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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Performance improvements and parametric design strategies of an updated thermionic-photovoltaic converter
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Performance improvements and parametric design strategies of an updated thermionic-photovoltaic converter

机译：更新的热离子光伏转换器的性能改进和参数设计策略

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摘要

A novel model of the hybrid converter consisting of a thermionic generator with a graphene-based anode and a photovoltaic (PV) cell is proposed. The power output densities and efficiencies of two single subsystems and the hybrid converter are derived. The effects of the emitter temperature, voltage outputs, and band gap energy on the performance of the hybrid converter are analyzed. The optimally operating bounds of several critical parameters including the power output density, efficiency, and voltage outputs of the hybrid converter are determined. It is found that in the optimally working region, the performance of the hybrid converter with a graphene-based anode is obviously better than that with a metallic anode. It is also found that in a certain temperature range, the maximum efficiency and power output density of the hybrid converter significantly exceed those of the thermionic generator or PV cell.
机译：提出了一种具有具有石墨烯阳极和光伏（PV）电池的热离子发生器组成的混合转换器的新型模型。 推导出两个单个子系统和混合转换器的功率输出密度和效率。 分析了发射极温度，电压输出和带隙能量对混合转换器性能的影响。 确定包括电力转换器的功率输出密度，效率和电压输出的几个关键参数的最佳操作界限。 结果发现，在最佳工作区域中，混合转换器具有基于石墨烯的阳极的性能显着优于金属阳极。 还发现，在一定的温度范围内，混合转换器的最大效率和功率输出密度显着超过了热发生器或光伏电池的功率。

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