为了研究柔性太阳能电池的性能, 通过太阳能电池减薄工艺制备出轻质柔性GaInP/Ga(In)As/Ge三结太阳能电池芯片。尺寸为40 mm×60 mm的电池芯片重量为0.7 g, 仅为常规175 μm厚度电池重量的30%。验证了柔性电池工艺的可行性, 制得的柔性电池转换效率达到了30.64%, 同常规厚度电池十分接近。对比测试了两种样品不同温度下的暗电流曲线, 拟合了两种电池样品的温度系数, 结果表明: 电池的温度系数与衬底类型无关, 只与电池PN结本身相关。
空间太阳电池 柔性太阳电池 温度系数 space solar cell flexible solar cell temperature coefficient
Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou 362021, China
Frontiers of Optoelectronics
2011, 4(1): 108
1 Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong, China
2 Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
Frontiers of Optoelectronics
2011, 4(1): 24
