Thermoelectric properties of high pressure synthesized lithium and calcium double-filled CoSb3

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ID: 41132
2017
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Abstract
Lithium and calcium are inefficient filling elements of CoSb3 at ambient pressure, but show nice filling behavior under high pressure. In this work, we synthesized Li/Ca double-filled CoSb3 with high pressure synthesis method. The products show the skutterudite structure of Im3¯ symmetry. Thermoelectric properties were effectively enhanced through Li and Ca co-filling. For the optimal Li0.08Ca0.18Co4Sb12 sample, the power factor maintains a relatively high value over the whole measurement temperature range and peaks at 4700μWm−1K−2, meanwhile the lattice thermal conductivity is greatly suppressed, leading to a maximal ZT of 1.18 at 700 K. Current work demonstrates high pressure synthesis as an effective method to produce multiple elemental filled CoSb3 skutterudites.
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li2017thermoelectricaip Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Li, Xiaohui;Kang, Yulong;Chen, Chen;Li, Jianghua;Zhang, Long;Yu, Fengrong;Yu, Dongli;Tian, Yongjun;Xu, Bo;
Journal aip advances
Year 2017
DOI
DOI not found
URL
http://dx.doi.org/10.1063/1.4974501
Keywords Keywords not found

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