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首页> 外文会议>Nonimaging optics: Efficient design for illumination and solar concentration VIII >Free-form Fresnel RXI-RR Kohler design for high-concentration photovoltaics with spectrum-splitting
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Free-form Fresnel RXI-RR Kohler design for high-concentration photovoltaics with spectrum-splitting

机译：自由形式的菲涅尔RXI-RR Kohler设计，用于具有光谱分离功能的高浓度光伏电池

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摘要

Development of a novel HCPV nonimaging concentrator with high concentration (>500x) and built-in spectrum splitting concept is presented. It uses the combination of a commercial concentration GaInP/GaInAs/Ge 3J cell and a concentration Back-Point-Contact (BPC) silicon cell for efficient spectral utilization, and external confinement techniques for recovering the 3J cell's reflection. The primary optical element (POE) is a flat Fresnel lens and the secondary optical element (SOE) is a free-form RXI-type concentrator with a band-pass filter embedded in it - Both the POE and SOE performing Koehler integration to produce light homogenization on the receiver. The band-pass filter transmits the IR photons in the 900-1200 nm band to the silicon cell. A design target of an "equivalent" cell efficiency ～46% is predicted using commercial 39% 3J and 26% Si cells. A projected CPV module efficiency of greater than 38% is achievable at a concentration level larger than 500X with a wide acceptance angle of ±1°. A first proof-of concept receiver prototype has been manufactured using a simpler optical architecture (with a lower concentration, ～100x and lower simulated added efficiency), and experimental measurements have shown up to 39.8% 4J receiver efficiency using a 3J cell with a peak efficiency of 36.9%.
机译：提出了一种新型的高浓度（> 500x）的HCPV非成像聚光器的开发，该聚光器具有内置的频谱分割概念。它结合了商业浓度的GaInP / GaInAs / Ge 3J电池和浓度的Back-Point-Contact（BPC）硅电池，以有效地利用光谱，并采用外部限制技术来恢复3J电池的反射。主光学元件（POE）是平的菲涅耳透镜，次光学元件（SOE）是嵌入了带通滤波器的自由形式RXI型聚光器-POE和SOE都执行Koehler集成以产生光接收器上的均质化。带通滤光片将900-1200 nm波段的IR光子传输到硅电池。使用39％的3J商业电池和26％的Si电池可预测“等效”电池效率约为46％的设计目标。在浓度水平大于500X且接受角为±1°的情况下，预计CPV模块的效率可达到38％以上。使用更简单的光学架构（具有更低的浓度，约100倍和更低的模拟附加效率）制造了第一个概念验证的接收器原型，并且实验测量表明，使用带有峰值的3J电池，高达49.8％的4J接收器效率效率为36.9％。

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  • 来源
  • 会议地点 San Diego CA(US)
  • 作者

    M. Buljan; P. Benitez; R. Mohedano; J.C. Minano; Y. Sun; W. Falicoff; J. Vilaplana; J. Chaves; G. Biot; J. Lopez;

  • 作者单位

    Universidad Politecnica de Madrid (UPM) CeDInt, Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain;

    Universidad Politecnica de Madrid (UPM) CeDInt, Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain LPI-LLC, 2400 Lincoln Ave., Altadena, CA 91001;

    LPI Europe, S.L., Edif. CeDInt Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain;

    Universidad Politecnica de Madrid (UPM) CeDInt, Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain LPI-LLC, 2400 Lincoln Ave., Altadena, CA 91001;

    LPI-LLC, 2400 Lincoln Ave., Altadena, CA 91001;

    LPI-LLC, 2400 Lincoln Ave., Altadena, CA 91001;

    LPI Europe, S.L., Edif. CeDInt Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain;

    LPI Europe, S.L., Edif. CeDInt Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain;

    Universidad Politecnica de Madrid (UPM) CeDInt, Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain;

    Universidad Politecnica de Madrid (UPM) CeDInt, Campus Montegancedo UPM 28223 Pozuelo, Madrid, Spain;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 电气照明;
  • 关键词

    concentrator; spectrum splitting; high concentration; koehler integration;

    机译：选矿厂频谱分裂高浓度科勒集成;

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