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What is phase change thermal energy storage?

Phase change thermal energy storage technology utilizes phase change materials (PCMs) to store energy by absorbing or releasing a large amount of latent heat during the phase transition process. As shown in Fig. 4, the phase change process typically includes solid-solid phase change, solid-liquid phase change, and gas-liquid phase change.

What is a phase change thermal energy storage system (PCM)?

In phase change thermal energy storage technology, PCMs play a crucial role in determining the performance of the energy storage system. Researching and finding safe, reliable, high energy density, and high-performance PCMs is key to the advancement of phase change thermal energy storage technology.

What are the performance limitations of phase change thermal energy storage materials?

Material Performance Limitations: Despite the development of various phase change thermal energy storage materials, several performance shortcomings remain. Many materials have insufficient phase change latent heat, failing to meet the high energy density requirements of large-scale energy storage.

What is a phase change material (PCM)?

Phase Change Material (PCM): A substance capable of storing and releasing thermal energy during a phase transition, typically from solid to liquid and vice versa. Thermal Energy Storage (TES): The capture of heat energy for use at a later time, often through latent or sensible heat methods.