Experimental Study of Output Characteristics of Triple-junction GaAs Cells under High-powered Concentrator

Li Ding-chang; Huang Jin; Lin Wei-jie; Xie Ze-yang

doi:10.3969/j.issn.1007-7162.2015.04.005

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Experimental Study of Output Characteristics of Triple-junction GaAs Cells under High-powered Concentrator

更新时间：2026-05-27

- Experimental Study of Output Characteristics of Triple-junction GaAs Cells under High-powered Concentrator
- Vol. 32, Issue 4, Pages: 25-29(2015)
- 作者机构：
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- DOI：10.3969/j.issn.1007-7162.2015.04.005
  CLC：
- Online First：04 December 2015，
  
  Published：2015
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李定昌, 黄金, 林伟杰, 谢泽扬. 高倍聚光下三结砷化镓电池输出特性实验研究[J]. 广东工业大学学报, 2015, 32(4): 25-29.

Li Ding-chang, Huang Jin, Lin Wei-jie, et al. Experimental Study of Output Characteristics of Triple-junction GaAs Cells under High-powered Concentrator[J]. 2015, 32(4): 25-29.
李定昌, 黄金, 林伟杰, 谢泽扬. 高倍聚光下三结砷化镓电池输出特性实验研究[J]. 广东工业大学学报, 2015, 32(4): 25-29. DOI： 10.3969/j.issn.1007-7162.2015.04.005.

Li Ding-chang, Huang Jin, Lin Wei-jie, et al. Experimental Study of Output Characteristics of Triple-junction GaAs Cells under High-powered Concentrator[J]. 2015, 32(4): 25-29. DOI： 10.3969/j.issn.1007-7162.2015.04.005.

摘要

目前对高倍聚光系统下砷化镓电池性能的实验研究主要是基于室内模拟光源条件下进行的，对室外条件下的研究相对较少.设计并搭建了一小型菲涅尔聚光光伏系统，介绍了系统结构及其工作原理，并对其进行了室外实验研究.实验结果表明：当菲涅尔聚光光伏系统几何聚光比为500，13：00太阳辐射强度达到峰值948 W/m

时，聚光后单片电池的短路电流放大253倍，开路电压增加了0.34 V，电池背板温度为86.6 ℃，短路电流此时达到峰值，开路电压由于芯片温度升高影响并未达到峰值，峰值出现在10：30时，峰值为2.85 V，比太阳辐射强度达到峰值时的开路电压增加了0.03 V，此时电池背板温度为74.4 ℃.

Abstract

Presently the researches on performance of GaAs solar cell using high concentrators have mainly been conducted under the condition of indoor simulating light source. However

there are few studies conducted in outdoor conditions. In this article

a small-scale Fresnel concentrating system is designed and built for experiment. Then

the system’s compositions as well as operating principles are introduced. According to the result

the geometric concentrating ratio is 500 and the radiation peak value reaches 948 W/m

at 13:00. The value of short-circuit current of a single solar cell is magnified to 253 times by using the concentrator while the value of open-circuit voltage increases by 0.34 V and the temperature of the solar cell’s back is 86.6 ℃. When shor

tcircuit gets the peak value

open-circuit voltage can not reach the peak value for the increase of chip’s temperature. The peak value occurs at 10：30 am and its value is 2.85 V. The open-circuit voltage has 0.03 V more than the value of radiation at peak. In this case

the temperature of the solar cell’s back reaches 74.4 ℃.

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