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| Formato: | Recurso digital |
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| Publicado: |
Zenodo
2024
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| Acceso en línea: | https://doi.org/10.5281/zenodo.11058592 |
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- <p>In this work, different design variables are analyzed by means of simulations to evaluate their <br>final impact on the efficiency of a thermophotovoltaic cell. Starting from a conceptual predesign and with some variables fixed by technological limits, the simulations will focus on the <br>sensitivity with respect to critical aspects that differentiate thermophotovoltaics from common <br>photovoltaics, such as the reflection of sub-bandgap radiation back to the emitter, the handling <br>of high current densities and the proximity to a very hot object with the possible harmful effects <br>that an increase in the operating temperature of the cell would entail. These cells to be <br>developed are framed in the design of a new latent heat storage technology with silicon as phase <br>change material. During the discharge phase the silicon goes from solid to liquid state and the <br>energy is extracted by a thermophotovoltaic module. The phase change of silicon occurs at <br>1410 °C, so the thermophotovoltaic cells are optimized for the radiation spectrum of a black <br>body at that temperature.</p>