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A Team of Scientists from the United Kingdom, Portugal and Brazil Managed to Increase the Absorption of Solar Energy Cells and Make Them Even Thinner.
The importance of this research that the scientists discovered for the solar energy sector is that it allows for the use of much thinner slices of photovoltaic silicon to produce the same amount of electricity as the thicker silicon cells used in the production of solar panels today.
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Greater Absorption in Solar Energy Cells and Lower Price in Solar Panels, According to Scientists
One of the scientists, Dr. Christian Schuster from the Department of Physics at the University of York, says: “We found a simple trick to increase the absorption of thin solar cells.” The team’s investigations show that the idea actually rivals the enhancement of absorption from more sophisticated designs while absorbing more light deeper in the plane and less light near the surface structure itself.
“Our design rule for solar panels addresses all relevant aspects of light trapping for solar energy cells, paving the way for simple, practical yet excellent diffractive structures, with a potential impact beyond photonic applications.” According to the team of scientists, this design offers the potential to further integrate solar energy cells into thinner and flexible materials, thereby creating more opportunities to use solar energy in more products and possibly make solar panels cheaper.
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Advancement in renewable energy: A R$ 150 million project launched by Petrobras and Finep aims to create state-of-the-art electrolyzers for green hydrogen, strengthening national research and preparing Brazil to compete in a billion-dollar energy market.
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Illiterate or semi-literate grandmothers were trained to repair solar systems, open rural workshops, and light up homes that still depended on kerosene.
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The world has bet on green hydrogen as the fuel of the future, but now faces the side effect: producing 1 kilogram requires about 9 liters of ultrapure water, and the largest projects on the planet are precisely in the driest regions of the Earth, where water is already scarce for people.
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Africa has about 500,000 cell towers and most still burn diesel to operate, while companies rush to cover antennas with solar energy and avoid signal blackouts.
“In principle, our team of scientists would deploy ten times more solar energy with the same amount of absorbing material. Ten times thinner solar energy cells could allow for rapid expansion of photovoltaic energy, increase solar electricity production, and significantly reduce our carbon footprint. In fact, the team of scientists claims that since refining silicon raw material is an energy-intensive process, ten times thinner silicon cells would not only reduce the need for refineries but also cost less, thus strengthening our transition to a greener economy.”
The Solar Energy Market and the Sales of Solar Panels in Brazil
Data from the Department of Business, Energy and Industrial Strategy shows that renewable energy – including solar energy – represented 47% of electricity generation in Brazil, Portugal and the United Kingdom in the first three months of 2020.
With this research, solar energy and solar panels are significantly influenced, as cheaper materials will be used for the production of solar panels.
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