Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science( ... sorted: popular/1d)

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.

19 hours ago

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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.

14 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 ...

15 hours ago

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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 ...

19 hours ago

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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 ...

12 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. ...

16 hours ago

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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 ...

11 hours ago

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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 ...

11 hours ago

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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.

14 hours ago

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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, ...