EP11: Novel Materials for End-of-Roadmap Devices in Logic, Power and Memory
SM2: Bioinspired Dynamic Materials—Synthesis, Engineering and Applications

EE11: Caloric Materials for Renewable Energy Applications

Qiming Zhang, The Pennsylvania State University

Developing Dielectric Materials with Giant Electrocaloric (EC) Response and for Practical EC Cooling

Written by Tine Naerland

Electrocaloric effect (ECE) is the ability of a dielectric to change its temperature and entropy as an electric field is applied and released. It provides an effective means to realize solid-state cooling devices that are environmentally benign and potentially highly energy efficient. Large electrocaloric effect over a broad temperature range has been obtained in relaxor ferroelectric polymers, nanocomposites, and ferroelectric ceramics, under high electric fields. The easy control of the electric signals and large ECE enable a variety of cooling and thermal management device configurations, from micro-coolers, to portable, and large size cooling devices, to be realized.


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