Core Insights - Solid-state lithium batteries are considered the "holy grail" of next-generation energy storage technology, with recent advancements in electrolyte materials significantly improving energy density [2][4] - The Chinese government has identified solid-state batteries as a key direction for lithium battery development, emphasizing the need for standardization in new energy storage technologies [2] Technological Routes - Three main technological routes for solid-state batteries are competing: sulfide, oxide, and polymer routes, each with distinct advantages and challenges [3] - The sulfide route is recognized for its high ionic conductivity, making it ideal for fast charging and high performance, with major companies like Toyota and CATL focusing on this technology [3] - The oxide route is being advanced by companies like Guoxuan High-Tech, which aims to develop composite electrolyte systems compatible with existing liquid battery production lines [3] - The polymer route, highlighted by recent breakthroughs in fluorinated polyether electrolytes, shows promise for high energy density and safety, with potential for large-scale industrialization [4] Challenges in Commercialization - Transitioning from laboratory breakthroughs to commercial products faces significant challenges, particularly the "solid-solid interface" issue, which is a critical technical bottleneck [5][6] - Current solid-state battery production yields are much lower than those of mature liquid batteries, with performance degradation observed when scaling up from small to large battery formats [6] - The cost of solid-state batteries remains high, estimated at $400 to $800 per kilowatt-hour, which is 3 to 5 times that of liquid batteries, posing a barrier to widespread adoption [6] Industry Developments - Companies like Beijing Pure Lithium New Energy and Guangzhou Penghui Energy are exploring diverse applications for solid-state batteries, focusing on safety and commercial viability in markets such as two-wheeled vehicles and high-end mobile power sources [7] - The establishment of collaborative innovation platforms and funding initiatives aims to address common challenges in solid-state battery technology, facilitating the transition from research to production [8] Future Outlook - The commercialization of solid-state batteries is expected to be a gradual process, with significant advancements anticipated by 2027, but not yet reaching mass production levels [6][8] - The industry is likely to see a coexistence of high-end solid-state and mainstream semi-solid batteries during the transition period, which could last from 2 to 10 years [6][8]

Core Insights - The research team led by researcher You Jingbi from the Chinese Academy of Sciences has made significant advancements in perovskite solar cells, achieving a power conversion efficiency of 27.2% for prototype devices, which enhances the stability of these cells and lays a crucial foundation for their industrial development [1] Group 1: Technological Advancements - Perovskite solar cells have rapidly improved in power conversion efficiency from an initial 3.8% to over 26% in the past decade, although they still have a gap to their theoretical limits [1] - The key to achieving high efficiency lies in the preparation of high-quality perovskite films, which have seen significant improvements in this research [1] Group 2: Performance Metrics - The quality of the perovskite films was notably enhanced, with carrier lifetimes extended to 20 microseconds and a substantial reduction in interface defect density [1] - The solar cells developed based on these films have been certified by multiple authoritative institutions, achieving a power conversion efficiency of 27.2% [1] Group 3: Stability and Longevity - In terms of stability, the solar cells maintained 86.3% of their initial efficiency after continuous operation for 1529 hours [1] - Under accelerated aging conditions at 85°C with light-thermal coupling, the cells retained 82.8% of their initial efficiency after 1000 hours of operation [1]

记者了解到，经过十余年的持续攻关，核动力院构建了超临界二氧化碳发电技术的产学研体系，形成了 一条完整的全国产化产业链。2019年10月，核动力院实现了全球首次实验室超临界二氧化碳满功率稳定 发电。2023年10月，贵州六盘水超临界二氧化碳发电示范工程建设启动，推动了烧结余热利用领域技术 革新。 （文章来源：科技日报） 记者从中核集团中国核动力研究设计院（以下简称"核动力院"）获悉，近日，全球首台商用超临界二氧 化碳发电机组在贵州六盘水首钢水城钢铁顺利完成并网调试，为后续机组的满功率运行奠定基础。 据悉，该项目是核动力院与济钢集团国际工程技术有限公司共同推进的全球首套2×15兆瓦超临界二氧 化碳烧结余热发电示范工程。项目成功发电后，将比现役烧结余热蒸汽发电技术在余热利用率上提升 50%以上。 超临界二氧化碳发电技术是一种革新型热电转换技术，该技术以超临界二氧化碳作为循环工质实现高效 稳定做功。得益于超临界二氧化碳的物质属性，该技术具有高效率、超紧凑、快响应的核心优势，填补 了世界范围内长期以来中小功率规模、高温热源场景的能源动力技术空白，且未来有望向更大功率、更 高温应用场景拓展。 ...

发挥龙头企业带动作用，加速推进海洋装备 产业提质升级。图为工作人员在海油工程天津智能制造基地制管作业车间内操控设备。 发挥龙头企业带动作用，加速推进海洋装备产业提质升级，图为工作人员在海油工程天津智 能制造基地制管作业车间内操控设备，习近平总书记强调，科技创新与产业创新深度融合是 发展新质生产力的基本路径。 习近平总书记强调，科技创新与产业创新深度融合是发展新质生产力的基本路径。当前，随着互联网、 物联网和人工智能等技术的成熟与扩散，出现了一种以高科技企业为核心、众多互补性企业持续融入的 技术生态，通过打破传统边界、促进知识共享，为科技创新与产业创新融合提供了现实载体。而驱动这 一生态持续运行并创造超额价值的内在引擎，是一种被称为"新型生态经济租"的新型收益机制。 新型生态经济租有别于传统经济租 经济学上的租，是经济学用来表示社会财富增长的一个主要标志，是确保企业获取充足利润的前提。目 前传统产业形态中最常见的经济租有三种：其一为李嘉图租，强调企业主要是依靠所掌握的稀缺性和差 异性资源来获取高于竞争对手的产业利润，突出获取独特生产要素的重要性；其二为垄断租，强调企业 主要依靠直接对市场干预，通过垄断获取产业利 ...

Group 1 - The article highlights the U.S. government's criticism of China regarding climate change while ignoring its own environmental policies that undermine global efforts [1][2] - China is portrayed as a proactive player in combating climate change, with a large population and a relatively low per capita carbon emission compared to the U.S., which has the highest per capita emissions [1][4] - The U.S. has implemented policies that weaken environmental regulations and promote fossil fuel development, which have drawn widespread criticism and are seen as detrimental to global climate efforts [2][3] Group 2 - The Trump administration's energy policies have included declaring a national "energy emergency," accelerating fossil fuel infrastructure approvals, and rolling back regulations on coal-fired power plants [3][5] - The U.S. has withdrawn from the Paris Agreement, which the Trump administration claims imposes unfair burdens on the economy, further isolating itself from international climate commitments [3][5] - Recent legislation has removed incentives for renewable energy, such as the elimination of tax credits for electric vehicles and the freezing of funds for clean energy projects, which could hinder the growth of the renewable energy sector [5][6] Group 3 - The U.S. has pressured international organizations like the International Energy Agency (IEA) to shift focus away from climate goals, raising concerns about its role in global energy transitions [7][8] - Environmental organizations have criticized the U.S. for neglecting scientific consensus on climate change, warning that this could exacerbate the impacts of climate change on humanity and the economy [8]

Core Insights - The launch of the "Dongping" single-shield TBM marks a significant technological breakthrough in coal mining, specifically designed for complex working conditions in China's coal mines [1][2] - The "Dongping" TBM is tailored for the Dongping coal mine project, featuring advanced capabilities that address critical technical challenges in steep gradient and small radius mining [1][2] Group 1 - The "Dongping" TBM has a maximum excavation diameter of 7.64 meters and a total length of 127 meters, successfully overcoming six key technical bottlenecks in mining operations [1] - The equipment is equipped with an efficient multi-stage drainage system and a dual-hinge system that allows for flexible steering in steep gradients and small radius turns [2] - The project aims to significantly shorten construction cycles compared to traditional mining methods, with an expected annual production capacity of 4 million tons upon full completion [2] Group 2 - The "Dongping" TBM includes advanced safety features such as a professional explosion-proof system and harmful gas detection devices, ensuring comprehensive safety measures [2] - The unique dual-direction bucket design effectively addresses the "paste knife" issue in mudstone coal layers, enhancing operational efficiency [2] - The project is expected to have a service life of 58.2 years, contributing to the efficient development of coal resources in the Inner Mongolia region [2]

Core Viewpoint - High-end scientific instruments are crucial for research and technological innovation, but domestic instruments in China are still in the early stages of development and face significant challenges in replacing imported counterparts [1] Group 1: Current State of Domestic Instruments - Domestic scientific instruments, particularly in the high-end market, are largely dominated by foreign companies, with many universities relying on imported equipment due to the current limitations of domestic products [2] - The Shanghai Jiao Tong University (SJTU) analysis testing center has installed a 400 MHz domestic liquid nuclear magnetic resonance (NMR) spectrometer, which performs comparably to imported models in terms of sensitivity and resolution, with an annual usage exceeding 1800 hours [2][3] Group 2: Advantages of University Testing - SJTU provides a unique testing environment for domestic instruments, allowing for real-time feedback on performance issues, which aids in the iterative improvement of these products [3] - The high frequency of use and diverse sample types at SJTU accelerate the development and upgrade of domestic instruments [3] Group 3: Challenges in Adoption - There are significant gaps in stability and precision between domestic and advanced imported instruments, leading to hesitance in procurement by universities [4] - The process of trialing domestic instruments often requires substantial human and time resources, which can be a barrier for startups lacking the financial capacity to engage in extensive testing [4] Group 4: Proposed Solutions - SJTU plans to establish an instrument validation demonstration center and a waste instrument dismantling workshop to support the development of domestic instruments [5] - The validation center will serve as a practical testing ground for domestic instruments, facilitating continuous improvement based on real experimental conditions [5][6] - The dismantling workshop aims to repurpose high-precision instruments that are no longer in use, promoting resource efficiency and fostering interdisciplinary collaboration for talent development [6]

Core Viewpoint - The "Ultra-High-Speed Low-Vacuum Tube Beam Steel Structure Construction Method" developed by China Railway Sixth Group Fengqiao Company has been recognized as a provincial-level construction method for 2025 in Shanxi Province, providing key technical support for future ultra-high-speed transportation construction in China [1][2]. Group 1: Innovation and Technology - The innovative construction method addresses critical manufacturing challenges in the core bearing and sealing structure of ultra-high-speed low-vacuum tube magnetic levitation transportation systems, which require high precision and airtightness [1]. - Traditional construction methods face issues such as low efficiency and unstable welding quality, which this new method overcomes by optimizing the design and employing automated submerged arc welding for high-quality, efficient seam welding [1]. Group 2: Efficiency and Cost Reduction - The comprehensive benefits of the new method include saving approximately 1,000 square meters of construction site area, reducing labor input by over 50%, and improving construction efficiency by about 30% [1]. - The method transforms complex curved steel structure manufacturing into a controllable and replicable industrial production process, ensuring reliable engineering quality while adhering to green and environmentally friendly principles [1]. Group 3: Project Implementation and Impact - The first phase of the Dazhong low-vacuum tube magnetic levitation high-speed train project has been successfully completed, validating the provincial-level construction method through significant engineering practice [2]. - This innovation not only provides solid technical support for project advancement but also highlights the company's innovative strength in high-end transportation equipment manufacturing, contributing to the accumulation of valuable technical parameters and management experience for large-scale standardized construction of ultra-high-speed transportation lines in China [2].

从浩瀚深海到岭南大地，全运圣火以一种磅礴而温暖的力量，为十五运会彰显科技创新与绿色低碳的理 念。那源自可燃冰的深海之火与天上之光在岭南交汇相融时，也共同成就了十五运会开幕时刻的精彩绝 伦。 圣火的光芒与千里之外的清洁能源在此刻交汇。十五运会场馆内的每一度电，每一块屏幕的电能，都承 载着"来自天上"的绿色能量。 据了解，为实现赛事场馆"全绿电"运行的更高目标，广州供电局系统整合了建筑光伏、绿电绿证交易等 多种路径，将源自云南、广西壮丽山水间以及广州从化、南沙的清洁电力汇聚融合，共同为湾区注入稳 定可靠的"绿色动能"。一条串联起青海、云南、广东等多地的光能绿色电力通道就此构筑，以绿电绿证 为桥梁，实现了跨区域的协同保障。 据初步测算，整个十五运会期间，仅广州赛区场馆将消纳绿电约8565万度，相当于减少碳排放约7.7万 吨。"'风光'赴约，一度一证"，根据十五运会赛事各场馆总用电量，广东电网能源投资公司一次性采购 18.8万张绿证，每张绿证均具备唯一溯源编码，确保绿电从生产到消费的全链条透明可查。（记者何亮 龙跃梅 叶青） 11月9日21时15分，在第十五届全国运动会（以下简称"十五运会"）开幕式现场，一场科技与绿 ...

值得一提的是，初步成果显示PHAS完全具备复现已知科学知识的能力，能揭示此前从未被描述过的额 外作用路径，还可识别更长链条、更复杂的"双向异性"关联路径。传统工具仅能支持关于"哪个更重 要"的判断，PHAS可以同时给出治理时的资源配置指引。比如，PHAS分析发现，若减少20%的化石燃 料使用，可延缓当前全球星球健康水平下滑趋势，但无法阻止这一趋势；若将全球创新投入增加20%以 上，则可扭转全球星球健康水平下滑趋势，使其恢复到2000年之前的状态。 中国工程院院士、北京大学全球健康发展研究院理事会主席詹启敏指出，在当今时代，健康问题不再是 单一的医学议题，这要求我们以更综合、更系统的思维，重新定义健康的边界。PHAS不仅仅是一个技 术平台，它还是一次关于人类健康认知方式的深刻革新。其以人工智能和大数据为支撑，为我们提供了 观测人类活动与地球健康关系的数字罗盘。"这一系统让我们看到以人为本的新维度，只有当人类学会 以地球为尺度去思考自身的健康，我们的医学和科技发展才会有更长远、更稳固的基础。"詹启敏认 为，PHAS的建设与发布，不仅是中国学者在星球健康领域的重要贡献，也展示了中国科学界面向人类 命运共同体的责任与 ...