| CPC F25B 21/02 (2013.01) [F25B 49/00 (2013.01)] | 17 Claims |

|
1. An electrocaloric effect element comprising:
a container having a first wall and a second wall, the second wall facing the first wall;
ionic liquid accommodated in the container;
a first electrode provided at an outer surface of the first wall; and
a movable electrode provided in the ionic liquid such that the movable electrode is movable in the ionic liquid.
|