Boosting the thermoelectric performance of Yb-filled skutterudites through the incorporation of YSb nanoprecipitates

Author:

Qin Dandan1ORCID,Shi Wenjing2,Wang Xin1,Zou Cunlei1,Shang Chun1,Cui Xiangcheng1,Kang Huijun3,Lu Yunzhuo1,Sui Jiehe2ORCID

Affiliation:

1. School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, China

2. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China

3. Key Laboratory of Solidification Control and Digital Preparation Technology (Liaoning Province), School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China

Abstract

In this work, a ZTmax of ∼1.35 at 873 K is obtained for a Y0.05Yb0.2Co4Sb12 alloy, attributed to the synergistic effects of well-formed nanoscale YSb precipitates and Yb as effective fillers.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Liaoning Province

Publisher

Royal Society of Chemistry (RSC)

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