铝后接触对PERC太阳能电池后表面场形成的影响

2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI:10.1109/PVSC.2018.8548141

Yu-Hsuan Lin, Sung-Yu Chen, Li-Yu Li, Shih-Peng Hsu, C. Du

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引用次数: 3

摘要

本文在p型钝化发射极和后电池(PERC)上展示了不同宽度栅格和全面积铝后接触。我们分析了PERC电池的后接触和后表面场的形成。与全面积Al层相比，栅格Al层减少了Al- si共晶层中的空洞数量。当采用局部栅极接触时，PERC+太阳能电池的开路电压(${V}_{{oc}}}$)和短电流密度(${J}_{{sc}}$)最高可达4 mV，接近0.19 mA/cm2。

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Influences of Aluminum Rear Contact and Back Surface Field Formation for PERC Solar Cells

In this paper, we demonstrate the aluminum rear contact with different widths grid and full-area on the p-type passivated emitter and rear cells (PERC). We analysis the rear contact and back surface field (BSF) formation on PERC cells. We observe a reduced number of voids in the Al-Si eutectic layer by using grid Al, compared with full-area Al layer. The open-circuit voltage (${V}_{{oc}}$) and short current density (${J}_{{sc}}$) of PERC+ solar cells improve up to 4 mV and near 0.19 mA/cm2 when using local grid contact.

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来源期刊

2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)

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