1. Introduction to Electrocaloric effect 2. Thermodynamics of Electrocaloric effect 3. Modelling of Electrocaloric effect 4. First-principles based simulation of the electrocaloric effect 5. Negative electrocaloric effect and its use for solid-state refrigeration 6. Materials issues in the synthesis of electrocaloric structures 7. Electrocaloric effects in ferroelectric perovskites 8. Electrocaloric effects in relaxor ferroelectrics 9. Electrocaloric effects in liquid crystals 10. Electrocaloric Effects in Thin Film Structures 11. Electrocaloric Polymers and Related Materials 12. Electrocaloric effects in novel fluorite-structure ferroelectrics 13. Multiferroic layered structures for electrocaloric applications 14. Direct and indirect measurements of Electrocaloric effect in metal oxides 15. Basics of design and modelling of regenerative electrocaloric coolers 16. Numerical modelling and design of regenerative electrocaloric coolers: State of the art 17. Electrocaloric devices using cantilever structures 18. Electrocaloric-based applications: challenges and perspectives