In rural regions, freshly harvested fruits and vegetables cannot be precooled in time, resulting in enormous economic losses. In this paper, a novel solar-driven compression-assisted desorption chemisorption refrigeration/cold energy storage system for refrigerated warehouses is proposed. Compression-assisted desorption allows flexible adjustment of the desorption temperature of composite sorbent to actively adapt to the instable solar hot water tem. In rural regions, freshly harvested fruits and vegetables cannot be precooled in time, resulting in enormous economic losses. In this paper, a novel solar-driven compression-assisted desorption chemisorption refrigeration/cold energy storage system for refrigerated warehouses is proposed. Compression-assisted desorption allows flexible adjustment of the desorption temperature of composite sorbent to actively adapt to the instable solar hot water temperature. The desorption reaction can increase compressor suction pressure, which helps to reduce power consumption and improve the coefficient of performance (COP). The chemisorption energy storage module completes its regeneration by day and releases cold energy to refrigerated warehouse at night. This module can change the refrigerating temperature depending on the type of fruits and vegetables, superior to the phase change cold storage technology. Therefore, the system can effectively overcome the problems caused by the instability and intermittency of solar energy. According to the performance test results of the reactor, the COP is 5.5 at a hot water temperature of 90 °C, an evaporating temperature of −10 °C and a condensing temperature of 40 °C, which is higher than the 2.6 of the R404A vapor-compression system. Additionally, its refrigerating capacity can be changed by adjusting the number of reactors operating inside the sorption bed, ranging from 1.52 kW to 5.21 kW. Analysis results indicate that the system can efficiently and consistently meet t. ••A solar-driven chemisorption refrigeration/cold energy storage system is proposed.••Chemisorption refrigeration and sorption energy storage are coupled together.••The system can efficiently operate at a hot water temperature of above 70 °C.••Cooling capacity can be changed by adjusting the number of reactors in operation.••The. Chemisorption refrigerationCold energy storageCompression assisted desorptionSolar energyC specific heat, kJ/(kg·K)F area, m2g acceleration of gravity, N/kgH reaction heat, kJ/kgh enthalpy, kJ/kgI Fruits and vegetables are essential foods in our lives, providing valuable nutrients that help maintain good health. China is a major producer of fruits and vegetables in the world. However, due to the lack of efficient and practical fruits and vegetables post-harvest preservation technology and devices, especially the lack of precooling devices in production areas, the loss rate in China is as high as 15%, while it is controlled below 5% in developed countries. According to data released by the National Development and Reform Commission, the annual economic losses caused by the spoilage of fruits and vegetables in China can reach more than 100 billion yuan.An effective method is to build refrigerated warehouses in the production areas to precool freshly harvested fruits and vegetables, and the field heat can be rapidly removed by precooling, significantly reducing their respiration and transpiration rates.Currently, the vapor-compression refrigeration is utilized to provide refrigerating capacity for refrigerated warehouses. However, their relatively low space temperature will result in a lower coefficient of performance (COP). Rural areas are widely spread with farmland and fruit forests, and these areas often face the problem of few power supply outlets and weak power supply capacity.
