ELECTRICA

PROJECTED PERFORMANCE OF InXGa1-X N-BASED MULTI-JUNCTION SOLAR CELLS

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Department of Electrical & Electronic Engineering Khulna University of Engineering & Technology Khulna-9203, Bangladesh

ELECTRICA 2006; 6: 251-255
Read: 659 Downloads: 473 Published: 25 December 2019

This paper reports the theoretical design and projected the performance of InxGa1-xN MJ solar cells for high efficiency. The design and performance evaluation are made by developing a simulation model which optimizes the design of MJ solar cells for high efficiency. The efficiency was optimized by optimizing the band gap and n-side thickness of different cells while keeping the current mismatch between different cells below 0.2%. The efficiency is found to be varied from 24.94% for single junction to 45.22% for six junctions. Further increase of junction does not significantly increase the efficiency. Use of concentrator increases the efficiency. The calculation of the photocurrent density and open circuit voltage of each junction has done under AM 1.5 and assumed that each junction absorbs the solar photons that are not absorbed by the preceding one.

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EISSN 2619-9831