= Phase-change material
{wiki=Phase-change_material}
Phase-change materials (PCMs) are substances that absorb and release thermal energy during phase transitions, typically between solid and liquid states. These materials can store and release large amounts of energy with relatively small changes in temperature, making them effective for thermal management applications. Here are key points about phase-change materials: 1. **Phase Transition**: PCMs undergo a phase change when they are heated or cooled. Common transitions include solid to liquid (melting) and liquid to solid (freezing).
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