Energy & Green Tech news

Engineering

Wearable fans could keep workers cool while reducing office energy use

Small wearable fans that cool the face and neck can keep people almost as comfortable as conventional desk fans, according to a new study from Concordia researchers. Aside from taking up less space, these lightweight alternatives ...

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 ...

Engineering

Polymer cage extends zinc-iodine battery life beyond 60,000 cycles

While soaring demand for lithium-ion batteries pushes prices higher, Flinders University experts are making headway in developing a safe, more sustainable aqueous zinc-iodine rechargeable battery. In their latest study, published ...

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

Hydrogen planes 'more for the 22nd century': France's Safran

Hydrogen-powered airplanes, touted by some as a way to slash carbon emissions from flying, are unlikely to prove a viable technology anytime soon, the head of French engine maker Safran said Wednesday.

Energy & Green Tech

Electric vehicles could catch on in Africa sooner than expected

The number of vehicles in Africa is expected to double between now and 2050—faster than on any other continent. The question is not whether mobility will increase, but how. A new study led by researchers at ETH Zurich and ...

Business

Understanding ammonia energy's tradeoffs around the world

Many people are optimistic about ammonia's potential as an energy source and carrier of hydrogen, and though large-scale adoption would require major changes to the way it is currently manufactured, ammonia does have a number ...

Engineering

Pushing organic solar cell efficiency past 18%

A joint research team from National Taiwan University, National Yang Ming Chiao Tung University, and National Tsing Hua University has discovered a precise molecular engineering strategy. By adjusting the side chains of organic ...

Energy & Green Tech

Smart transparent woods can block UV and save energy

Environmentally friendly buildings are highly attractive for sustainable development and efficient energy consumption. Recently, scientists have made significant strides toward the development of energy-efficient smart windows—with ...

Energy & Green Tech

Microsoft says will foot AI's massive power bill

Microsoft said Tuesday it will shoulder the full electricity costs of its US data centers to prevent American households from facing higher power bills driven by surging AI energy demand.