Experimental evaluation on electrode conversion efficiency of alkali metal thermal to electric converter

研究成果: Article

1 被引用数 (Scopus)

抄録

The alkali metal thermal to electric converter (AMTEC) system which utlizes the sodium ion conductivity of beta"-alumina solid electrolyte (BASE) is expected to have high conversion efficiency above 30% including practical heat loss. However, the achieved experimental efficiency- have been around 15%. In this paper, current-voltage characteristics and heat and mass transfer processes on a single cell have been examined experimentally and thermal electrode conversion efficiency has been discussed. Measured electrode conversion efficiency without thermal losses showed that it was about 40% at a power density of 0.3 W/cm2 A theoretical analysis on the thermal losses has also been conducted and these losses are estimated 0.3 W/cm2 in a practical tube type cell, so it is obtained that the actual cell system efficiency of 30% will be expected.

元の言語English
ページ数1
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
65
発行部数629
DOI
出版物ステータスPublished - 1999 1 1
外部発表Yes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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