Thermophotovoltaic conversion efficiency measurement at high view factors

التفاصيل البيبلوغرافية
العنوان: Thermophotovoltaic conversion efficiency measurement at high view factors
المؤلفون: Esther López, Irene Artacho, Alejandro Datas
بيانات النشر: arXiv, 2022.
سنة النشر: 2022
مصطلحات موضوعية: Renewable Energy, Sustainability and the Environment, FOS: Physical sciences, Physics - Applied Physics, Applied Physics (physics.app-ph), Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials
الوصف: A standardized method for measuring thermophotovoltaic (TPV) efficiency has not been yet established, which makes the reported results difficult to compare. Besides, most of the TPV efficiencies reported to date have been obtained using small view factors, i.e., large cell-to-emitter distances, so the impact of the series resistance is usually underestimated, and the optical cavity effects, i.e., the multiple reflections taking place between the emitter and the cell, are not accounted for experimentally. In this work, we present an experimental setup able to measure the TPV efficiency under high view factors (up to 0.98), by using small emitter-to-cell distances (< 1 mm). This allows a more accurate direct measurement of the TPV efficiency at higher power densities than previous works. As a result, a TPV efficiency of 26.4+-0.1 % and a power density of 4.3+-0.8 W/cm2 have been obtained for an InGaAs TPV cell with a back surface reflector irradiated by a graphite thermal emitter at 1592 C.
DOI: 10.48550/arxiv.2211.01262
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea946d901ed23ed6908d71af09113ef5
Rights: OPEN
رقم الانضمام: edsair.doi.dedup.....ea946d901ed23ed6908d71af09113ef5
قاعدة البيانات: OpenAIRE
الوصف
DOI:10.48550/arxiv.2211.01262