国家电投集团发布全球首套超高温热泵储能技术

Core Viewpoint - The article highlights the launch of the world's first ultra-high temperature heat pump energy storage technology, "Shu Nuo," by the State Power Investment Corporation, emphasizing its significance in the context of China's dual carbon goals and the urgent need for long-duration energy storage solutions [2][3]. Group 1: Technology Overview - The "Shu Nuo" technology represents a breakthrough in long-duration energy storage, transitioning from an optional to a necessary component in energy transformation [3]. - The technology has achieved a system configuration, core equipment, and control technology with complete independent intellectual property rights, establishing a heat pump energy storage technology system [3][7]. - The pilot system has a capacity of 1 MW and can store 4 MWh of energy, with performance tests confirming that all core parameters meet or exceed design specifications [4][7]. Group 2: Advantages of "Shu Nuo" - Compared to traditional energy storage technologies, "Shu Nuo" offers significant advantages, including high flexibility in deployment, with no reliance on specific geographical conditions [5]. - The system maintains a cycle efficiency of over 65%, with stable efficiency across different loads, and can store heat at temperatures above 560°C and as low as -60°C [5]. - The energy density of the system can reach 80-120 kWh/m³, significantly surpassing conventional compressed air energy storage, allowing for over ten times the energy capacity in the same space [5]. Group 3: Application Scenarios - The technology is applicable in various scenarios, including high-quality combined heat and power generation, coupling with large-scale renewable energy bases, coal, nuclear power, and high-energy-consuming industries [5][11]. - It addresses issues related to the consumption of large-capacity renewable energy, reduces curtailment of wind and solar power, and enhances the flexibility of traditional power sources [11]. - The heat pump energy storage technology aligns with China's current energy development trends and is expected to play a crucial role in the construction of a new power system and ensuring stable power system operations [11]. Group 4: Future Development - The State Power Investment Corporation plans to continue investing in research and development in the heat pump energy storage field, promoting the integration of source, grid, load, and storage [11]. - The successful pilot project marks a significant step towards the industrialization of long-duration heat pump energy storage technology [7].