Materials, physics and systems for multicaloric cooling
Calls to minimize greenhouse gas emissions and demands for higher energy efficiency
continue to drive research into alternative cooling and refrigeration technologies. The caloric …
continue to drive research into alternative cooling and refrigeration technologies. The caloric …
Caloric materials for cooling and heating
X Moya, ND Mathur - Science, 2020 - science.org
Magnetically driven thermal changes in magnetocaloric materials have, for several decades,
been exploited to pump heat near room temperature. By contrast, their electrocaloric and …
been exploited to pump heat near room temperature. By contrast, their electrocaloric and …
Large electrocaloric effects in oxide multilayer capacitors over a wide temperature range
Heat pumps based on magnetocaloric and electrocaloric working bodies—in which entropic
phase transitions are driven by changes of magnetic and electric field, respectively—use …
phase transitions are driven by changes of magnetic and electric field, respectively—use …
Large harvested energy with non-linear pyroelectric modules
P Lheritier, A Torelló, T Usui, Y Nouchokgwe… - Nature, 2022 - nature.com
Coming up with sustainable sources of electricity is one of the grand challenges of this
century. The research field of materials for energy harvesting stems from this motivation …
century. The research field of materials for energy harvesting stems from this motivation …
Electrocaloric coolers: a review
Since the discovery of giant electrocaloric effects, researchers are intensively studying
electrocaloric cooling as an alternative to vapor compression systems to develop more …
electrocaloric cooling as an alternative to vapor compression systems to develop more …
Giant electrocaloric materials energy efficiency in highly ordered lead scandium tantalate
Electrocaloric materials are promising working bodies for caloric-based technologies,
suggested as an efficient alternative to the vapor compression systems. However, their …
suggested as an efficient alternative to the vapor compression systems. However, their …
Origin of large negative electrocaloric effect in antiferroelectric
We have studied the electrocaloric response of the archetypal antiferroelectric PbZr O 3 as a
function of voltage and temperature in the vicinity of its antiferroelectric-paraelectric phase …
function of voltage and temperature in the vicinity of its antiferroelectric-paraelectric phase …
On the efficiency of caloric materials in direct comparison with exergetic grades of compressors
J Schipper, D Bach, S Mönch, C Molin… - Journal of Physics …, 2023 - iopscience.iop.org
Efficiency improvements in heat pump can drastically reduce global energy demand. Caloric
heat pumps are currently being investigated as a potentially more efficient alternative to …
heat pumps are currently being investigated as a potentially more efficient alternative to …
A 99.74% efficient capacitor-charging converter using partial power processing for electrocalorics
This work combines a 99.2% efficient gallium nitride (GaN)-based low-voltage fast-switching
half-bridge converter with an Si-based high-voltage slow-switching and almost lossless …
half-bridge converter with an Si-based high-voltage slow-switching and almost lossless …
[HTML][HTML] Materials efficiency of electrocaloric lead scandium tantalate multilayer capacitors
Y Nouchokgwe, P Lheritier, T Usui, A Torello, A El Moul… - Scripta Materialia, 2022 - Elsevier
Electrocaloric materials in the shape of multilayer capacitors are excellent working bodies to
build cooling devices as they can exhibit large changes in temperature triggered by changes …
build cooling devices as they can exhibit large changes in temperature triggered by changes …