Energy & Green Tech news

Energy & Green Tech

Turning once-troublesome protons into an energy storage resource for batteries

A research team led by Sarah S. Park from the Department of Chemistry (KAIST) has developed a new electrode material that sequentially stores zinc ions (Zn²⁺) and protons in aqueous batteries. The material is based on a two-dimensional ...

Energy & Green Tech

There's a better way to cool data centers that cuts their huge thirst for water

Water is an amazing substance. The human body is made up of more than 50% water. Approximately 70% of the Earth's surface is covered by water. We drink it, bathe in it, cook with it and clean with it. It is also used to cool ...

Engineering

From scrap and used parts to high-performance materials: New circular pathways for aluminum foam

Aluminum foam is one of the lightest structural materials available. Thanks to its low density, high energy absorption capacity and excellent damping properties, it is suitable for applications in automotive engineering, ...

Engineering

For green building, 'durable is the new 'sustainable'

Reducing the negative environmental impact of buildings—globally one of the largest contributors to greenhouse gas emissions—might be even more difficult than expected. New research from Drexel University indicates that, ...

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 ...

Engineering

Taking the heat out of industrial chemical separations

The modern world runs on chemicals and fuels that require a huge amount of energy to produce: Industrial chemical separation accounts for 10% to 15% of the world's total energy consumption. That's because most separations ...

Energy & Green Tech

Hydrogen-powered ground vehicles offer a route to cleaner airports

Hydrogen-powered vehicles used on ground operations could help slash carbon emissions and support airports to reach net-zero targets, new research suggests. The Newcastle University research shows that key airport stakeholders ...

Engineering

New research enables safe reuse of concrete

Recent research in Sweden and Finland shows how used concrete's lifespan can be extended another 50 to 100 years when incorporated into new construction. A team from KTH Royal Institute of Technology and Tampere University ...

Energy & Green Tech

Discoveries in testing solid-fuel ramjets advance research

Scientists at the U.S. Naval Research Laboratory are developing the next generation of solid-fuel ramjet (SFRJ) propulsion, addressing one of the field's most persistent challenges: understanding and predicting what happens ...

Energy & Green Tech

Powering AI from space, at scale, with a passive tether design

Penn Engineers have developed a novel design for solar-powered data centers that will orbit Earth and could realistically scale to meet the growing demand for AI computing while reducing the environmental impact of data centers.

Energy & Green Tech

Electric eel biology inspires powerful gel battery

Power sources used in devices found in or around biological tissue must be flexible and nontoxic, while still powerful enough to support demanding technologies such as medical devices or soft robotics. To achieve this balance, ...