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 ...

Engineering

Smaller homes could cut Europe's CO₂ building emissions

Buildings are responsible for around 40% of CO2 emissions in the European Union. This means the building sector has a central role to play in achieving the EU's climate targets by 2050. An EU research project involving Graz ...

Engineering

Sand could be key to safer, stronger structures

Engineers have been working for centuries to protect buildings, bridges and other structures from damage caused by severe weather and natural hazards, but one of the best methods may begin with sand, according to a newly ...

Energy & Green Tech

How cheap clean energy can spark a fairer energy sector

Policies aimed at expanding energy infrastructure are more effective, and can remain cost-neutral, when they take community and environmental impacts into account, a new analysis suggests.

Energy & Green Tech

Ask an expert: Are data centers driving up my electricity bills?

Data center development has become a hot topic this summer. According to Hannah Wiseman, professor of law at Penn State Dickinson Law, homeowners may be in for a shock when they pay their power bills at the end of this month, ...