[HTML][HTML] Low-grade waste heat recovery scenarios: Pyroelectric, thermomagnetic, and thermogalvanic thermal energy harvesting

S Hur, S Kim, HS Kim, A Kumar, C Kwon, J Shin… - Nano Energy, 2023 - Elsevier
Identifying reliable and sustainable sources of electricity is a significant challenge of the
present time. However, most energy-generation mechanisms produce unavoidable low …

Phase transition enhanced pyroelectric nanogenerators for self-powered temperature sensors

H Li, CR Bowen, Y Yang - Nano Energy, 2022 - Elsevier
Pyroelectric materials are of interest for waste heat utilization and thermal detection.
However, the low output current and inefficiency reduces their effectiveness. Here, we utilize …

Flexoelectricity-enhanced photovoltaic effect in self-polarized flexible PZT nanowire array devices

B Zhang, D Tan, X Cao, J Tian, Y Wang, J Zhang… - ACS …, 2022 - ACS Publications
In this investigation, we report the flexoelectricity-enhanced photovoltaic (FPV) effect in a
flexible Pb (Zr0. 52Ti0. 48) O3 nanowire (PZT NW) array/PDMS (polydimethylsiloxane) …

Enhanced pyroelectric performance in Na0. 5Bi0. 5TiO3-xNa0. 5Bi4. 5Ti4O15 lead-free ferroelectric ceramics via composition and microstructure engineering

L Hu, B Fan, Z Fang, G Zhang, Q Zhang, G Zhang… - Acta Materialia, 2022 - Elsevier
Lead-free pyroelectric materials with high room-temperature pyroelectric coefficient (p) and
depolarization temperature (T d) are in great demand for uncool infrared detectors …

Continuous pyroelectric energy generation with cyclic magnetic phase transition for low-grade thermal energy harvesting

HS Choi, S Hur, A Kumar, H Song, JM Baik, HC Song… - Applied Energy, 2023 - Elsevier
Waste heat harvesting is of importance to mitigate global warming so that thermoelectric
devices have often been suggested; however, such approaches are challenging because of …

Pyrocatalysis-driven dye degradation by Zn Doped NBT-BT: A comparative analysis between powder and bulk

A Gaur, N Saurabh, S Patel - Materials Chemistry and Physics, 2024 - Elsevier
The present work investigates pyrocatalytic degradation of methylene blue (MB) dye in water
using 0.94 Na 1/2 Bi 1/2 TiO 3-0.06 BaTiO 3 (NBT-6BT). The poled NBT-6BT degraded MB …

High pyroelectric response in Pb0.99Nb0.02[(Zr0.57Sn0.43)1−xTix]0.98O3 ceramics

L Li, Y Dai, X Tang, S Wang, J Wang… - Journal of the American …, 2023 - Wiley Online Library
Both high pyroelectric coefficient and figure of merits of ferroelectric materials are desirable
for infrared detection. In this work, we prepared Pb0. 99Nb0. 02 [(Zr0. 57Sn0. 43) 1− xTix] …

Enhanced room-temperature electrocaloric and pyroelectric responses around morphotropic phase boundary and energy storage performance of lead-free Ba0 …

R Nandan, R Syal, S Kumar, NS Negi - Journal of Alloys and Compounds, 2023 - Elsevier
The electrocaloric (EC) cooling and energy storage capabilities of Pb-free ferroelectrics are
thought to be a promising technology for developing environmentally friendly refrigeration …

Effect of irradiation on pyroelectric and electrocaloric parameters in lead-free relaxor ferroelectric ceramic

VN Thakur, A Thakre, H Borkar, A Kumar - Materials Today …, 2022 - Elsevier
Ferroelectric materials have a renaissance due to various photosensitive characteristics. In
this study, temperature-dependent dielectric, impedance, and ferroelectric measurements …

Large pyroelectricity via engineered ferroelectric‐relaxor phase boundary

L Li, S Wang, X Li, Y Sha, Z Liu, L Liu… - Journal of the …, 2022 - Wiley Online Library
With growing demand for high‐sensitivity infrared detectors in industrial temperature
monitoring and medical systems, high‐performance pyroelectric materials are vitally …