Phase transformations—in which a material changes from one crystal structure to another, thereby acquiring dramatically different properties—are ubiquitous in nature. Understanding the microscopic ...

Scientists have used varying levels of Al₂O₃ and ZnO paraffin wax to improve the electrical and thermal performance of a photovoltaic-thermal (PVT) system. They have also developed a prediction model ...

PCMs are materials that absorb and release thermal energy through changes in their physical state. They can be categorized as liquid-gas, solid-solid, solid-gas, and solid-liquid, depending on their ...