Sustainable heat harvesting via thermal nonlinearity

Y Zhou, T Ding, G Xu, S Yang, CW Qiu, J He… - Nature Reviews …, 2024 - nature.com
Converting the pervasive low-grade environmental waste heat of approximately 200 EJ
globally per year (equivalent to 27 Gt of CO2 emission) into electricity promises energy …

Giant polarization ripple in transverse pyroelectricity

Y Zhou, T Ding, J Guo, G Xu, M Cheng, C Zhang… - Nature …, 2023 - nature.com
Pyroelectricity originates from spontaneous polarization variation, promising in omnipresent
non-static thermodynamic energy harvesting. Particularly, changing spontaneous …

Electronic cooling and energy harvesting using ferroelectric polymer composites

K Zou, P Bai, K Li, F Luo, J Liang, L Lin, R Ma… - Nature …, 2024 - nature.com
Thermal management emerges as a grand challenge of next-generation electronics. Efforts
to develop compact, solid-state cooling devices have led to the exploration of the …

[HTML][HTML] Effect of the growth orientation on the physical properties of Sr2CoNbO6 thin films

A Kumar, R Meena, M Miryala, K Ueno… - Journal of Vacuum …, 2023 - pubs.aip.org
We study the effect of the growth orientation on the structural, electronic, and hence transport
properties of Sr 2 CoNbO 6 thin films grown on the orthorhombic NGO (100) and cubic MgO …

Low hysteresis and enhanced figure-of-merit of pyroelectric energy conversion at compatible phase transformation

C Zhang, Z Zhu, JY Choi, JY Kim, X Chen - Applied Physics Letters, 2021 - pubs.aip.org
The pyroelectricity of polar materials provides great potential for electricity generation from
waste heat. The pyroelectric effect of the material can be magnificently enhanced at a first …

Grain size and lattice compatibility enhanced figure-of-merit in Ba0. 95Ca0. 05Ce0. 005ZrxTi0. 995− xO3 material for pyroelectric energy conversion

R Huang, Z Zhu, R Geng, KH Chan, X Chen… - Applied Physics …, 2024 - pubs.aip.org
Phase-transforming ferroelectric materials have attracted significant attention due to their
potential for energy conversion from waste heat. Here, we explore the impact of grain size …

Energy conversion from heat to electricity by highly reversible phase-transforming ferroelectrics

C Zhang, Z Zeng, Z Zhu, N Tamura, X Chen - Physical Review Applied, 2021 - APS
The search for performant multiferroic materials has attracted general research interest in
energy science as they have been increasingly exploited as the conversion media among …

Enhanced functional reversibility in lead-free ferroelectric material over long cycle pyroelectric energy conversion

C Zhang, Z Zhu, KH Chan, R Huang, X Chen - Physical Review Materials, 2023 - APS
The ferroelectric material usually exhibits temperature-dependent spontaneous polarization,
known as pyroelectricity, which can be used to directly convert thermal energy to electricity …

Electric leakage suppression of phase-transforming ferroelectrics with donor impurities

C Zhang, X Peng, B Liu, K Zhang, X Chen - arXiv preprint arXiv …, 2024 - arxiv.org
Phase-transforming ferroelectric materials are widely used in energy harvesting and
conversion devices. However, the functionality of these devices is significantly impeded by …

[PDF][PDF] Giant pyroelectric effect for energy conversion via tuning lattice compatibility

C Zhang, Z Zeng, Z Zhu, N Tamura… - arXiv preprint arXiv …, 2021 - academia.edu
Searching for performant pyroelectric materials is gathering research interest for its potential
in clean electricity generation and waste heat harvesting. Here we report achieving the giant …