World of Solar Cells

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (10 October 2022) | Viewed by 1496

Special Issue Editor


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Guest Editor
Institute for Solar Energy Research Hamelin (ISFH), Emmerthal, Germany
Interests: Si surface passivation; solar cell analytics; machine learning

Special Issue Information

Dear Colleagues,

This Special Issue is dedicated to the manifold world of solar cells, their structural design, the essential process development, and the final device characterization.

By looking back to the 80s of the last century, many fundamentals were created and influence the solar cell research even today, e.g., the work on passivated emitter concepts and the principles of highly injected silicon solar cells. Although solar energy has become the cheapest source of energy nowadays, solar cell development is still a very active field of research that aims to meet the ongoing ambitions to increase the conversion efficiency by keeping the processing costs low.

Consequently, many new concepts are developed which rely on vital material research activities and lead to the introduction of the passivated contact concept and for mass production tandem solar cells. The concept research is accompanied by an essential material and process development, as well as the adaption of more advanced characterization techniques which aim to identify limiting factors, such as degradation and mitigation routes.

This Special Issue welcomes work that provides insights into industrial-feasible solar cell concepts, new material developments, and new characterization and modelling approaches. Modelling also includes the adaption of machine learning techniques that emerge during the last few years due to the increasing amount of monitored data in solar cell production and field installations.

Dr. Stefan Bordihn
Guest Editor

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Keywords

  • solar cell concept development
  • process improvement and integration
  • material and device degradation
  • characterization and modelling

Published Papers (1 paper)

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Research

18 pages, 2994 KiB  
Article
Numerical Investigation of Thermal Efficiency of a Solar Cell
by Emaad Ansari, Mohammad Nishat Akhtar, Wan Amir Fuad Wajdi Othman, Elmi Abu Bakar and S. S. N. Alhady
Appl. Sci. 2022, 12(21), 10887; https://doi.org/10.3390/app122110887 - 27 Oct 2022
Cited by 2 | Viewed by 1190
Abstract
Solar air and water heaters are beneficial in many countries across the globe where solar radiation is massive in the daytime. As the surface temperature of the photovoltaic cell increases, the efficiency of the cell scales down. We carried out the cooling of [...] Read more.
Solar air and water heaters are beneficial in many countries across the globe where solar radiation is massive in the daytime. As the surface temperature of the photovoltaic cell increases, the efficiency of the cell scales down. We carried out the cooling of solar panels in order to maximize their efficiency. In the present work, we examined the dependence of the inlet boundary condition on the area average temperature at the outlet of the tube. The tube comprises a square cross-section and carries three folds in order to maximize the area in contact with a solar panel. We investigated the dependency of thermal efficiency of solar panels on inlet boundary conditions and observed that with the increase in Reynolds number, i.e., velocity at the inlet, the thermal efficiency initially increases up to Re = 700 and then remains constant at 94%. We also found that when 40% of the heat input was carried away by cooling water, 20% electrical efficiency was achieved. Full article
(This article belongs to the Special Issue World of Solar Cells)
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