Alleviating bottom difficult-to-melt issue and enhancing heat storage in horizontal phase change material units via composite design of inner-tube eccentricity and bottom cross-cutting

Puntos clave

• Improved heat storage efficiency in phase change materials indicates a significant advancement in thermal performance.
• Thermal performance was enhanced by adjusting the inner-tube eccentricity and implementing bottom cross-cutting designs.
• Assessment of composite design methods illustrates their effectiveness in managing the melting issues of phase change materials.
• It supports further development of heat storage technologies, potentially leading to more efficient energy systems.