Células solares 20 vezes mais finas que um cabelo, eficiência de 20,1% e potência de 44 W/g

Solar Cells 20 Times Thinner Than a Hair, 20.1% Efficiency, and 44 W/g Power

Written by Noel Budeguer

Published on 18/07/2024 at 17:39

Explore a fronteira da tecnologia com células solares de perovskita quasi-2D. Leveza e alta eficiência de energia para aplicações futuristas em drones e mais

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Explore The Cutting Edge Of Technology With Quasi-2D Perovskite Solar Cells. Lightweight And High Energy Efficiency For Futuristic Applications In Drones And More

The world of aviation is undergoing a revolutionary transformation thanks to the development of sustainable technologies. Recently, researchers from Johannes Kepler University in Linz, Austria, made a significant step towards autonomous and eco-friendly aviation with the creation of ultra-light and flexible solar cells that could change the way we generate and use energy.

The researchers developed quasi-2D perovskite solar cells that are not only extremely lightweight but also offer an unprecedented power output of up to 44 watts per gram. Source: JKU

Cutting-Edge Technology In Solar Cells

At the Department of Soft Matter Physics and the LIT Soft Matter Laboratory, under the leadership of Prof. Martin Kaltenbrunner, and at the Linz Institute of Organic Solar Cells, led by Prof. Niyazi Serdar Sariciftci, a significant breakthrough has been achieved. The researchers developed quasi-2D perovskite solar cells that are not only extremely lightweight but also offer an unprecedented power output of up to 44 watts per gram, along with a comparatively high level of stability.

These solar cells, with a thickness of less than 2.5 micrometers—twenty times thinner than a human hair—demonstrate an impressive efficiency of 20.1% and a power density of 44 W/g. Their flexibility and lightness make them ideal for a variety of applications, from portable electronics to the Internet of Things, powering the next generation of self-sufficient energy systems.

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Solar-Powered Drones In Action

To demonstrate the capabilities of this new technology, the researchers equipped a palm-sized commercial quadcopter drone with these ultra-light solar cells. Seamlessly integrated into the drone’s structure, these cells account for only 1/400 of the total weight of the device.

This setup allowed the drone to operate autonomously and perform consecutive charge-fly-charge cycles without the need for recharging with cables, highlighting the efficiency and sustainability of the solar cells.

Beyond Our Planet

Perfectly integrated into the structure of the drone, these cells represent only 1/400 of the total weight of the device. Source: JKU

The potential of these technologies goes beyond Earth. Recently, the Mars helicopter “Ingenuity” demonstrated the importance of self-sufficient solar aviation by being the first aircraft to be launched from Earth and land on another planet. Future applications may include search and rescue operations, large-scale mapping, solar power generation in space, and exploration of the solar system.

The development of quasi-2D perovskite solar cells not only marks a milestone in photovoltaic technology but also demonstrates a commitment to sustainable innovation in aviation. Published in the journal Nature Energy, this study reflects not only a technical advancement but also aligns science with global efforts for a greener and more sustainable future. As these technologies develop and improve, the dream of fully self-sufficient and environmentally friendly aviation comes closer to reality.

Source: www.jku.at

Solar Cells 20 Times Thinner Than a Hair, 20.1% Efficiency, and 44 W/g Power

Explore The Cutting Edge Of Technology With Quasi-2D Perovskite Solar Cells. Lightweight And High Energy Efficiency For Futuristic Applications In Drones And More

Cutting-Edge Technology In Solar Cells

Solar-Powered Drones In Action

Beyond Our Planet

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Brazilian scientists assembled a “climate time machine” in the heart of the Amazon to fill trees with future CO₂ and discover how much the planet’s largest forest can withstand before changing forever.

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Solar Cells 20 Times Thinner Than a Hair, 20.1% Efficiency, and 44 W/g Power

Explore The Cutting Edge Of Technology With Quasi-2D Perovskite Solar Cells. Lightweight And High Energy Efficiency For Futuristic Applications In Drones And More

Cutting-Edge Technology In Solar Cells

Solar-Powered Drones In Action

Beyond Our Planet

The Soviet Union spent 22 years drilling into the Earth’s crust and reached a depth of 12,262 meters — they found water where it was thought impossible, hydrogen bubbling from the rock, granite that is 2.7 billion years old, and temperatures of 180 degrees that melted the drill bits.

Egypt wants to draw 10 million cubic meters of water from the Nile per day into the desert, irrigate a new agricultural frontier, and build a city where there is currently only sand.

BRICS is preparing a payment system inspired by the Brazilian PIX that will allow direct transactions between countries using national digital currencies without relying on the dollar or Western banks as intermediaries.

Ethiopia has banned gasoline and diesel cars, placed over a hundred silent electric buses on the streets of Addis Ababa, and now aims for half a million electric vehicles by 2030, all powered by Africa’s largest dam and a courage that few countries have shown.

Stored for over 100 years, the first underwater tunnel in Latin America receives a decisive boost with a loan of R$ 2.5 billion signed in April and promises to connect Santos and Guarujá, on the coast of São Paulo, in just 5 minutes.

A brand that has been manufacturing motorcycles since 1901 launches its first electric model, and the price shocked the world: $3,000, weighing only 124 kg and accelerating from 0 to 60 km/h in 3.7 seconds…

Giant turbines on the seabed of Scotland have been generating clean energy for nearly a decade without interruption, and now the big promise is that tidal power could solve the biggest problem of solar and wind energy: the unpredictability that no one has been able to overcome until today.

Europe has never produced so much clean energy at the start of a year — 384.9 TWh of renewables in the first quarter of 2026 broke all records, and fossil generation fell to its lowest level.

For the first time in history, solar and wind energy supplied more electricity than all global demand growth — and fossil generation fell to its lowest level in 100 years.

Renewable energy surpasses coal for the first time and marks a historic turning point in the global electricity sector

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Brazilian scientists assembled a “climate time machine” in the heart of the Amazon to fill trees with future CO₂ and discover how much the planet’s largest forest can withstand before changing forever.

With 1 trillion yuan in investments, China is creating from scratch a “city of the future” almost the size of London to relieve Beijing and transform the project into part of the legacy of supreme leader Xi Jinping.

The sea may advance faster than imagined: a 1-meter rise in ocean levels could leave up to 132 million people below the waterline, while a flaw present in over 99% of coastal analyses suggests that the real risk is already being underestimated.

A love letter written 540 years ago reappears thanks to artificial intelligence and reveals a surprising story of passion, family conflicts, a dowry dispute, and difficult choices that challenged the rules of medieval England.

SpaceX admits that the idea of taking artificial intelligence servers into space could run into something simple and inevitable: the laws of physics, which make the project more complex than it seemed.