记者23日从天津大学获悉，该校许运华教授团队联合华南理工大学黄飞教授团队等，成功研制出一种更 加安全、抗冻、耐热的新型有机正极材料，解决了传统有机锂电池"电量低""难以实用化"等关键瓶颈。 相关成果近日发表于国际学术期刊《自然》。 目前，主流锂电池正极材料大多使用钴、镍等无机矿物，这类材料面临资源、成本、安全及柔性不足等 挑战。相比之下，有机电极材料取材广泛，其分子可灵活设计且自身柔韧，具有广泛应用潜力。然而， 这类材料难以兼顾高容量与大负载，导致制成的电池往往"电量"不足或充电缓慢，影响了实用化进程。 对此，研究团队在新型n型导电聚合物材料基础上，系统调控了材料中电子与锂离子的"协同传输"效 率，成功研制出一种兼具优异电子导电性、锂离子快速传输能力和高储能容量的有机正极材料。基于此 材料，团队制备出一款能量密度超过250瓦时/公斤的有机软包电池。这一数值已超越目前广泛使用的磷 酸铁锂电池，且该电池展现出卓越的温度适应能力，不仅能在-70℃到80℃的极端温度下正常工作，还 兼具良好的柔韧性与安全性。此外，团队研制的安时级别软包电池成功通过了严格的针刺安全测试，在 充放电过程中不变形，安全性得到验证，标志着有机 ...

许运华表示，相关成果为未来开发"绿色电池"奠定了关键材料基础，其柔性特质也为未来柔性电子、可穿戴设备等领域提供了全新的储能解决方 案。 近日，天津大学许运华教授团队联合华南理工大学黄飞教授团队等，研制出一种新型有机正极材料，解决了传统有机锂电池"电量低""难以实用 化"等关键瓶颈，相关研究成果已发表于国际顶级学术期刊《自然》。 ...

Group 1 - The State Council's Safety Committee and the Ministry of Emergency Management held an emergency video meeting to enhance safety control over the entire chain of fireworks and firecrackers, emphasizing strict implementation of safety measures to prevent accidents [1] - The total box office for the 2026 Spring Festival film season, including pre-sales, has surpassed 2.8 billion yuan, with "Flying Life 3," "Silent Awakening," and "Boon Year" ranking as the top three films [1] - The Ministry of Transport reported that on February 18, the total cross-regional passenger flow reached 32.2988 million, a 9.7% increase compared to the same period in 2025, marking the first time daily traffic exceeded 300 million during the Spring Festival [1] Group 2 - The U.S. Department of Commerce reported that the merchandise trade deficit for 2025 reached a record $1.2409 trillion, an increase of $25.5 billion or 2.1% from the previous year, indicating that tariffs have had little effect on the overall deficit level [1] - The Indonesian central bank announced that it would maintain the benchmark 7-day reverse repurchase rate at 4.75%, aligning with market expectations [2] - Argentina's regulatory agency reported a decrease of nearly 22,000 companies over the past two years, with registered companies dropping from over 510,000 in November 2023 to over 490,000 in November 2025, resulting in a loss of nearly 300,000 jobs [2]

【重点关注】 ·记者19日从交通运输部获悉，2月18日（春运第17天，农历正月初二）全社会跨区域人员流动量为 32298.8万人次，比2025年同期增长9.7%，2026年春运单日交通出行人数首次超3亿人次。 ·今天（2月19日）全国高速公路车流量预计超6000万辆次。随着新能源车辆的增多，每天从十时开始， 高速充电场站车辆增多。许广高速湖南段、京沪高速江苏段、成巴高速四川段车流量较多。 ·据灯塔专业版，截至2月19日11时12分，2026年春节档（2月15日—2月23日）档期总票房（含预售）突 破50亿元。 ·天津大学许运华教授团队联合华南理工大学黄飞教授团队等单位，成功研制出一种新型有机正极材 料，突破了传统有机锂电池"电量低""难以实用化"等瓶颈。相关研究成果于北京时间2月19日在线发表 于国际学术期刊《自然》。 ·我国科学家近日在光通信和6G领域取得突破性进展，在国际上率先实现光纤通信和无线通信系统间的 跨网络融合，自主研发的"光纤—无线一体化融合通信系统"的数据传输速率刷新纪录。该成果19日凌晨 在线发表于《自然》。 ·两部门：加强烟花爆竹"产储运销"和燃放全链条安全管控 ·2026年春运单日交通出 ...

Core Viewpoint - A new type of organic cathode material has been successfully developed by a research team from Tianjin University and South China University of Technology, overcoming the limitations of traditional organic lithium batteries, such as low energy capacity and practical application challenges [1][4]. Group 1: Research and Development - The research results were published in the international academic journal "Nature" on February 19 [1]. - The new organic cathode material is based on a novel conductive polymer, which enhances the efficiency of electron and lithium ion transport [4]. - The developed organic soft-pack battery has an energy density exceeding 250 watt-hours per kilogram, surpassing the widely used lithium iron phosphate batteries [4]. Group 2: Performance and Safety - The new battery exhibits excellent temperature adaptability, functioning normally between -70°C and 80°C, while also demonstrating good flexibility and safety [4]. - Experimental results show that the electrodes remain undamaged and maintain capacity under bending, stretching, and external pressure [5]. - The soft-pack battery has successfully passed rigorous puncture safety tests, confirming its safety [5]. Group 3: Future Applications and Commercialization - The research lays a crucial material foundation for the future development of "green batteries" and offers new energy storage solutions for flexible electronics and wearable devices [5]. - The team is accelerating the technology's transformation and industrialization process, aiming to establish a production line for organic soft-pack batteries and actively exploring commercial application prospects [5].