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Knowridge Science Report

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Energy

Solar panels on half the world’s roofs could meet its entire electricity demand

October 13, 2021 No Comments

Credit: MariaGodfrida/Pixabay. Rooftop solar panels are up to 79% cheaper than they were in 2010. These plummeting costs have made rooftop solar photovoltaics even more attractive to households and businesses who want to reduce their reliance on electricity grids while reducing their carbon footprints. But are there enough rooftop surfaces

 840 Views

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Scientists find large solar parks could cool surrounding land for the first time

October 7, 2021 No Comments

Credit: Dr Rebecca R. Hernandez/ UC Davis. Scientists using satellite technologies have discovered for the first time that large scale solar parks have a cooling effect on the land surrounding them. As more countries pledge to achieve net zero carbon emissions there will be a greater reliance on renewable energy

 498 Views

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Scientists clear the efficiency hurdle for organic solar cells

September 30, 2021 No Comments

Lasers in the Optoelectronics Lab. Credit: Akshay Rao. Researchers have identified a key mechanism responsible for the lower efficiencies of organic solar cells and shown a way that this hurdle might be overcome. The international group of researchers, led by the University of Cambridge, identified a loss pathway in organic

 494 Views

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Researchers create a high performance all-solid-state battery

September 24, 2021 No Comments

Credit: UC San Diego. Engineers created a new type of battery that weaves two promising battery sub-fields into a single battery. The battery uses both a solid state electrolyte and an all-silicon anode, making it a silicon all-solid-state battery. The initial rounds of tests show that the new battery is

 453 Views

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These solar cells could last 30 years and turn buildings into power plants

September 19, 2021 No Comments

Credit: Robert Coelius/ Michigan Engineering. A new transparency-friendly solar cell design could marry high efficiencies with 30-year estimated lifetimes, researchers report. It may pave the way for windows that also provide solar power. “Solar energy is about the cheapest form of energy that mankind has ever produced since the industrial

 507 Views

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Scientists discover new super material for batteries and other energy conversion devices

September 15, 2021 No Comments

Credit: Public Domain CC0. Unplanned discovery could lead to future pivotal discoveries in batteries, fuel cells, devices for converting heat to electricity and more. Scientists normally conduct their research by carefully selecting a research problem, devising an appropriate plan to solve it and executing that plan. But unplanned discoveries can

 459 Views

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Scientists find potential way to convert food waste into batteries

September 11, 2021 No Comments

Credit: Max Esterhuizen/Virginia Tech. What do apple cores, spent grain, and walnut shells have in common? They could one day be used to power a data center. As the world works toward economically and environmentally friendly ways to power these devices, two Virginia Tech researchers investigate how food waste and

 478 Views

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Microbatteries on chips could help make wearable sensors

September 3, 2021 No Comments

Microbattery fabricated on the backside of a Si chip. Credit: Public Domain CC0. Fitbits, car windows, oil refineries—the roll call of devices and technologies that rely on ultra-small sensors already numbers in the hundreds of billions. Sensors measure changing conditions and report the data electronically—say, to heat up a bedroom

 474 Views

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Stretching may help lithium batteries last longer, shows study

September 2, 2021 No Comments

Credit: Pixabay. Batteries are widely used in everyday applications like powering electric vehicles, electronic gadgets and are promising candidates for sustainable energy storage. However, as you’ve likely noticed with daily charging of batteries, their functionality drops off over time. Eventually, we need to replace these batteries, which is not only

 442 Views

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Footsteps on these wooden floors could power small electronic devices

September 2, 2021 No Comments

how footsteps on functionalized wood floors can be used to power small devices. Credit: Sun et al./Matter. Researchers from Switzerland are tapping into an unexpected energy source right under our feet: wooden floors. Their nanogenerator, presented in the journal Matter, enables wood to generate energy from our footfalls. They also

 424 Views

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Solar panels on half the world’s roofs could meet its entire electricity demand

October 13, 2021 No Comments

Credit: MariaGodfrida/Pixabay. Rooftop solar panels are up to 79% cheaper than they were in 2010. These plummeting costs have made rooftop solar photovoltaics even more

 840 Views

Read More »

Scientists find large solar parks could cool surrounding land for the first time

October 7, 2021 No Comments

Credit: Dr Rebecca R. Hernandez/ UC Davis. Scientists using satellite technologies have discovered for the first time that large scale solar parks have a cooling

 498 Views

Read More »

Scientists clear the efficiency hurdle for organic solar cells

September 30, 2021 No Comments

Lasers in the Optoelectronics Lab. Credit: Akshay Rao. Researchers have identified a key mechanism responsible for the lower efficiencies of organic solar cells and shown

 494 Views

Read More »

Researchers create a high performance all-solid-state battery

September 24, 2021 No Comments

Credit: UC San Diego. Engineers created a new type of battery that weaves two promising battery sub-fields into a single battery. The battery uses both

 453 Views

Read More »

These solar cells could last 30 years and turn buildings into power plants

September 19, 2021 No Comments

Credit: Robert Coelius/ Michigan Engineering. A new transparency-friendly solar cell design could marry high efficiencies with 30-year estimated lifetimes, researchers report. It may pave the

 507 Views

Read More »

Scientists discover new super material for batteries and other energy conversion devices

September 15, 2021 No Comments

Credit: Public Domain CC0. Unplanned discovery could lead to future pivotal discoveries in batteries, fuel cells, devices for converting heat to electricity and more. Scientists

 459 Views

Read More »

Scientists find potential way to convert food waste into batteries

September 11, 2021 No Comments

Credit: Max Esterhuizen/Virginia Tech. What do apple cores, spent grain, and walnut shells have in common? They could one day be used to power a

 478 Views

Read More »

Microbatteries on chips could help make wearable sensors

September 3, 2021 No Comments

Microbattery fabricated on the backside of a Si chip. Credit: Public Domain CC0. Fitbits, car windows, oil refineries—the roll call of devices and technologies that

 474 Views

Read More »

Stretching may help lithium batteries last longer, shows study

September 2, 2021 No Comments

Credit: Pixabay. Batteries are widely used in everyday applications like powering electric vehicles, electronic gadgets and are promising candidates for sustainable energy storage. However, as

 442 Views

Read More »

Footsteps on these wooden floors could power small electronic devices

September 2, 2021 No Comments

how footsteps on functionalized wood floors can be used to power small devices. Credit: Sun et al./Matter. Researchers from Switzerland are tapping into an unexpected

 424 Views

Read More »
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