Progress in experimental research on flexible solar cells for near space application
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摘要:
太阳电池是临近空间飞行平台理想的电源，柔性太阳电池因其较高的功质比得到越来越多的重视。分析不同种类太阳电池组件封装材料构成对电池面密度的影响，并计算柔性薄膜太阳电池组件不同转换效率对应的功质比；回顾柔性硅太阳电池、柔性铜铟镓硒太阳电池、柔性碲化镉太阳电池和柔性钙钛矿太阳电池研究进展；介绍每种柔性太阳电池所用基底材料、制备方法和效率制约因素等；介绍钙钛矿太阳电池在临近空间环境下的试验研究进展，指出柔性钙钛矿太阳电池下一步的研究方向。研究表明：由于柔性钙钛矿太阳电池具有较高的功质比，其是最具有临近空间应用潜力的柔性太阳电池。
Abstract:Solar cells are an ideal power supply solution for near-space flight platforms. Flexible solar cells, particularly, have attracted increasing attention due to their high specific power. In this paper, the influence of different types of solar cell module encapsulation materials on the areal density was analyzed first, and the specific power of flexible thin-film solar modules at different conversion efficiencies was calculated. The paper then reviewed the research advances in flexible solar cells, including flexible silicon, flexible copper indium gallium selenium, flexible cadmium telluride, and flexible perovskite solar cells. The substrate materials, fabrication methods, and efficiency constraints of each flexible solar cell were introduced in detail. In addition, the paper presented the research progress on perovskite solar cells in near-space environments and pointed out future research directions for flexible perovskite solar cells.Studies have shown that flexible perovskite solar cells are the most promising candidates for near-space applications due to their high power-to-weight ratio.
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Key words:
- near space /
- flexible solar cell /
- power-to-weight ratio /
- thin-film solar cell /
- perovskite
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图 3 柔性铜铟镓硒太阳电池结构
Figure 3. Structure of flexible copper indium gallium selenium solar cell
图 4 金属衬底柔性碲化镉太阳电池结构
Figure 4. Structure of flexible cadmium telluride solar cell on metal substrate
图 5 塑料衬底柔性碲化镉太阳电池结构
Figure 5. Structure of flexible cadmium telluride solar cell on plastic substrate
表 1 柔性太阳电池组件效率及对应的功质比
Table 1. Flexible solar cell efficiency and power-to-weight ratio
柔性太阳电池
组件效率/%150 μm不锈钢基底
柔性组件功质比/(W·kg−1)塑料基底柔性
组件功质比/(W·kg−1)15 47 682 18 56 818 20 63 909 22 69 1000 
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