◐ 我国锂电池核心技术获首创突破。 据科技日报3月2 0日报道，从中国航天科技集团八院获悉，由八院811所和南开大学科研人 员组成的联合团队，近日成功研制出用于高能量密度与低温电池的氢氟烃电解液，标志着我国锂电池核心技术取得新突破，有望 使现有锂电池续航能力实现成倍提升，耐低温性能显著增强。 ◐ 华东华中电力灵活互济工程开工。 3月2 0日，从国家电网获悉，皖鄂背靠背联网工程在安徽安庆宿松县开工。这一横跨安徽 与湖北的电力灵活互济工程是纳入国家"十五五"规划纲要的重点项目，也是安徽省首个采用最新柔性直流技术的电网项目，将打 造为联通华东与华中的电力灵活互济枢纽。 新闻聚焦 ◐ 四部门联合发布重要实施方案。 3月20日，工信部、国家发改委、国务院国资委、国家能源局等四部门联合印发的《节能装 备高质量发展实施方案（20 26—2028年）》提出，到202 8年，节能装备关键材料、零部件取得突破，重点行业领域用能系统匹 配性、实际运行效率持续提升，电机、变压器等节能装备能效水平达到国际领先，节能装备市场占有率进一步提高。 【更多详 情】 ◐ 七部门发布重要指导意见。 水利部、国家发改委、自然资源部、生态环境部、农业 ...

Core Viewpoint - The commissioning of China's first 550 MW F-class gas turbine unit at the Huadian Chongqing Tongnan project marks a significant breakthrough in the application of large-capacity, high-efficiency clean energy equipment in the country [2] Group 1: Project Overview - The project is located in Tongnan District, Chongqing, with a total installed capacity of 1,100,240 kW and a combined cycle efficiency of 61.66%, making it the largest and most efficient F-class heavy-duty gas turbine unit in China [2] - The project is expected to generate approximately 2.1 billion kWh of electricity annually, which can meet the annual electricity needs of 1.75 million households, while saving 200,000 tons of standard coal and reducing carbon dioxide emissions by about 860,000 tons each year [4] Group 2: Technological Advancements - The gas turbine plant operates with high efficiency, utilizing a single fuel input for two rounds of power generation, achieving an efficiency that exceeds traditional coal-fired units by over 15 percentage points [5] - The core rotor of the unit weighs 132 tons and operates at a speed of 3,000 RPM, demonstrating advanced engineering capabilities [7] Group 3: Environmental Impact - The plant's emissions are significantly lower, with no visible smoke from the chimney, indicating compliance with environmental standards. Real-time data on emissions is collected and transmitted to environmental authorities for monitoring [9] - The gas turbine unit is designed to support the integration of renewable energy sources, providing a reliable backup during fluctuations in wind and solar power generation [12] Group 4: Strategic Importance - The commissioning of this gas turbine unit is seen as a key component in China's new energy system, complementing renewable energy sources and enhancing energy security and stability [10][12] - The project aligns with China's goals for carbon peak and neutrality, contributing to the optimization of the energy structure and promoting a green and low-carbon transition [12]