Finding 10% hidden electricity in crystalline Si solar cells using PDMS coating and three‐dimensional cell arrays,Progress in Photovoltaics

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Finding 10% hidden electricity in crystalline Si solar cells using PDMS coating and three‐dimensional cell arrays
Progress in Photovoltaics ( IF 8.0 ) Pub Date : 2020-01-30 , DOI: 10.1002/pip.3246
Min Ju Yun ₁ , Yeon Hyang Sim _{1,

2} , Seung I. Cha _{1,

2} , Dong Yoon Lee _{1,

2}

Affiliation

Over the decades, solar cells have been developed to achieve higher energy conversion efficiency. However, the fabrication of modules has resulted in electricity production loss, but this has not attracted as much attention as the solar cells. As a result, the improved performance of solar cells has not been fully revealed at the panel scale. Furthermore, the standard testing conditions, such as 1 sun, AM1.5, which is very strong incident light, does not fully reflect the electricity production capabilities of solar panels because of performance degradation under oblique and weak illumination. Simple modification of the module fabrication process, including poly‐dimethylsiloxane (PDMS) coatings and three‐dimensional (3‐D) structured modules by one‐directional angled arrays of each cell, has revealed 13.4% extra hidden electricity in solar panels with some types of crystalline silicon (Si)‐based solar cells through high transmission to short wavelength light, recapture of the light reflected from Si solar cell surface textures by the PDMS coating and enhanced power production under oblique incident light or scattered light through a 3‐D module. Further studies to find hidden electricity should be followed by the development of solar cell device structures to improve electricity production, rather than being restricted to optimizing energy conversion efficiency.

中文翻译：

使用PDMS涂层和三维电池阵列在晶体硅太阳能电池中发现10％的隐藏电

几十年来，已经开发出太阳能电池以实现更高的能量转换效率。然而，模块的制造导致电力生产损失，但是这没有引起太阳能电池的关注。结果，在面板规模上还没有完全揭示出太阳能电池性能的改善。此外，由于倾斜和弱光下的性能下降，标准的测试条件（例如1个太阳，AM1.5）是非常强的入射光，不能完全反映太阳能电池板的发电能力。对模块制造过程的简单修改，包括通过每个单元的单向成角度阵列，包括聚二甲基硅氧烷（PDMS）涂层和三维（3D）结构化模块，发现了13。某些类型的基于晶体硅（Si）的太阳能电池通过高透射率至短波长光，通过PDMS涂层重新捕获Si太阳能电池表面纹理反射的光以及在倾斜状态下提高的发电能力，可使太阳能电池板中的隐藏电额外增加4％通过3D模块的入射光或散射光。在寻找隐藏电力的进一步研究之后，应该开发太阳能电池装置结构以改善电力生产，而不是局限于优化能量转换效率。通过PDMS涂层重新捕获从硅太阳能电池表面纹理反射的光，并通过3D模块在斜入射光或散射光下增强了发电能力。在寻找隐藏电力的进一步研究之后，应该开发太阳能电池装置结构以改善电力生产，而不是局限于优化能量转换效率。通过PDMS涂层重新捕获从硅太阳能电池表面纹理反射的光，并通过3D模块在斜入射光或散射光下增强了发电能力。在寻找隐藏电力的进一步研究之后，应该开发太阳能电池装置结构以改善电力生产，而不是局限于优化能量转换效率。

更新日期：2020-01-30

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