Optimum operation states and parametric selection criteria of an updated alkali metal thermal electric converter. (15th July 2018)

• Record Type: Journal Article
• Authors: Peng, Wanli; Zhang, Xin; Ye, Zhuolin; Chen, Jincan
• Is Part Of: Energy conversion and management. Volume 168(2018)
• Page Start: 230
• Page End: 236
• Publication Date: 2018-07-15
• Subjects: Alkali metal thermal electric converter -- Electrolyte thickness -- Performance evaluation -- Optimum operation state -- Parametric selection criterion; Direct energy conversion -- Periodicals; Energy storage -- Periodicals; Energy transfer -- Periodicals; Énergie -- Conversion directe -- Périodiques; Direct energy conversion; Periodicals; 621.3105
• DOI: 10.1016/j.enconman.2018.05.005
• Languages: English
• ISSNs: 0196-8904

Abstract

Highlights: The cycle model of an alkali metal thermal electric converter is updated. The relation between the voltage output and the electrolyte thickness is derived. Calculative results can reasonably reproduce some earlier experimental data. The maximum power output density and efficiency are calculated. The optimum selection criteria of main parameters are provided. Abstract: The cycle model of an alkali metal thermal electric converter (AMTEC) is updated, where the relation between the thickness of the electrolyte and the other parameters of the AMTEC is established. The effects of thickness of the electrolyte on the performance of the AMTEC are discussed. The operation states of the AMTEC are optimized. The maximum efficiency and power output density of the AMTEC are calculated. The selective criteria of the thickness of the electrolyte and other parameters are optimally provided. Moreover, it is expounded that the proportional coefficient related to the thickness of the electrolyte is closely dependent on electrolyte materials. The effects of this coefficient on the efficiency and power output density of the AMTEC are further discussed, and consequently, the rational range of the coefficient is determined.