Solubility study of Y in n-type YxCe0.15Co4Sb12 skutterudites and its effect on thermoelectric properties

被引：24
作者：
Qin, D. [1 ]
Shi, W. [1 ]
Xue, W. [2 ]
Qin, H. [1 ]
Cao, J. [1 ]
Cai, W. [3 ]
Wang, Y. [2 ]
Sui, J. [1 ]
机构：
[1] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[3] Harbin Inst Technol, Natl Key Lab Precis Hot Proc Met, Harbin 150001, Peoples R China
来源：
MATERIALS TODAY PHYSICS | 2020年 / 13卷
基金：
中国国家自然科学基金;
关键词：
Skutterudites; Y auxiliary filler; Lattice thermal conductivity; Thermoelectric properties; LATTICE THERMAL-CONDUCTIVITY; PERFORMANCE; ZT; FIGURE; MERIT; CONVERGENCE; ANTIMONIDES; SR;
D O I：
10.1016/j.mtphys.2020.100206
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Low-cost Ce has been proved to be an effective auxiliary filler for performance tuning in CoSb3-based skutterudite, one of the most promising thermoelectric materials at medium temperature. However, the low solubility of Ce in CoSb3 makes its overall thermoelectric properties so far inferior to that with expensive and scarce Yb filler. Herein, using non-equilibrium processing, we successfully synthesized a series of double-filled skutterudites with Ce as the dominating filling element and Y as the auxiliary filler. Our investigation shows that Y filling not only optimizes the carrier concentration and thus enhances the overall power factor but also introduces additional phonon scattering and hence leads to significantly suppressed lattice thermal conductivity. The concurrently optimized electrical and thermal properties realize the maximum ZT of similar to 1.37 at 873 K in the Y0.05Ce0.15Co4Sb12 sample, prevailing over the other involved Ce single- or even double-filled skutterudites, which will potentially facilitate a widespread application of filled skutterudites. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：7
相关论文
共 53 条
  • [1] [Anonymous], 2011, NATURES BUILDING BLO
  • [2] Enhanced thermoelectric performance of dual-element-filled skutterudites BaxCeyCo4Sb12
    Bai, S. Q.
    Pei, Y. Z.
    Chen, L. D.
    Zhang, W. Q.
    Zhao, X. Y.
    Yang, J.
    [J]. ACTA MATERIALIA, 2009, 57 (11) : 3135 - 3139
  • [3] Discordant nature of Cd in PbSe: off-centering and core-shell nanoscale CdSe precipitates lead to high thermoelectric performance
    Cai, Songting
    Hao, Shiqiang
    Luo, Zhong-Zhen
    Li, Xiang
    Hadar, Ido
    Bailey, Trevor
    Hu, Xiaobing
    Uher, Ctirad
    Hu, Yan-Yan
    Wolverton, Christopher
    Dravid, Vinayak P.
    Kanatzidis, Mercouri G.
    [J]. ENERGY & ENVIRONMENTAL SCIENCE, 2020, 13 (01) : 200 - 211
  • [4] Anomalous barium filling fraction and n-type thermoelectric performance of BayCo4Sb12
    Chen, LD
    Kawahara, T
    Tang, XF
    Goto, T
    Hirai, T
    Dyck, JS
    Chen, W
    Uher, C
    [J]. JOURNAL OF APPLIED PHYSICS, 2001, 90 (04) : 1864 - 1868
  • [5] Electronegative guests in CoSb3
    Duan, Bo
    Yang, Jiong
    Salvador, James R.
    He, Yang
    Zhao, Bo
    Wang, Shanyu
    Wei, Ping
    Ohuchi, Fumio S.
    Zhang, Wenqing
    Hermann, Raphael P.
    Gourdon, Olivier
    Mao, Scott X.
    Cheng, Yingwen
    Wang, Chongmin
    Liu, Jun
    Zhai, Pengcheng
    Tang, Xinfeng
    Zhang, Qingjie
    Yang, Jihui
    [J]. ENERGY & ENVIRONMENTAL SCIENCE, 2016, 9 (06) : 2090 - 2098
  • [6] High-Temperature Thermoelectric Properties of Co4Sb12-Based Skutterudites with Multiple Filler Atoms: Ce0.1InxYbyCo4Sb12
    Graff, Jennifer
    Zhu, Song
    Holgate, Tim
    Peng, Jiangying
    He, Jian
    Tritt, Terry M.
    [J]. JOURNAL OF ELECTRONIC MATERIALS, 2011, 40 (05) : 696 - 701
  • [7] High figure of merit in Eu-filled CoSb3-based skutterudites
    Lamberton, GA
    Bhattacharya, S
    Littleton, RT
    Kaeser, MA
    Tedstrom, RH
    Tritt, TM
    Yang, J
    Nolas, GS
    [J]. APPLIED PHYSICS LETTERS, 2002, 80 (04) : 598 - 600
  • [8] Synthesis and high temperature thermoelectric properties of calcium and cerium double-filled skutterudites Ca0.1CexCo4Sb12
    Li, D.
    Yang, K.
    Hng, H. H.
    Yan, Q. Y.
    Ma, J.
    Zhu, T. J.
    Zhao, X. B.
    [J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2009, 42 (10)
  • [9] High performance InxCeyCo4Sb12 thermoelectric materials with in situ forming nanostructured InSb phase
    Li, Han
    Tang, Xinfeng
    Zhang, Qingjie
    Uher, Ctirad
    [J]. APPLIED PHYSICS LETTERS, 2009, 94 (10)
  • [10] Ultralow thermal conductivity of BaAg2SnSe4 and the effect of doping by Ga and In
    Li, Y.
    Li, Z.
    Zhang, C.
    Yang, D.
    Liu, T.
    Yan, Y.
    Liu, W.
    Tan, G.
    Su, X.
    Uher, C.
    Tang, X.
    [J]. MATERIALS TODAY PHYSICS, 2019, 9
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