国家电投集团发布全球首套超高温热泵储能技术

Core Insights - The State Power Investment Corporation has officially launched the world's first ultra-high temperature heat pump energy storage technology, named "Shunuo" [1] - Driven by the dual carbon goals, long-duration energy storage has transitioned from an optional choice to a necessity for energy transformation, necessitating innovation and application in long-duration energy storage technologies [1] Group 1 - The "Shunuo" ultra-high temperature heat pump energy storage technology has significant advantages over traditional storage technologies, including high deployment flexibility, not reliant on specific geographical conditions, allowing for rapid deployment in various settings [2] - The technology boasts a stable cycle efficiency of over 65% for large-scale electricity conversion, with no degradation in efficiency under different loads [2] - The energy storage parameters are superior, with heat storage temperatures exceeding 560°C and low temperatures reaching -60°C, achieving an energy density of 80-120 kWh/m³, which is more than ten times the capacity of conventional compressed air storage in the same space [2] Group 2 - The "Shunuo" system has been successfully tested through seven complete charge and discharge cycles, with all core parameters meeting or exceeding design values, demonstrating global leadership in technical indicators [1][2] - The technology is applicable in a wide range of scenarios, enabling high-quality combined heat, electricity, and cold supply, and can be integrated with large-scale renewable energy bases, coal, nuclear power, and high-energy-consuming industries, thereby enhancing the proportion of green electricity and meeting operational flexibility and energy-saving requirements [2]