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Title: Recent advances in thermoelectric nanocomposites

Abstract

Thermoelectric power generation represents a class of energy conversion technology, which has been used in power supply of aeronautic and astronautic exploring missions, now showing notable advantages to harvest the widely distributed waste heat and convert the abundant solar energy into electricity at lower cost than Si-based photovoltaic technology. Thermoelectric dimensionless figure of merit (ZT) plays a key role in the conversion efficiency from thermal to electrical energy. Most state-of-the-art thermoelectric materials are characterized with various nanostructures from fine grains, dispersed particles, nano-inclusions to atomic defects, and therefore are referenced as nanocomposite. Recently, remarkable advances have been achieved in various material systems through the introduction of different nanostructures to tune the transport of phonons and electrons. In this review, we firstly clarify some fundamental tradeoffs dictating the ZT value through the relationship ZT=(S2σ/κ)T. We also pay special attentions to the recent advances in some selected materials, including half-Heuslers, PbTe, CoSb3, Bi2Te3, etc. We provide an outlook of new directions in this filed, especially a proposal on a new concept of ordered nanocomposite.

Authors:
 [1];  [1];  [2];  [1]
  1. Boston College, Chestnut Hill, MA (United States). Dept. of Physics
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Mechanical Engineering
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1386800
Grant/Contract Number:  
SC0001299; FG02-09ER46577
Resource Type:
Accepted Manuscript
Journal Name:
Nano Energy
Additional Journal Information:
Journal Volume: 1; Journal Issue: 1; Journal ID: ISSN 2211-2855
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; thermoelectric; nanocomposite; random nanostructure; ordered nanostructure

Citation Formats

Liu, Weishu, Yan, Xiao, Chen, Gang, and Ren, Zhifeng. Recent advances in thermoelectric nanocomposites. United States: N. p., 2011. Web. doi:10.1016/j.nanoen.2011.10.001.
Liu, Weishu, Yan, Xiao, Chen, Gang, & Ren, Zhifeng. Recent advances in thermoelectric nanocomposites. United States. https://doi.org/10.1016/j.nanoen.2011.10.001
Liu, Weishu, Yan, Xiao, Chen, Gang, and Ren, Zhifeng. Tue . "Recent advances in thermoelectric nanocomposites". United States. https://doi.org/10.1016/j.nanoen.2011.10.001. https://www.osti.gov/servlets/purl/1386800.
@article{osti_1386800,
title = {Recent advances in thermoelectric nanocomposites},
author = {Liu, Weishu and Yan, Xiao and Chen, Gang and Ren, Zhifeng},
abstractNote = {Thermoelectric power generation represents a class of energy conversion technology, which has been used in power supply of aeronautic and astronautic exploring missions, now showing notable advantages to harvest the widely distributed waste heat and convert the abundant solar energy into electricity at lower cost than Si-based photovoltaic technology. Thermoelectric dimensionless figure of merit (ZT) plays a key role in the conversion efficiency from thermal to electrical energy. Most state-of-the-art thermoelectric materials are characterized with various nanostructures from fine grains, dispersed particles, nano-inclusions to atomic defects, and therefore are referenced as nanocomposite. Recently, remarkable advances have been achieved in various material systems through the introduction of different nanostructures to tune the transport of phonons and electrons. In this review, we firstly clarify some fundamental tradeoffs dictating the ZT value through the relationship ZT=(S2σ/κ)T. We also pay special attentions to the recent advances in some selected materials, including half-Heuslers, PbTe, CoSb3, Bi2Te3, etc. We provide an outlook of new directions in this filed, especially a proposal on a new concept of ordered nanocomposite.},
doi = {10.1016/j.nanoen.2011.10.001},
journal = {Nano Energy},
number = 1,
volume = 1,
place = {United States},
year = {Tue Oct 25 00:00:00 EDT 2011},
month = {Tue Oct 25 00:00:00 EDT 2011}
}

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