Enhancing the thermoelectric performance of filled skutterudite nanocomposites in a wide temperature range via electroless silver plating

Peng Chen, Zhenxing Zhou, Wan Jiang, Wei Luo, Jianping Yang, Juanjuan Zhu, Lianjun Wang, Yuchi Fan

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

So far high thermoelectric performance of filled skutterudite can only be obtained at relatively high temperature, which severely limits its application. Here, Yb-filled skutterudite (Yb0.35Co4Sb12) composites incorporated with silver nanoparticles are fabricated via electroless plating for achieving enhanced thermoelectric performance. The content and homogeneity of Ag nanoparticle can be well controlled to optimize the thermoelectric properties of bulk composite. As a result, the Yb0.35Co4Sb12 composite with optimum Ag content shows remarkably improved Seebeck coefficient and power factor, which leads to high ZT values above 0.8 from 450 to 800 K and a peak value of 1.0 at 603 K.

Original languageEnglish
Pages (from-to)136-141
Number of pages6
JournalScripta Materialia
Volume146
DOIs
Publication statusPublished - 2018 Mar 15
Externally publishedYes

Keywords

  • Composite
  • Electroless plating
  • Filled skutterudite
  • Thermoelectric properties

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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