换热器与相变材料的兼容性研究进展

相变材料是一类以潜热实现能量存储释放的储能材料,由于其在相变温度附近具有很大的储热密度,相变材料可以被用于建筑控温、太阳能热发电和高温传热蓄热等应用中。换热器是相变储能设备的重要组成部分,可以将热量在供需两端进行传递和转移,保障需求一方的使用,随着相变材料研究的不断深入及其工程应用的广泛普及,换热器已在众多相变储能项目中发挥了重要的枢纽作用。为了保证换热器的使用性能,需要对换热器在相变材料中的防腐蚀性进行全面的分析。本文总结了大量国内外的文献,分析不同成分的相变材料对换热器材料的腐蚀性,为换热器材料的选择提供了参考。

Research Progress on Compatibility of Heat Exchanger and Phase Change Materials

Phase change materials(PCM) are used for thermal energy storage through the large energy released and received during phase change. Owing to the high energy density, PCM can be utilized in building thermal comforting, concentrated solar power and thermal transport and conversion at high temperature. Heat exchangers are used to transfer thermal energy between fluids and play a crucial role in enhancing energy efficiency of thermal energy storage devices which employ phase change materials as the storage unit. To guarantee the performance stability and usage safety, the compatibility between heat exchangers and phase change materials are extensively investigated. Herein, we give a comprehensive literature review on this topic. The presented overall study can be a reference for heat exchanger material selection.