A general model for studying effects of interface layers on thermoelectric devices performance

X. C. Xuan*, Kim Choon NG, C. Yap, H. T. Chua

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

Interface layers play important roles in thermoelectric (TE) devices. The present study employs a phenomenological model to study the effects of internal and/or external interface layers on TE devices performance. Sets of general performance formulae are derived for both TE coolers and generators. Some simplifications are presented, and familiar performance formulae are found by introducing effective or equivalent properties such as electrical resistivity, thermal conductivity and Seebeck coefficient. Moreover, temperature-entropy diagrams are built to understand the effects of interface layers on TE thermodynamic cycles. Together with the power-efficiency curves, TE devices performance can be fully comprehended. In addition, a popular example is analysed, and new results are presented.

Original languageEnglish (US)
Pages (from-to)5159-5170
Number of pages12
JournalInternational Journal of Heat and Mass Transfer
Volume45
Issue number26
DOIs
StatePublished - Dec 1 2002

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Energy(all)
  • Mechanical Engineering

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