国家电投宣布:规模化长时储能领域取得重要技术突破

Core Viewpoint - The State Power Investment Corporation has achieved a significant technological breakthrough in long-duration energy storage with the development of the world's first ultra-high temperature heat pump energy storage technology, named "Shunuo" [1] Group 1: Technological Advancements - The "Shunuo" technology has met or exceeded design specifications in core parameters as tested by a third-party organization [1] - The technology addresses key system challenges including system configuration, core equipment, and system control, establishing a fully independent intellectual property system for heat pump energy storage [1] - The construction of the world's first pilot system for ultra-high temperature heat pump energy storage has been completed [1] Group 2: Advantages Over Traditional Technologies - The "Shunuo" technology offers significant advantages over traditional energy storage methods, including high flexibility in deployment without reliance on specific geographical conditions, allowing for rapid installation in various settings [1] - The technology maintains a stable cycle efficiency of over 65% for large-scale electricity conversion, with no degradation in efficiency under different loads [1] - The energy storage parameters are notably superior, with heat storage temperatures exceeding 560°C and low temperatures reaching -60°C, achieving a storage density of 80-120 kWh/m³, which is over ten times the capacity of conventional compressed air storage in the same space [1] Group 3: Application Scenarios - The technology supports a wide range of applications, enabling high-quality combined heat, electricity, and cold supply, and can be integrated with large renewable energy bases, coal, nuclear power, and high-energy-consuming industries [1] - It enhances the proportion of green electricity consumption and meets the demands for operational flexibility and energy conservation [1]