APPARATUS FOR HEATING OR COOLING A MATERIAL CONTAINED THEREIN

摘要

There is described an apparatus for heating or cooling a material to be heated or to be cooled. The apparatus comprises: a first compartment for containing the material to be heated or to be cooled; a second compartment containing a phase change material, wherein the phase change material is either for generating heat to heat the first compartment or absorbing heat to cool the first compartment when undergoing a phase change. There are further described various different activating arrangements for activating a change of phase of the phase change material.