Grain boundary engineering: An emerging pathway toward efficient electrocatalysis

X Xu, Y Zhong, M Wajrak, T Bhatelia, SP Jiang… - InfoMat, 2024 - Wiley Online Library
Electrochemical transformation processes involving carbon, hydrogen, oxygen, nitrogen,
and small‐molecule chemistries represent a promising means to store renewable energy …

Carrier grain boundary scattering in thermoelectric materials

C Hu, K **a, C Fu, X Zhao, T Zhu - Energy & Environmental Science, 2022 - pubs.rsc.org
Bulk nanostructuring has been one of the leading strategies employed in the past decade for
the optimization of thermoelectric properties by introducing strong grain boundary scattering …

Wide-temperature-range thermoelectric n-type Mg3(Sb,Bi)2 with high average and peak zT values

JW Li, Z Han, J Yu, HL Zhuang, H Hu, B Su, H Li… - Nature …, 2023 - nature.com
Abstract Mg3 (Sb, Bi) 2 is a promising thermoelectric material suited for electronic cooling,
but there is still room to optimize its low-temperature performance. This work realizes> 200 …

[HTML][HTML] Magnesium-based energy materials: Progress, challenges, and perspectives

G Han, Y Lu, H Jia, Z Ding, L Wu, Y Shi, G Wang… - Journal of Magnesium …, 2023 - Elsevier
Magnesium-based energy materials, which combine promising energy-related functional
properties with low cost, environmental compatibility and high availability, have been …

High-performance Mg3Sb2-based thermoelectrics with reduced structural disorder and microstructure evolution

L Wang, W Zhang, SY Back, N Kawamoto… - Nature …, 2024 - nature.com
Mg3Sb2-based thermoelectrics show great promise for next-generation thermoelectric
power generators and coolers owing to their excellent figure of merit (zT) and earth …

Next-generation thermoelectric cooling modules based on high-performance Mg3 (Bi, Sb) 2 material

J Yang, G Li, H Zhu, N Chen, T Lu, J Gao, L Guo… - Joule, 2022 - cell.com
As the core component of any real thermoelectric cooling system, the Bi 2 Te 3-based
modules have been used for decades. Recently, n-type Mg 3 (Bi, Sb) 2 material was …

Grain boundary phases in NbFeSb half‐heusler alloys: a new avenue to tune transport properties of thermoelectric materials

R Bueno Villoro, D Zavanelli, C Jung… - Advanced Energy …, 2023 - Wiley Online Library
Many thermoelectric materials benefit from complex microstructures. Grain boundaries (GBs)
in nanocrystalline thermoelectrics cause desirable reduction in the thermal conductivity by …

Realizing High Thermoelectric Performance in GeTe‐Based Supersaturated Solid Solutions

X Liu, W Wang, Y Wang, P Li, Q Tang… - Advanced Energy …, 2024 - Wiley Online Library
As a highly promising thermoelectric material in the mid‐temperature region, pristine GeTe
shows deteriorated thermoelectric properties due to the low Seebeck coefficient and the …

Improved figure of merit (z) at low temperatures for superior thermoelectric cooling in Mg3(Bi,Sb)2

N Chen, H Zhu, G Li, Z Fan, X Zhang, J Yang… - Nature …, 2023 - nature.com
The low-temperature thermoelectric performance of Bi-rich n-type Mg3 (Bi, Sb) 2 was limited
by the electron transport scattering at grain boundaries, while removing grain boundaries …

A robust thermoelectric module based on MgAgSb/Mg 3 (Sb, Bi) 2 with a conversion efficiency of 8.5% and a maximum cooling of 72 K

P Ying, L Wilkens, H Reith, NP Rodriguez… - Energy & …, 2022 - pubs.rsc.org
The applications of thermoelectric (TE) technology around room temperature are
monopolized by bismuth telluride (Bi2Te3). However, due to the toxicity and scarcity of …