Energy & Green Tech news

Energy & Green Tech

Garbage could replace a quarter of petroleum-based jet fuel every year

Every year, the nation's aviation industry uses around 22 billion gallons of jet fuel, which produces about 1 billion tons of carbon dioxide—or 3% of the world's carbon dioxide emissions. Because of this, researchers and ...

4 hours ago

Energy & Green Tech

Mess is best: Disordered structure of battery-like devices improves performance

The energy density of supercapacitors—battery-like devices that can charge in seconds or a few minutes—can be improved by increasing the 'messiness' of their internal structure.

6 hours ago

Universal 'cocktail electrolyte' developed for 4.6 V ultra-stable fast charging of commercial lithium-ion batteries

Lithium-ion batteries (LIBs), mainly used as the power of computer, communication and consumer electronic products, require higher energy density, longer cycling life, faster-charging capability, and a broader operating temperature ...

3 hours ago

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Floating solar's potential to support sustainable development

A study, published in Nature Energy, is among the first to explore the floating photovoltaics (FPV) at the continental scale, finding that FPV installed at existing major reservoirs could produce 20–100% of the electricity ...

7 hours ago

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Harvesting vibrational energy from 'colored noise'

The energy demands of today's ubiquitous small electronic devices—including sensors, data transmitters, medical implants and 'wearable' consumer products such as Fitbits—can no longer be met by chemical batteries alone. ...

8 hours ago

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Electronics & Semiconductors

New understanding of energy losses in emerging light source

The light-emitting electrochemical cell (LEC) can be fabricated in a sustainable and cost-effective way on both rigid and flexible surfaces making it suitable for a broad range of applications, like illumination, health care, ...

8 hours ago

Electronics & Semiconductors

Proof-of-concept nanogenerator turns CO₂ into sustainable power

University of Queensland researchers have built a generator that absorbs carbon dioxide (CO2) to make electricity.

11 hours ago

Scientists urge action over life-threatening pollution from solar power waste in Africa

Researchers from The University of Manchester investigating waste management practices for off-grid solar technologies in Malawi have discovered life-threatening quantities of lead pollution from improperly managed battery ...

3 hours ago

Can bismuth prevent oil leaks and save Norwegians billions?

Over the next 25 years, as the world shifts away from fossil fuels, the oil and gas wells that have sustained the fossil fuel age will have to be plugged.

4 hours ago

Recycling carbon fiber reinforced plastics waste is a challenge, but researchers find a way to make it work

Carbon fiber reinforced plastics (CFRP) are lighter and stronger than metal and are used in a variety of industries, including aviation, aerospace, automotive, marine, and sporting goods. In recent years, it has also been ...

4 hours ago

Advancing performance assessment of a spectral beam splitting hybrid PV/T system with water-based SiO₂ nanofluid

As the globe grapples with the urgent need to shift from fossil fuels to sustainable energy sources, solar power stands as a beacon of hope. However, a significant challenge has been to efficiently capture and utilize the ...

6 hours ago

Researchers develop technology to improve offshore wind safety

Deepwater divers who monitor and maintain underwater transmission lines and cables for offshore wind turbines face hazards such as subfreezing temperatures, low visibility, jellyfish and sharks.

6 hours ago

Green cement production is scaling up—and it could cut the carbon footprint of construction

Aside from water, concrete is the most-used material in the world, with about 14 billion cubic meters being used every year. Of that, 40% of that is used to build places for people to live.

6 hours ago

Study demonstrates high CO₂ storage efficiency in shale reservoirs using fracturing technology

A new study published in the journal Engineering unveils the remarkable carbon storage potential of shale reservoirs utilizing CO2 fracturing technology.

5 hours ago

Sealing homes' leaky HVAC systems: A sneaky good climate solution

There's a hidden scourge making homes more harmful to the climate and less comfortable: leaky heating and cooling systems. Plugging those leaks may be the dull stepchild of the energy transition, but that doesn't make it ...

11 hours ago

Clearing the air: Wind farms more land efficient than previously thought

Wind power is a source of energy that is both affordable and renewable. However, decision-makers have been reluctant to invest in wind energy due to a perception that wind farms require a lot of land compared to electric ...

Apr 17, 2024

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New material for hydrogen storage confines this clean yet troublesome fuel

Skoltech scientists and their colleagues from Shubnikov Institute of Crystallography of RAS and research centers in China, Japan, and Italy have discovered a material for chemical storage of hydrogen that can "soak up" four ...

Apr 17, 2024