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

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 ...

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, ...

Electronics & Semiconductors

An energy storage device designed to be recycled

Smartwatches, phones and even some drones rely on lightweight, rechargeable energy storage systems. Once those devices wear out, many end up as electronic waste. Now, researchers reporting in ACS Energy Letters have developed ...

Energy & Green Tech

Why AI may boost carbon emissions instead of cutting them

AI data centers get a bad rap, not least because of concerns that they drive climate change by consuming massive amounts of electricity. But one potentially larger impact of AI on global carbon emissions may be that it's ...

Energy & Green Tech

Green hydrogen goldmine: Discovery of a hidden energy source

As the world searches for sources of low-emission energy, researchers at Edith Cowan University (ECU) have uncovered a potential clean energy game-changer beneath Western Australia's red soil. The new study has revealed a ...

Energy & Green Tech

How cement plants can remove CO₂ from the atmosphere

Cement is one of the most in-demand building materials of our time. Every year, around 4 billion tonnes are produced. Cement production is energy-intensive, and greenhouse gases are emitted during the process—particularly ...

Energy & Green Tech

Biosolar roof sets new standard for climate-resilient cities

A study of Bradfield City's First Building green roof confirms that combining native rooftop gardens with solar panels reduces urban heat, increases renewable energy generation and supports local biodiversity.

Energy & Green Tech

From vision to reality: A unified neural solver for the power grid

The electric grid has never mattered more—or faced more pressure. As transportation, buildings and industry electrify, ever more of modern life runs through the same network of wires. At the same time, the grid is being reshaped ...