Energy & Green Tech news

Energy & Green Tech

No lithium metal anode to start? Silver-based additive helps stabilize next-generation batteries

A research team at The Hong Kong University of Science and Technology (HKUST) has developed a dynamic integrated interface engineering strategy that enhances the energy density and stability of anode-free lithium metal batteries ...

Electronics & Semiconductors

Ambient radiation used to power battery-free temperature sensor

Researchers at the University of Arkansas and the University of Michigan have reported the creation of a graphene-based energy harvester that uses ambient radiation to run ultralow-power temperature sensors. This is the second ...

Engineering

Engineered porous material recovers valuable rare earth elements from industrial wastewater

The rare earth elements that help power electric vehicles, wind turbines, medical imaging machines and other advanced technologies may be hiding in an unlikely place: industrial wastewater.

Energy & Green Tech

Doubling hydrogen production through a synergy of materials

Many chemical processes require hydrogen, which is still being produced from fossil fuels. A protonic ceramic electrolyzer cell (PCEC) is a device that can produce hydrogen from water at temperatures that match key industrial ...

Energy & Green Tech

Finland grants license for world's first nuclear waste repository

Finland's government has granted an operating license for the world's first permanent repository for radioactive spent nuclear fuel, waste management company Posiva said Thursday, 22 years after construction began on the ...

Engineering

Turning coffee waste into 3D-printed architectural forms

RMIT researchers have turned coffee waste into 3D-printed architectural forms, opening a potential pathway towards more sustainable, low-carbon construction. The project brings together scientific, architectural and engineering ...

Engineering

Turning waste into fuel could help cut cement's carbon footprint

Waste that would otherwise end up in a landfill could help low-carbon cement production by reducing the industry's reliance on fossil fuels, according to Adelaide University researchers. Ph.D. candidate Geethmi Thisakya, ...

Engineering

Safety-conscious drop tower improves TN bridges

If you are inside the John D. Tickle Engineering Building at the University of Tennessee, Knoxville, and think you hear a semitruck slamming into a highway overpass, your ears aren't deceiving you. You've just stopped by ...

Electronics & Semiconductors

Nanoengineered wood sets new record for transformer insulation

The world's power grid is straining under the surge in electricity demand from data centers, electric vehicles and renewable energy. And a century-old technology, the power transformer, must support this dramatic increase. ...

Engineering

Going up against the heat: Vertical greenery keeps cities cool

Climate change and urbanization have intensified the urban heat island (UHI) effect, where urban areas are significantly warmer than rural areas. This has, in turn, increased the frequency of extreme heat events, such as ...

Energy & Green Tech

New strategy enhances oxygen reduction in zinc-air batteries

Batteries are undergoing rapid advances. For example, modern zinc-air batteries have the remarkable ability to use oxygen as energy—but that oxygen isn't stored in the battery itself. Zinc-air batteries take in surrounding ...

Energy & Green Tech

'Battery on wheels': Sweden powers homes with EVs

When they get home, the residents of a small housing association on the outskirts of Hudiksvall, Sweden, plug in their electric vehicles to charge them or, intriguingly, power their homes.

Energy & Green Tech

This specially-designed jacket pulls drinking water from thin air

Engineers at The University of Texas at Austin have developed a jacket that harvests drinking water directly from the air. The technology could benefit anyone who spends a lot of time in areas without easy access to drinking ...

Energy & Green Tech

Food waste beads could boost direct air capture by 10% to 50%

In order to stabilize global warming at less than 1.5°C in the long term, there is a need not only for a drastic reduction in greenhouse gas emissions but also for technologies to remove and store hundreds of billions of ...

Energy & Green Tech

Fuel costs alone won't spark Australia's EV transition

As Australian motorists continue to grapple with rising fuel prices and electric vehicle (EV) sales steadily increase across the country, new research from Edith Cowan University (ECU) has found that petrol costs alone are ...

Energy & Green Tech

Fast-tracking efficiency in light water reactor fuels

Coupling a power uprate with burnup extension—or how long fuel can produce power before being replaced—allows fuel to operate at a higher power for longer periods. Fuels with accident-tolerant and higher-burnup capabilities ...

Consumer & Gadgets

Entirely new way of making espresso shakes up the coffee world

Researchers at UNSW Sydney have harnessed the power of ultrasonic sound waves to make espresso-strength coffee with room-temperature water, cutting energy use by up to 75%. That morning coffee kick from a shot of espresso ...