Various energy storage methods, heat-solar energy storage, detailed information, utilization of heat energy storate methods, phase-changing materials, simple and complex geometry and phase-changing heat transfer, environmental impacts of heat energy storage.

Fundamental concepts and descriptions, energy storage systems and varieties. Chemical energy storage, batteries and varieties, batteries, solar-heat energy storage systems, sensual heat storage, hidden heat storage, phase-changing materials, heat transfer and stratification, their modelling, simple and comlex geometries, their environmental impacts.