and thermal stability tests at 120°C, without any combustion or explosion, showcasing its superior safety performance [5]

Core Insights - A research team led by Professor Zhang Qiang from Tsinghua University has made significant advancements in polymer electrolytes for lithium batteries, providing new strategies and technical support for the development of practical high-safety, high-energy-density solid-state lithium batteries [1][2] Group 1: Research Findings - The current challenges in solid-state batteries include poor interface contact due to rigid solid-solid materials and the difficulty of electrolytes to withstand extreme chemical environments with high voltage cathodes and strong reducing anodes [1] - The team proposed a new strategy called "anion-rich solvent structure design," successfully developing a novel fluorinated polyether electrolyte that enhances physical contact and ionic conductivity at solid-state interfaces [1] - The polymer battery assembled with this electrolyte demonstrated excellent electrochemical performance, achieving an energy density of 604Wh/kg under 1MPa external pressure, significantly surpassing current commercial batteries [1] Group 2: Safety and Future Implications - The battery successfully passed safety tests, including puncture and exposure to a 120°C heat chamber for 6 hours without combustion or explosion, showcasing its superior safety performance [2] - The research outcomes are expected to provide important technical references for the development of mature solid-state battery products in the future [2]

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]

Group 1 - Tsinghua University’s research team led by Professor Zhang Qiang has made significant advancements 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 [1] - 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 [1] - A polymer soft-pack battery constructed with this electrolyte achieved an energy density of 604Wh/kg under 1MPa external pressure, surpassing current commercial batteries, and demonstrated excellent safety performance during puncture and thermal tests [1] Group 2 - The research team at Wuhan University, led by Yang Peihua, has made progress in polymer solid-state batteries by developing a new cation-anionic polymer electrolyte, providing new pathways for safe, high-energy-density solid-state battery development [2] - The innovative electrolyte enhances lithium ion migration and conductivity, showcasing excellent electrochemical stability and successfully powering drones [2] - The Ministry of Industry and Information Technology and other departments have emphasized support for solid-state battery technology in their recent action plans, aiming to foster the development of leading global enterprises in this field by 2027 [2]

Core Viewpoint - Chinese scientists have made significant progress in the field of lithium battery polymer electrolytes, providing new ideas and technical support for the development of practical high-safety, high-energy-density solid-state lithium batteries [1][3] Group 1: Research Breakthrough - A team led by Professor Zhang Qiang from Tsinghua University has developed a novel fluorinated polyether electrolyte using a "rich anion solvation structure" design strategy [3] - The new electrolyte enhances physical contact and ionic conductivity at the solid-solid interface, significantly improving the high-voltage performance and interface stability of lithium batteries [3] Group 2: Performance Metrics - A polymer soft-pack full battery constructed with the new electrolyte achieved an energy density of 604 Wh/kg under 1 MPa external pressure, surpassing current commercial batteries [3] - The battery successfully passed safety tests, including puncture and exposure to a 120°C heat chamber for 6 hours, without any incidents of combustion or explosion [3] Group 3: Future Implications - The research findings are expected to provide important technical references for the development of mature solid-state battery products in the future [3]

Core Viewpoint - Chinese scientists have made significant progress in the field of lithium battery polymer electrolytes, providing new ideas and technical support for the development of practical high-safety, high-energy-density solid-state lithium batteries [1][4]. Group 1: Challenges in Solid-State Batteries - Solid-state batteries currently face two main challenges: poor interface contact due to rigid contact between solid-solid materials, and the difficulty of the electrolyte to simultaneously accommodate high-voltage cathodes and highly reducing anodes in extreme chemical environments [2]. Group 2: Research Breakthroughs - The research team proposed a new strategy called "anionic solvent structure design," successfully developing a novel fluorinated polyether electrolyte. This electrolyte enhances the physical contact and ionic conductivity at the solid-state interface, significantly improving the high-voltage performance and interface stability of lithium batteries [4]. - The polymer battery assembled with this electrolyte demonstrated excellent electrochemical performance, achieving an energy density of 604Wh/kg under 1MPa external pressure, which far exceeds current commercial batteries [4]. - The battery also passed safety tests, including puncture and exposure to a 120°C heat chamber for 6 hours without combustion or explosion, showcasing outstanding safety performance [4]. Group 3: Future Implications - The research findings are expected to provide important technical references for the development of mature solid-state battery products in the future [4].

Core Viewpoint - A research team led by Professor Zhang Qiang from Tsinghua University has made significant advancements in solid-state battery polymer electrolyte research, developing a novel fluorinated polyether electrolyte that enhances physical contact and ionic conductivity at solid-solid interfaces, providing new insights and technical support for high safety and high energy density solid-state lithium batteries [1][2]. Group 1 - The new fluorinated polyether electrolyte was developed using a thermal initiation in-situ polymerization technique, which effectively improves the physical contact and ionic conductivity at the solid-state interface [1]. - The research addresses two major challenges in solid-state batteries: poor interface contact due to rigid solid-solid materials and the electrolyte's compatibility with high voltage cathodes and highly reducing anodes in extreme chemical environments [1]. - The research findings were published in the journal Nature under the title "Tailoring polymer electrolyte solvation for 600 Wh kg1 lithium batteries" on September 24 [1]. Group 2 - The polymer battery assembled with the new electrolyte demonstrated excellent electrochemical performance, achieving an energy density of 604 Wh/kg under 1 MPa external pressure, significantly surpassing current commercial batteries [2]. - The battery successfully passed safety tests, including puncture and exposure to a 120°C heat chamber for six hours without any incidents of combustion or explosion, showcasing its superior safety performance [2]. - The research outcomes are expected to provide important technical references for the development of mature solid-state battery products in the future [2].

Core Viewpoint - Chinese scientists have made significant progress in the field of solid-state battery polymer electrolytes, providing new ideas and technical support for the development of practical high-safety, high-energy-density solid-state lithium batteries [1][2]. Group 1: Research Progress - A team led by Professor Zhang Qiang from Tsinghua University has developed a new strategy called "rich anion solvation structure" to address two major challenges in solid-state batteries: poor interfacial contact due to rigid solid-solid materials and the difficulty of electrolytes to coexist in extreme chemical environments under wide voltage windows [2]. - The team successfully created a new type of fluorinated polyether electrolyte using thermally initiated in-situ polymerization technology, which significantly enhances the physical contact and ionic conductivity at the solid-state interface, improving the high-voltage performance and interfacial stability of lithium batteries [2]. Group 2: Performance and Safety - The polymer battery assembled with this electrolyte demonstrated a series of excellent electrochemical properties, achieving an energy density of 604 Wh/kg under 1 MPa external pressure, which far exceeds current commercial batteries [2]. - The battery successfully passed safety tests, including needle penetration and exposure to a 120°C heat box for 6 hours without any combustion or explosion, showcasing its superior safety performance [2].

Core Insights - The rapid development of electric vehicles, electric aircraft, and humanoid robots has created a pressing demand for battery devices that combine high energy density and excellent safety performance [1][2] - A research team led by Professor Zhang Qiang from Tsinghua University has made significant progress in the field of lithium battery polymer electrolytes, providing new ideas and technical support for the development of practical high-safety, high-energy-density solid-state lithium batteries [1][2] Group 1: Solid-State Battery Development - Solid-state batteries are widely regarded as an important development direction for the next generation of secondary lithium batteries, particularly those using lithium-rich manganese-based layered oxides as cathode materials, which show the potential to exceed an energy density of 600Wh/kg [2] - Current challenges in solid-state battery applications include poor interface contact due to rigid solid-solid material interactions and the difficulty of electrolytes to coexist with high-voltage cathodes and highly reducing anodes in extreme chemical environments [2][3] Group 2: New Electrolyte Strategy - The research team proposed a new strategy called "rich anion solvation structure" and successfully developed a novel fluorinated polyether electrolyte, which enhances the physical contact and ionic conductivity of the solid-state interface, significantly improving the high-voltage performance and interface stability of lithium batteries [2][3] Group 3: Performance and Safety Testing - The polymer battery assembled with the new electrolyte demonstrated a series of excellent electrochemical properties, achieving an energy density of 604Wh/kg under 1MPa external pressure, surpassing current commercial batteries [3] - The battery successfully passed safety tests, including puncture and thermal stability tests at 120 degrees Celsius for 6 hours, without any incidents of combustion or explosion, showcasing outstanding safety performance [3]