The research group led by Professor Martin Green has not yet published version 67 of the solar cell efficiency tables due to production delays. However, Green has accepted to comment on some of the results that will be added in the upcoming edition.
Professor Martin Green from the University of New South Wales (UNSW) in Australia has revealed that version 67 of the “Solar Cell Efficiency Tables” will not be published in January. Progress in photovoltaics as planned.
“The change is due to production delays that have prevented the January issue of the magazine from being published,” Green said pv magazine. “However, the tables have been completed and contain some interesting results and we hope to publish them in the February issue.”
The group presented 17 new efficiency results.
One of the most representative is a 27.9% efficient interdigitated-back-contact (IBC) device developed by Chinese manufacturer Longi, which was validated by the German Institute for Solar Energy Research (ISFH). “This is a new record for a silicon cell. Although measured with masked cell edges, the efficiency drops only marginally to 27.7% when unmasked and measured on a total cell area basis,” said Green.
In addition, the list includes a 12.9% efficient kesterite mini module manufactured by the Institute of Physics, Chinese Academy of Sciences and verified by the Chinese National Photovoltaic Industry Measurement and Testing Center (NPVM). “This documents the steady progress being made with this technology,” Green added.
In addition, the research team included a 22.9% efficient 756 cm2 perovskite sub-module with 45 cells serially manufactured by Mellow Energy in collaboration with Jinan University, which was also certified by NPVM.
“Other results include two new results for silicon/perovskite tandem cells with Longi producing cells with efficiencies of 34-35% for both small and large devices,” said Green.
In version 66 of the tables, the team presented 21 new results, including the then record efficiency of 27.81% achieved by Chinese manufacturer Longi for its hybrid crystalline silicon solar cell (HIBC).
In version 65, the researchers added 17 new results. The group has seen major improvements in all cell categories since 1993, when the tables were first published.
The research group consists of scientists from the European Commission’s Joint Research Center, Germany’s Fraunhofer Institute for Solar Energy Systems and the Institute for Solar Energy Research (ISFH), Japan’s National Institute of Advanced Industrial Science and Technology and the US National Renewable Energy Laboratory.
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