Fabrication of oxide thermoelectric module consisting of multi-layered thick films

S. Horii, M. Sakurai, T. Okamoto, J. Shimoyama, K. Kishio, T. Uchikoshi, Tohru Suzuki, Y. Sakka, R. Funahashi, T. Mihara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We report the fabrication and thermoelectric properties of a multi-layered unicouple of [Ca 2 CoO 3-δ ] 0.62 CoO 2 (Ca349; p-type) and Ca 0.9 La 0.1 MnO 3-δ (Mn113; n-type). The multilayered thick films consisting of Ca349, Mn113 and Al 2 O 3 were prepared using an Electrophoretic deposition (EPD) method. In particular, the Ca349 layer was deposited under a magnetic field of 3 T and strongly c-axis-grain-oriented microstructure was obtained. The unicouple of hot-forged Ca349 and Mn113 layers generated 85 mV of voltage in ΔT -450 K and, however, showed remarkably high internal resistance due to porous microstructure of the Mn113 layer. The development of a densification process for the n-type layer is an important for improving higher power density.

Original languageEnglish
Title of host publicationProceedings ICT'06 - 25th International Conference on Thermoelectrics
Pages480-483
Number of pages4
DOIs
Publication statusPublished - 2006 Dec 1
Externally publishedYes
EventICT'06 - 25th International Conference on Thermoelectrics - Vienna, Austria
Duration: 2006 Aug 62006 Aug 10

Publication series

NameInternational Conference on Thermoelectrics, ICT, Proceedings

Other

OtherICT'06 - 25th International Conference on Thermoelectrics
CountryAustria
CityVienna
Period06/8/606/8/10

Fingerprint

Thick films
Fabrication
Microstructure
Oxides
Densification
Magnetic fields
Electric potential

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Horii, S., Sakurai, M., Okamoto, T., Shimoyama, J., Kishio, K., Uchikoshi, T., ... Mihara, T. (2006). Fabrication of oxide thermoelectric module consisting of multi-layered thick films. In Proceedings ICT'06 - 25th International Conference on Thermoelectrics (pp. 480-483). [4133335] (International Conference on Thermoelectrics, ICT, Proceedings). https://doi.org/10.1109/ICT.2006.331320

Fabrication of oxide thermoelectric module consisting of multi-layered thick films. / Horii, S.; Sakurai, M.; Okamoto, T.; Shimoyama, J.; Kishio, K.; Uchikoshi, T.; Suzuki, Tohru; Sakka, Y.; Funahashi, R.; Mihara, T.

Proceedings ICT'06 - 25th International Conference on Thermoelectrics. 2006. p. 480-483 4133335 (International Conference on Thermoelectrics, ICT, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Horii, S, Sakurai, M, Okamoto, T, Shimoyama, J, Kishio, K, Uchikoshi, T, Suzuki, T, Sakka, Y, Funahashi, R & Mihara, T 2006, Fabrication of oxide thermoelectric module consisting of multi-layered thick films. in Proceedings ICT'06 - 25th International Conference on Thermoelectrics., 4133335, International Conference on Thermoelectrics, ICT, Proceedings, pp. 480-483, ICT'06 - 25th International Conference on Thermoelectrics, Vienna, Austria, 06/8/6. https://doi.org/10.1109/ICT.2006.331320
Horii S, Sakurai M, Okamoto T, Shimoyama J, Kishio K, Uchikoshi T et al. Fabrication of oxide thermoelectric module consisting of multi-layered thick films. In Proceedings ICT'06 - 25th International Conference on Thermoelectrics. 2006. p. 480-483. 4133335. (International Conference on Thermoelectrics, ICT, Proceedings). https://doi.org/10.1109/ICT.2006.331320
Horii, S. ; Sakurai, M. ; Okamoto, T. ; Shimoyama, J. ; Kishio, K. ; Uchikoshi, T. ; Suzuki, Tohru ; Sakka, Y. ; Funahashi, R. ; Mihara, T. / Fabrication of oxide thermoelectric module consisting of multi-layered thick films. Proceedings ICT'06 - 25th International Conference on Thermoelectrics. 2006. pp. 480-483 (International Conference on Thermoelectrics, ICT, Proceedings).
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AU - Uchikoshi, T.

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N2 - We report the fabrication and thermoelectric properties of a multi-layered unicouple of [Ca 2 CoO 3-δ ] 0.62 CoO 2 (Ca349; p-type) and Ca 0.9 La 0.1 MnO 3-δ (Mn113; n-type). The multilayered thick films consisting of Ca349, Mn113 and Al 2 O 3 were prepared using an Electrophoretic deposition (EPD) method. In particular, the Ca349 layer was deposited under a magnetic field of 3 T and strongly c-axis-grain-oriented microstructure was obtained. The unicouple of hot-forged Ca349 and Mn113 layers generated 85 mV of voltage in ΔT -450 K and, however, showed remarkably high internal resistance due to porous microstructure of the Mn113 layer. The development of a densification process for the n-type layer is an important for improving higher power density.

AB - We report the fabrication and thermoelectric properties of a multi-layered unicouple of [Ca 2 CoO 3-δ ] 0.62 CoO 2 (Ca349; p-type) and Ca 0.9 La 0.1 MnO 3-δ (Mn113; n-type). The multilayered thick films consisting of Ca349, Mn113 and Al 2 O 3 were prepared using an Electrophoretic deposition (EPD) method. In particular, the Ca349 layer was deposited under a magnetic field of 3 T and strongly c-axis-grain-oriented microstructure was obtained. The unicouple of hot-forged Ca349 and Mn113 layers generated 85 mV of voltage in ΔT -450 K and, however, showed remarkably high internal resistance due to porous microstructure of the Mn113 layer. The development of a densification process for the n-type layer is an important for improving higher power density.

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