“呼吸”之间 绿能转化探访全球在建规模最大液态空气储能项目

Core Viewpoint - The Qinghai Golmud 60MW/600MWh liquid air energy storage demonstration project is the largest of its kind globally, showcasing significant advancements in liquid air storage technology and contributing to China's clean energy transition [6][11]. Group 1: Project Overview - The project is a collaboration between China Green Development Investment Group and the Chinese Academy of Sciences, featuring 100% self-developed technology and filling a gap in China's liquid air storage technology [6][12]. - It is designed to store energy for 8 hours and release it for 5 to 10 hours, with a daily energy output capable of supplying approximately 30,000 households [11][15]. Group 2: Technology and Efficiency - Liquid air energy storage converts excess electrical energy into liquid air, which can be stored and later converted back to electricity, achieving over 95% cooling efficiency and more than 55% electrical-to-electrical conversion efficiency [10][11]. - The project utilizes a unique deep low-temperature cascade cooling technology, which significantly enhances energy density and operational efficiency [12][13]. Group 3: Advantages of Liquid Air Storage - Liquid air storage offers high energy density, low carbon emissions, long lifespan (approximately 30 years), high safety due to storage at normal pressure, and flexible deployment options [17][18][19]. - The project occupies a relatively small area of over 80,000 square meters, making it suitable for various geographical and climatic conditions [15]. Group 4: Future Applications - The liquid air energy storage system can address challenges in renewable energy integration, enhance the flexibility of thermal power plants, and optimize energy management in power grids [20]. - It is expected to play a crucial role in energy transition and achieving carbon neutrality goals, especially in remote and extreme environments where other storage technologies may not be effective [21].