Oxide-based thermoelectric power generation module using p-type Ca 3Co4O9 and n-type (ZnO)7In 2O3 legs

Soon Mok Choi, Kyu Hyoung Lee, Chang Hyun Lim, Won Seon Seo

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66 Citations (Scopus)


This study presents the fabrication of an oxide-based thermoelectric power generation module using layer-structured p-type Ca3Co 4O9 and n-type (ZnO)7In2O 3 legs. The potential for development and effective use of high power density thermoelectric generation system is investigated in terms of its power per area, the temperature conditions, and the number of p-n couples. The significance of the manufacturing factors including contact between legs and electrodes are discussed. The thermoelectric figure of merit values of the p-type and n-type legs at 1100 K were 0.55 × 104 K1 and 1.35 × 104 K1, respectively. The maximum power obtained was 423 mW with the 44 p-n couples module, under the thermal condition of a hot-side temperature of 1100 K and a temperature difference AT= 673 K. Crown

Original languageEnglish
Pages (from-to)335-339
Number of pages5
JournalEnergy Conversion and Management
Issue number1
Publication statusPublished - 2011 Jan

Bibliographical note

Funding Information:
This study was supported by the R&D Program for Energy and Resource funded by the Ministry of Knowledge Economy of the Korean Government.

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology


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