Enhanced mechanical stability by using a groove-type electrode in a thermoelectric module

Kyomin Kim, Hoon Kim, Woochul Kim

Research output: Contribution to journalArticle

Abstract

Thermoelectric modules are energy conversion devices. They are attracting attention as a devices capable of producing electricity by utilizing waste heat. Thermoelectric modules require a high zT, and mechanical stability for reliable operation. In this research, we introduce the groove-type electrode to improve mechanical stability. Each electrode is attached to the thermoelectric element using a silver paste. The tensile and the shear strength of the thermoelectric materials' electrodes are measured using a universal testing machine. Results show that the groove-type electrode has higher bonding strength than the flat-type electrode. We also confirmed the difference in the performance of the element modeled using flat- and groove-type electrodes for thermo-electric numerical analysis.

Original languageEnglish
Pages (from-to)285-290
Number of pages6
JournalTransactions of the Korean Society of Mechanical Engineers, B
Volume42
Issue number4
DOIs
Publication statusPublished - 2018 Apr

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All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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