Phase change materials for aerospace

With the ongoing advancement of aerospace technology, the demand for high-performance materials is rising. Phase change materials (PCMs), known for their unique thermophysical properties and versatility, offer new opportunities for breakthroughs in aerospace applications. PCMs, characterized by their low density, high energy storage density, and robust cycle stability, are ideal for aircraft lightweighting and thermal management of electronic devices. This review provides an overview of PCMs, including their mechanism, classification, preparation methods, and performance optimization. It then outlines the selection criteria for aerospace applications, emphasizing attributes such as lightweight design, long-term cycle stability, high thermal conductivity, resistance to extreme temperatures and radiation, and compatibility with existing equipment. Finally, the review explores recent advancements in PCM applications in aerospace, addressing the associated challenges and future prospects. • Selection standards for PCMs in aerospace were presented. • A comprehensive overview of PCMs in aerospace applications. • Recent advances and future challenges in the application of PCMs in aerospace were discussed.