全球首套超高温热泵储能技术在北京发布

Core Insights - The global first ultra-high temperature heat pump energy storage technology "Shu Nuo" was launched by China National Power Investment Corporation in Beijing [1] - Long-duration energy storage is deemed a "must-have" option for current energy transition [1] Technology Development - The Central Research Institute of China National Power Investment Corporation proposed the heat pump energy storage technology route, overcoming key technical challenges in system configuration, core equipment, and system control [1] - A pilot system for the ultra-high temperature heat pump energy storage technology has been established, achieving complete autonomy in intellectual property rights [1] Performance and Testing - The pilot system has undergone third-party performance testing by Xi'an Thermal Engineering Institute, completing seven full charge-discharge cycles with all core parameters meeting or exceeding design values [1] - The system is stable and has globally leading technical indicators [1] Advantages Over Traditional Technologies - The "Shu Nuo" technology offers significant advantages over traditional energy storage technologies, including high flexibility in deployment without reliance on specific geographical conditions [1] - The technology boasts a cycle efficiency of over 65% with no degradation, maintaining stable efficiency under varying loads [1] - It can store heat at temperatures above 560°C and as low as -60°C, with a storage density of 80-120 kWh/m³, significantly surpassing conventional compressed air energy storage [1] Application Scenarios - The technology has a wide range of applications, enabling high-quality combined heat, electricity, and cold supply [1] - It can couple with large-scale renewable energy bases, coal power, nuclear power, and high-energy-consuming industries, enhancing the proportion of green electricity and meeting flexibility and energy-saving requirements [1]