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Chinese scientists found a new cooling method using a salt solution that drops temperature by nearly 30°C in 20 seconds, offering efficient, low-emission cooling.
Chinese researchers have discovered a new cooling effect, the dissolution barocaloric effect, in an ammonium thiocyanate salt solution, enabling a nearly 30°C temperature drop in 20 seconds at room temperature.
When pressure is released, the salt rapidly dissolves, absorbing heat and cooling the environment.
This fluid-based system combines refrigerant and heat transfer in one medium, offering high efficiency, strong cooling capacity, and low emissions.
A proposed four-step cycle achieved 67 joules of heat absorption per gram and up to 77% energy efficiency in simulations.
The breakthrough could help meet rising global cooling demand, which may more than triple by 2050, and reduce emissions from energy-intensive applications like data centers.
The findings were published in Nature.
Los científicos chinos han descubierto un nuevo método de enfriamiento que utiliza una solución de sal que reduce la temperatura en casi 30 °C en 20 segundos, ofreciendo un enfriamiento eficiente y de bajas emisiones.