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Numerical Modeling and Performance Enhancement of Interdigitated Back Contact (IBC) Photovoltaic Cells
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Keywords
Interdigitated Back Contact
Photovoltaic Cells
Numerical Modeling
Performance Optimization
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Abstract
Interdigitated Back Contact (IBC) photovoltaic (PV) cells represent an advanced architecture designed to improve conversion efficiency by relocating both the emitter and the contact electrodes to the rear surface, thus minimizing optical losses and shading effects. This study presents a comprehensive numerical modeling framework to simulate the electrical and thermal behavior of IBC PV cells under varying operational conditions. Performance enhancement strategies, including optimization of contact geometry, passivation layers, and back-surface recombination control, are evaluated through simulation. The model integrates hybrid control methodologies inspired by bio-inspired algorithms and predictive control principles, allowing improved energy yield and stability in partially shaded or non-uniform irradiance conditions. Results indicate a significant increase in photocurrent density and open-circuit voltage while reducing recombination losses, highlighting the potential of computationally driven design optimization for high-efficiency PV devices. Implications for large-scale deployment, limitations of numerical assumptions, and recommendations for future research are discusse
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