RESEARCH ON DECAY CHARACTERISTICS OF BIFACIALp-TYPE PERC SOLAR CELL AND OPTIMIZATION OF ULTRAVIOLET IRRADIATING STABILITY

Ren Lili; Chen Keqin; Chen Cheng; Shen Canjun; Liu Songmin

doi:10.19912/j.0254-0096.tynxb.2020-0935

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (5) : 167-172. DOI: 10.19912/j.0254-0096.tynxb.2020-0935

RESEARCH ON DECAY CHARACTERISTICS OF BIFACIALp-TYPE PERC SOLAR CELL AND OPTIMIZATION OF ULTRAVIOLET IRRADIATING STABILITY

Ren Lili¹, Chen Keqin², Chen Cheng², Shen Canjun², Liu Songmin^1,2

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Abstract

Decay characteristics of high efficiency bifacial p-type PERC solar cell with different doping elements are investigated. Under ultraviolet ray irradiation, efficiency of Gallium-doped and Boron-doped double-side PERC solar cell decays. Decay of backside efficiency due to the decay of Isc while the decay of front side due to the decay of FF. Uoc is consistent under ultraviolet ray irradiation. Decay of backside is related with the increase of refractive index of refractive index and the front side decay is related with the increase of serial resistance. By increasing the thickness of refractive index, resistance UV irradiating stability is improved. Backside decay of optimized cell is 0.04% under ultraviolet ray irradiation with 15 kWh/m² and front side decay reduced by 0.32% in comparison with original solar cell. This illustrates the Gallium-doped double-side Perc solar cell has potential stability under outdoor illumination.

Key words

bifacial PERC solar cells / ultraviolet radiation / decay percentage / electrical property / high stability

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Ren Lili, Chen Keqin, Chen Cheng, Shen Canjun, Liu Songmin. RESEARCH ON DECAY CHARACTERISTICS OF BIFACIALp-TYPE PERC SOLAR CELL AND OPTIMIZATION OF ULTRAVIOLET IRRADIATING STABILITY[J]. Acta Energiae Solaris Sinica. 2022, 43(5): 167-172 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0935

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