分析可见光至近红外区域太阳能热光电池的超宽带 TiN 基元表面吸收器

IF 6 2区 工程技术 Q2 ENERGY & FUELS
Mohammad Ashraful Haque, Abu S.M. Mohsin, Mohammed Belal Hossain Bhuian, Md Mosaddequr Rahman
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引用次数: 0

摘要

太阳能光热发电(STPV)是太阳能电池的新一代技术,通过先进的光热工艺实现更高的效率和更好的性能。由于其卓越的光热转换效率,它们可以超越肖克利-奎塞尔极限。吸收器是整个系统效率的关键部件。在本文中,我们提出了一种基于 TiN 的超表面吸收器 (MA),这种吸收器能够在高温下工作,并具有卓越的效率。我们使用有限差分时域 (FDTD) 方法对该结构进行了数值研究。我们的分析表明,超表面吸收器在 200-1733.5 nm 波长范围内可吸收 90% 以上的辐射,在 719.7 - 1371 nm 波长范围内可达到接近完美的吸收率(99.5% 以上),适合太阳能电池应用。此外,MA 还能发出选择性辐射,可用作超表面发射器(ME)。在 1900 K 的温度下,它的最大光热效率可达 80%。这项研究的发现为在可见光到近红外区域开发经济、可靠、稳定、高效的太阳能光热发电电池开辟了一条新途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of an ultra-broadband TiN-based metasurface absorber for solar thermophotovoltaic cell in the visible to near infrared region
Solar thermophotovoltaic (STPV) represents next-generation technology for solar cells, enabling higher efficiency and better performance through advanced photothermal processes. They can surpass the Shockley–Queisser limit due to their superior photothermal conversion efficiency. The absorber is a crucial component on which the efficiency of the entire system depends. In this article, we have proposed a TiN-based metasurface absorber (MA) which is capable of operating at high temperatures with superior efficiency. We have numerically investigated the structure using the Finite Difference Time Domain (FDTD) method. Our analysis suggests that the MA can absorb more than 90% radiation in the 200–1733.5 nm range and achieves near-perfect absorbance (more than 99.5%) in the 719.7 - 1371 nm range which is suitable for solar cell applications. Moreover, the MA also emits selective radiation and works as a metasurface emitter (ME). It achieves a maximum photothermal efficiency of 80% at 1900 K temperature. The findings of this study opens a new avenue for the development of cost effective, reliable and stable, highly efficient solar thermophotovoltaic cells in the visible to near infrared region.
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来源期刊
Solar Energy
Solar Energy 工程技术-能源与燃料
CiteScore
13.90
自引率
9.00%
发文量
0
审稿时长
47 days
期刊介绍: Solar Energy welcomes manuscripts presenting information not previously published in journals on any aspect of solar energy research, development, application, measurement or policy. The term "solar energy" in this context includes the indirect uses such as wind energy and biomass
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