A British-German research team claims that organic PV technologies may become mature enough to compete with crystalline silicon and thin-film products not only in BIPV, but also in power generation in the electricity market. In order to get there, however, organic PV products will have to achieve higher efficiencies.
According to its creator, Swedish start-up Evolar, the new technology can be applied to existing production lines for crystalline silicon modules and increase a product’s efficiency by around 5%.
Indian researchers have created a hybrid salp swarm algorithm to optimize MPPT tracking in PV systems under partial shading conditions. It is based on the swarming behavior of salps in the ocean.
An international research team has analyzed all existing cooling technologies for PV panels and has indicated the current best options and future trends of research. According to its findings, active water cooling, although expensive and not particularly practical, is the most effective cooling technique while passive cooling systems, despite being easy to apply, have still limited possibilities.
The global newly installed PV capacity for this year would be around 115 GW–5% more than that of 2019 despite the Covid-19 crisis. India will add just 4.9 GW due to strong Covid measures taken.
Although the Wiki-Solar website ranking only provides a snapshot of PV project engineering, procurement and construction contracts outside of China, it is nevertheless a useful indicator of the changing global solar market landscape. Swinerton was the largest solar EPC contractor outside China in 2019. Of the top 11 companies, three are based in India, three in the United States, another three in Spain and two in the United States.
The 18-meter long solar cell-clad trailer is said to enable fuel savings of 5-10% in Sweden. Swedish thin-film manufacturer Midsummer is a partner on the project.
The U.S. based researchers have developed a new wide-bandgap perovskite layer – called Apex Flex – which they claim is able to withstand heat, light, and operational tests, and at the same time provide a reliable and high voltage. With this material, they built tandem solar cells with 23.1% power conversion efficiency on a rigid substrate, and 21.3% on flexible plastic.
Researchers in South Korea have used the process to increase performance and the replicability of large-area organic cells. The method was used during film formation to speed up solvent evaporation.
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