Alkali metal thermoelectric converter (AMTEC)

T. Masuda, Kotaro Tanaka, A. Negishi, T. Honda, T. Fujii

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The alkali metal thermoelectric converter(AMTEC) utilizing the sodium ion conducting β″-aluminum is a device to convert directly heat energy to electric energy. It is characterized by high conversion efficiencies (20 ≈30%), high power densities (≈ 1 W/cm2), no moving parts and low maintenance requirements. Because of these merits, AMTEC is one of the most promising candidate for dispersed small scale power station, remote power station and aerospace power systems. The AMTEC cycle had been proposed by Ford Motor Company. Up to date, the specific power densities of 1.1 W/cm2, the conversion efficiencies of 19%, and duration time of over 1000 hours have been demonstrated in Ford Motor Company. In ETL, the specific power densities of 0.79 W/cm2, the conversion efficiencies of 30% and the power of 12.3 W in two series connected cells have been demonstrated. And also, it has been made clear that the AMTEC power system has the capability of over 50% of conversion efficiency. The basic research phase on AMTEC would be completed now and the system research phase would going on. The further AMTEC research has been proposed aiming to develop the combined power station with such as high temperature gas reactor and/ or solid oxide fuel cell.

Original languageEnglish
Pages (from-to)111-128
Number of pages18
JournalDenshi Gijutsu Sogo Kenkyusho Iho/Bulletin of the Electrotechnical Laboratory
Volume57
Issue number5-6
Publication statusPublished - 1993
Externally publishedYes

Fingerprint

Alkali metals
alkali metals
converters
Conversion efficiency
radiant flux density
stations
gas reactors
power converters
High temperature gas reactors
Power converters
high temperature gases
solid oxide fuel cells
Solid oxide fuel cells (SOFC)
maintenance
Industry
Sodium
sodium
aluminum
Aluminum
conduction

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Alkali metal thermoelectric converter (AMTEC). / Masuda, T.; Tanaka, Kotaro; Negishi, A.; Honda, T.; Fujii, T.

In: Denshi Gijutsu Sogo Kenkyusho Iho/Bulletin of the Electrotechnical Laboratory, Vol. 57, No. 5-6, 1993, p. 111-128.

Research output: Contribution to journalArticle

Masuda, T. ; Tanaka, Kotaro ; Negishi, A. ; Honda, T. ; Fujii, T. / Alkali metal thermoelectric converter (AMTEC). In: Denshi Gijutsu Sogo Kenkyusho Iho/Bulletin of the Electrotechnical Laboratory. 1993 ; Vol. 57, No. 5-6. pp. 111-128.
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