Energy & Green Tech news
Engineering
Urban heating and cooling to play substantial role in future energy demand under climate change
Existing global energy projections underestimate the impact of climate change on urban heating and cooling systems by roughly 50% by 2099 if greenhouse gas emissions remain high, researchers report. This disparity could profoundly ...
15 hours ago
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Energy & Green Tech
Producing future low-cost, aqueous zinc-ion batteries for sustainable, large-scale energy storage
With global demand for lithium-ion batteries fast depleting reserves of raw materials, experts are seeking safe, affordable and reliable alternatives for rechargeable batteries.
20 hours ago
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Folded or cut, researchers design a lithium-sulfur battery that keeps going
Most rechargeable batteries that power portable devices, such as toys, handheld vacuums and e-bikes, use lithium-ion technology. But these batteries can have short lifetimes and may catch fire when damaged.
21 hours ago
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Transparent solar cells can directly supply energy from glass surfaces
A technology that can directly charge a battery from a smartphone screen has emerged. A research team affiliated with UNIST has unveiled a method of supplying energy directly from glass of buildings, cars, and mobile devices ...
21 hours ago
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New 'PVDF alternative battery binder' surpasses EU environmental regulations
A research team has developed a technology that enhances the performance of binders—often the 'unsung heroes' in the field of secondary batteries—while using environmentally friendly materials. Their study is published ...
18 hours ago
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Engineering
Housing could help us improve our well-being and reach net zero by 2040, scientist says
EPFL scientist Sascha Nick has outlined a completely new scenario for what housing and neighborhoods might look like in Switzerland in the coming decades. His recommendations would put the country on track to meet its net-zero ...
18 hours ago
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Energy & Green Tech
Harnessing the power of porosity: Advancing aqueous zinc-ion batteries and large-scale energy storage
As the global demand for energy storage solutions grows, the limitations of current lithium-ion batteries, such as safety concerns and high costs, have driven the exploration of alternative technologies. Aqueous zinc-ion ...
18 hours ago
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Energy & Green Tech
Dielectric protocol leads to high energy density in Li-metal pouch cells
The interface between electrodes and electrolytes largely contributes to the efficiency with which batteries convert energy. In recent years, many efforts aimed at developing better performing batteries have focused on tailoring ...
Energy & Green Tech
Recovering rare earth elements from coal ash for clean energy technologies
As the world transitions away from fossil fuels, the demand for rare earth elements (REEs) is only going to increase. These elements are vital to the production of technologies that will make the transition to green energy ...
Sep 12, 2024
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Energy & Green Tech
Discovery could lead to longer-lasting EV batteries, hasten energy transition
Batteries lose capacity over time, which is why older cellphones run out of power more quickly. This common phenomenon, however, is not completely understood.
Sep 12, 2024
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Energy & Green Tech
Novel deep learning model developed for battery lifespan prediction
Accurate prediction of lithium battery lifespan is crucial for the proper functioning of electrical equipment. However, predicting battery lifespan accurately is challenging due to the nonlinearity of capacity degradation ...
Sep 12, 2024
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Energy & Green Tech
How the 'rebound effect' could eat away at the green gains from electric vehicles
The transport sector produces around 19% of Australia's total greenhouse gas emissions. About 85% of transport emissions come from road vehicles burning fossil fuels.
Sep 12, 2024
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Engineering
Energy-efficient device uses solar power to turn seawater into fresh water
Researchers at the University of Waterloo have designed an energy-efficient device that produces drinking water from seawater using an evaporation process driven largely by the sun.
Sep 11, 2024
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Energy & Green Tech
Self-charging energy harvester generates electricity from seawater
An innovative energy harvester, capable of continuously producing electrical energy by utilizing the movement of the sodium ions contained in seawater, has been developed. This technology is anticipated to find applications ...
Sep 11, 2024
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Engineering
Bio-inspired wick enhances electronic chip cooling
A research team led by Prof. Ye Hong from the University of Science and Technology of China has developed an alumina ceramic bionic wick with finger-like pores inspired by the stomatal array of natural leaves. Their research ...
Sep 11, 2024
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Engineering
Developing new approaches for the cost-efficient and high-speed production of fuel cells
For hydrogen technology to become a key to the energy transition, it needs to take a decisive step forward toward broad application. The main factors holding back this longed-for breakthrough, however, are the high costs ...
Sep 11, 2024
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Energy & Green Tech
Computer engineers pioneer approaches to energy-efficient supercomputing
As high-tech companies ramp up construction of massive data centers to meet the business boom in artificial intelligence, one component is becoming an increasingly rare commodity: electricity.
Sep 11, 2024
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Energy & Green Tech
A charge ahead: Carrier pre-intercalation techniques boost alternative battery performance
As the demand for energy storage diversifies, the limitations of lithium supplies drive a shift toward alternative technologies. Sodium, potassium, magnesium, and zinc-ion batteries emerge as promising contenders, yet face ...
Sep 11, 2024
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Business
South Africa's green hydrogen hub: EU grants not nearly enough to get industry going, say chemical engineers
South Africa is poised to become a major player in the global energy transition, thanks to its vast renewable energy resources (sun and wind) and its plans for green hydrogen production.
Sep 11, 2024
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Business
Opinion: With a million home batteries, Australia could build far fewer power lines. It just needs the right incentives
It's no secret Australia has abundant and cheap renewable energy, especially wind and solar power. But yes, there are times when the sun doesn't shine and the wind doesn't blow. We need energy storage to get us through those ...
Sep 11, 2024
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Energy & Green Tech
Viewpoint: Making fuels from plastics in Newaygo, Michigan, would be controversial
Humans generate a lot of plastic waste—more than 400 million metric tons a year.
Sep 11, 2024
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Business
Can green finance effectively reduce carbon dioxide emissions while promoting economic growth?
New research published in Business Strategy and the Environment based on information from G7 countries demonstrates that green finance—loans, investments, and incentives that support environmentally-friendly projects and ...
Sep 11, 2024
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Energy & Green Tech
New England leaders hold private clean energy talks as Massachusetts pursues more offshore wind
Top elected leaders from the northeastern parts of Canada and the United States urged their colleagues Tuesday morning to embrace renewable energy initiatives just as Massachusetts is attempting to spearhead a new round of ...
Sep 11, 2024
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Energy & Green Tech
Power struggle: Serbia eyes nuclear energy to fuel future
Time stands still at Serbia's Vinca nuclear facility, where the decommissioned Yugoslav-era reactor is a testament to the fears generated by the controversial energy source.
Sep 11, 2024
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Energy & Green Tech
Asymmetric electrolyte design enables high-capacity anodes in lithium-ion batteries
Lithium-ion batteries (LiBs) have become the most widely used rechargeable batteries worldwide. Energy researchers and material scientists have been trying to identify alternative materials that could serve as LIB components, ...
