Core Viewpoint - The research team led by researcher Li Bing from the Institute of Metal Research, Chinese Academy of Sciences, has discovered the "Dissolution Pressure Card Effect," which opens a new path for next-generation green refrigeration technology [1][2]. Group 1: Research Findings - The study reveals that solid-state phase change refrigeration materials, which avoid gas refrigerant emissions, have limitations such as slow thermal conductivity and high interfacial thermal resistance, hindering their application in high-power scenarios [1]. - The "Dissolution Pressure Card Effect" was observed in ammonium thiocyanate solution, which exhibits significant thermal effects under pressure changes: heating occurs during pressurization, and rapid cooling occurs upon depressurization, with temperature drops of nearly 30 degrees Celsius within 20 seconds at room temperature [1][2]. - This phenomenon surpasses the performance of known solid-state phase change refrigeration materials, demonstrating a new principle for refrigeration [2]. Group 2: Engineering Applications - The research team has designed an efficient four-step cycle system: pressurization and heating, heat dissipation to the environment, depressurization and cooling, and cold transport, achieving a heat absorption of 67 joules per gram of solution per cycle, with a theoretical efficiency of 77% [2]. - This innovative approach breaks the long-standing "low carbon - high cooling capacity - high heat transfer" triangle dilemma in the refrigeration materials field, with potential applications in industrial cooling systems, data center heat dissipation, and specialized refrigeration equipment [2].

Core Viewpoint - A new breakthrough in refrigeration technology, termed "dissolution pressure card effect," has been discovered by a research team at the Chinese Academy of Sciences, which is expected to provide low-carbon and efficient cooling solutions for high-energy-consuming data centers and computing infrastructure [1][6]. Group 1: Refrigeration Technology Breakthrough - The "dissolution pressure card effect" allows for significant temperature drops in solutions under pressure changes, with the ability to lower temperatures by nearly 30°C within 20 seconds at room temperature, outperforming known solid-state phase change materials [3][4]. - This effect combines the refrigerant and heat transfer medium, utilizing the flow of the solution for efficient heat transfer while providing substantial cooling through the dissolution and crystallization process, thus overcoming the long-standing "low-carbon, high cooling capacity, high heat transfer" dilemma in refrigeration [3][5]. Group 2: Engineering Application Potential - The research team has designed a four-step cycle system based on the "dissolution pressure card effect," which includes pressurization, heat dissipation, depressurization, and cooling delivery, achieving a theoretical efficiency of up to 77% with each gram of solution capable of absorbing 67 joules of heat [5]. - This innovative method presents a promising approach for the next generation of cooling technologies in data centers, potentially facilitating low-carbon operations for computing infrastructure [6].

Core Insights - Chinese scientists have discovered the "dissolution pressure card effect," breaking the long-standing "low carbon - high cooling capacity - high heat transfer" triangle in refrigeration materials, potentially leading to a green revolution in the refrigeration industry [1][2]. Group 1: Breakthrough in Refrigeration Technology - The research team from the Chinese Academy of Sciences has developed solid-state phase change refrigeration materials that avoid gas refrigerant emissions, addressing climate change and energy-saving needs [1]. - The "dissolution pressure card effect" was identified in ammonium thiocyanate solution, which exhibits significant thermal effects under pressure changes, allowing for rapid temperature drops of nearly 30°C within 20 seconds at room temperature [2]. Group 2: Innovative Cooling System Design - Based on the "dissolution pressure card effect," the team designed an efficient four-step cycle system that can absorb 67 joules of heat per gram of solution, with a theoretical efficiency of 77%, showcasing excellent engineering application potential [3]. - This research lays the foundation for developing efficient, environmentally friendly, and scalable next-generation refrigeration technologies, particularly in large data center thermal management [3].