在锂电池电解液体系中，LiFSI（双氟磺酰亚胺锂）长期被视作提升性能的 调味剂，但随着高镍 三元、快充电池与固态电池的产业化推进，头部电池厂的高端配方中添加比例已从5%升至 15%，部分半固态电池甚至以其为主盐，成为决定下一代电池性能的核心材料。 一、LiFSI 的优势与短板 ▶ 核心优势 效率与安全双高 25℃时离子电导率达 10.2 mS/cm，较传统 LiPF₆高出 15%，搭配高镍正极循环 1000 次后容量保持 率仍达 82.3%。分解温度超 200℃，是 LiPF₆的近 3 倍，85℃高温环境下铝集流体腐蚀风险降低 95%。 适配前沿电池技术 在 - 40℃低温下仍能稳定导电，完美解决北方新能源车续航衰减问题；与硅碳负极、4.4V 以上高 压正极兼容性优异，是 800V 高压平台车型的标配材料。 角色升级潜力大 作为主盐时可构建高浓度电解液，适配半固态电池界面调控需求，宁德时代麒麟电池已要求其添 加量不低于 20%。 ▶ 尚未突破的现实短板 成本居高不下 当前生产成本约 12-20 万元 / 吨，是 LiPF₆的 2-3 倍，虽较 2021 年的 80 万元 / 吨大幅下降，但仍 制约全面替代。 ...

Core Viewpoint - The article highlights the innovative operational improvements at Shandong Port Rizhao Port, specifically in the timber handling process, which have significantly enhanced efficiency and reduced costs. Group 1: Operational Innovations - The "half-open door" operation method has been implemented to optimize the entry and exit of wood handling machinery, reducing the time required for mechanical loading by over 50% [3][4]. - The new method allows for a more efficient workflow, addressing the pressure from increasing operational volumes and customer demands for higher efficiency [4][5]. - The innovation stems from careful observation and problem-solving, leading to the development of a ramp using raw wood that provides sufficient friction and allows for quick deployment [7]. Group 2: Efficiency Gains - The new operational techniques have resulted in a time savings of nearly 2 hours per hold, which is crucial for the overall efficiency of the port and reduces logistics costs for clients [4][7]. - Additional innovations, such as the "raw wood direct drop" method, have simplified the loading and unloading process into three steps, increasing efficiency by 30% [10]. - The implementation of a smart inventory system has improved the efficiency of inventory management by over 60%, allowing for more streamlined operations [10]. Group 3: Future Outlook - The company aims to continue its focus on cost reduction and efficiency improvements, emphasizing the importance of innovation and process optimization for sustainable growth [8][10]. - The commitment to enhancing operational capabilities is expected to contribute to the overall development of Shandong Port's timber business, with a focus on maintaining a competitive market position [10].

Core Viewpoint - The Chinese steel industry is experiencing stable production and operational performance in the first quarter of the year, with significant year-on-year growth in steel output, laying a solid foundation for positive development throughout the year [1]. Group 1: Production and Performance - In the first quarter, China's steel production exceeded 350 million tons, marking a year-on-year increase of 6.1% [1]. - The crude steel production reached 259 million tons, with a growth of 0.6%, while pig iron production was 216 million tons, up by 0.8% [1]. - The China Iron and Steel Association indicated that the industry's operational performance has improved compared to the previous year [1]. Group 2: Industry Transformation and Environmental Initiatives - The steel industry is currently in a critical period of transformation and upgrading, focusing on green and low-carbon development [1]. - As of April 20, 2025, 141 steel enterprises have completed ultra-low emission transformations, covering crude steel capacity of approximately 591 million tons [3]. - The industry is shifting from a linear "resource-product" model to a closed-loop model of "resource-product-recycled resource" [3]. Group 3: Future Goals and Achievements - By the end of this year, key regional steel enterprises are expected to complete their ultra-low emission transformations, establishing the world's largest clean steel production system [4]. - Over the past year, China has eliminated 300 million tons of outdated steel production capacity, with over 45% of crude steel capacity undergoing ultra-low emission transformations, significantly reducing major pollutants by over 75% [4]. - The goal is for over 80% of steel production capacity to complete the transformation by the end of 2025 [4].