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我国制冷技术新突破
中国能源报· 2026-01-22 05:38
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].