Panasonic Corporation has achieved an energy conversion efficiency of 16.09% for a perovskite solar module (Aperture area 802 cm2: 30 cm long x 30 cm wide x 2 mm thick) by developing lightweight technology using a glass substrate and a large-area coating method based on inkjet printing. This was carried out as part of the project of the New Energy and Industrial Technology Development Organization (NEDO), which is working on the “Development of Technologies to Reduce Power Generation Costs for High-Performance and High-Reliability Photovoltaic Power Generation” to promote the widespread adoption of solar power generation. This inkjet-based coating method that can cover a large area reduces manufacturing costs of modules. In addition, this large-area, lightweight, and high-conversion efficiency module allows for generating solar power highly efficiently at locations where conventional…
Scientists at Case Western Reserve University that have been experimenting with the use of small perovskite solar cells to help recharge the batteries of electric cars state that they have found a system that performs better than any other. They wired four perovskite solar cells in series to directly photo-charge lithium batteries with 7.8% efficiency.
The researchers say that they have found the right match between the solar cell and battery. The coupling appears to have outperformed all other reported pairings of photo-charging components and compatible batteries or supercapacitors. They have created cells with three layers converted into a single perovskite film and then wired four of the 1 mm square cells in series, achieving a solar-to-electric power conversion efficiency of 12.65%. When hooked up to charge small coin-sized lithium-ion batteries, the team achieved a conversion and storage efficiency of 7.8% and maintained it over a number of cycles.
The scientists’ vision is of a system that can be kept at home to refuel cars and, eventually, because perovskite solar cells can be made as a flexible film, they would be on the car itself. The advantage provided by the perovskite cells is that they allow recharging a battery without disrupting the styling of a car too much, unlike large solar panels more commonly associated with solar powered cars.
EcomentoPerovskite applicationsElectric carsPerovskite SolarTechnical / research
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Researchers from Australia’s ARC Center of Excellence in Exciton Science, Monash University, Wuhan University of Technology and CSIRO Energy have shown how critical imperfections invisible to the naked eye can be detected by shining blue light onto the cells and recording the infrared light that bounces back. Perovskite solar cells bathed in blue light, and responding in infrared. Credit: Exciton Science This “trick of the light” may help detect imperfections in perovskite solar cells, opening the door to improved quality control for commercial production. When attempting to scale up perovskite cells, performance often deteriorates due to nanoscale surface imperfections resulting from the way the materials are made. As the number of detects grows, the amount of solar power generated per square centimeter drops. Now,the Australian research team has come up…