Enhanced thermoelectric performance in TiNiSn-based half-Heuslers

被引:85
作者
Downie, R. A. [1 ,2 ]
MacLaren, D. A. [3 ]
Smith, R. I. [4 ]
Bos, J. W. G. [1 ,2 ]
机构
[1] Heriot Watt Univ, Inst Chem Sci, Edinburgh EH14 4AS, Midlothian, Scotland
[2] Heriot Watt Univ, Sch Engn & Phys Sci, Ctr Adv Energy Storage & Recovery, Edinburgh EH14 4AS, Midlothian, Scotland
[3] Univ Glasgow, Sch Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland
[4] Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England
基金
英国工程与自然科学研究理事会;
关键词
MNISN M; TI; ALLOYS; ZR;
D O I
10.1039/c2cc37121a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Thermoelectric figures of merit, ZT > 0.5, have been obtained in arc-melted TiNiSn-based ingots. This promising conversion efficiency is due to a low lattice thermal conductivity, which is attributed to excess nickel in the half-Heusler structure.
引用
收藏
页码:4184 / 4186
页数:3
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