Electrocaloric cooling: The importance of electric-energy recovery and heat regeneration U. Plaznik, M. Vrabelj, Z. Kutnjak, B. Malič, A. Poredoš and A. Kitanovski EPL, 111 5 (2015) 57009 Published online: 29 September 2015 DOI: 10.1209/0295-5075/111/57009