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首页> 外文期刊>Bulletin of the American Physical Society >APS -APS March Meeting 2017 - Event - Transmissive concentrator multijunction solar cells with 47{%} in-band efficiency for a hybrid photovoltaic-solar thermal system
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APS -APS March Meeting 2017 - Event - Transmissive concentrator multijunction solar cells with 47{%} in-band efficiency for a hybrid photovoltaic-solar thermal system

机译：APS -APS 2017年3月会议-活动-混合式光伏太阳能系统的带内效率为47 {％}的透射式聚光多结太阳能电池

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摘要

Transmissive concentrator multijunction (TCMJ) solar cells with over 47{%} in-band power conversion efficiency (PCE) have been demonstrated. The illuminated I-V test under concentrated 500-sun solar spectra have shown that the PCE of the TCMJ solar cells for in-band light (photon energy above the cell's lowest bandgap) can reach up to 47.6{%} (29.5{%} for the full solar spectrum). Temperature coefficients of several parameters (open circuit voltage, short circuit current, fill factor) have been derived under 1 sun and 500 suns, showing linear variations versus temperature change. Optical measurements indicate that the cells show 76.5{%} solar-weighted optical transmission for the out-of-band light (photon energy below the cell's lowest bandgap). This TCMJ solar cell exhibits promising spectrum splitting capability, which has potential for use in hybrid photovoltaic-solar thermal energy conversion systems.
机译：已证明具有超过47 {％}的带内功率转换效率（PCE）的透射式聚光多结（TCMJ）太阳能电池。在集中的500太阳光谱下进行的IV照明测试表明，TCMJ太阳能电池的带内光（光子能量高于其最低带隙）的PCE可以达到47.6 {％}（29.5 {％}）以获得完整的太阳光谱）。在1个太阳和500个太阳下得出了几个参数（开路电压，短路电流，填充系数）的温度系数，显示了温度变化的线性变化。光学测量表明，对于带外光（光子能量低于该单元的最低带隙），该单元显示了76.5 {％}的太阳能加权光透射率。该TCMJ太阳能电池展现出令人鼓舞的光谱分裂能力，具有在混合光伏-太阳能热能转换系统中使用的潜力。

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