Energy & Green Tech news

Engineering

Urban heating and cooling to play substantial role in future energy demand under climate change

Existing global energy projections underestimate the impact of climate change on urban heating and cooling systems by roughly 50% by 2099 if greenhouse gas emissions remain high, researchers report. This disparity could profoundly ...

Energy & Green Tech

New 'PVDF alternative battery binder' surpasses EU environmental regulations

A research team has developed a technology that enhances the performance of binders—often the 'unsung heroes' in the field of secondary batteries—while using environmentally friendly materials. Their study is published ...

Energy & Green Tech

Producing future low-cost, aqueous zinc-ion batteries for sustainable, large-scale energy storage

With global demand for lithium-ion batteries fast depleting reserves of raw materials, experts are seeking safe, affordable and reliable alternatives for rechargeable batteries.

Energy & Green Tech

Folded or cut, researchers design a lithium-sulfur battery that keeps going

Most rechargeable batteries that power portable devices, such as toys, handheld vacuums and e-bikes, use lithium-ion technology. But these batteries can have short lifetimes and may catch fire when damaged.

Energy & Green Tech

Self-charging energy harvester generates electricity from seawater

An innovative energy harvester, capable of continuously producing electrical energy by utilizing the movement of the sodium ions contained in seawater, has been developed. This technology is anticipated to find applications ...

Engineering

Bio-inspired wick enhances electronic chip cooling

A research team led by Prof. Ye Hong from the University of Science and Technology of China has developed an alumina ceramic bionic wick with finger-like pores inspired by the stomatal array of natural leaves. Their research ...

Energy & Green Tech

Study examines keys to developing better batteries

It doesn't come on fast. It may take weeks to notice. You have the newly recharged lithium-ion AA batteries in the wireless kitty water fountain, and they last two days. They once lasted a week or more. Another round of charging, ...

Energy & Green Tech

Lignin-based jet fuel packs more power for less pollution

An experimental plant-based jet fuel could increase engine performance and efficiency, while dispensing with aromatics, the pollution-causing compounds added to conventional fuels, according to new research.

Energy & Green Tech

Major Japan railway now powered only by renewable energy

Tokyo's Shibuya is famed for its Scramble Crossing, where crowds of people crisscross the intersection in a scene symbolizing urban Japan's congestion and anonymity. It may have added another boasting right.

Energy & Green Tech

Solar energy projects lower bills in Rio de Janeiro favelas

In a hillside slum with breathtaking views of Rio de Janeiro's famed Copacabana beach, a rooftop covered in photovoltaic panels glitters in the tropical sun—one of many in Brazil's first favela solar energy project.

Electronics & Semiconductors

Tiny devices pave way for self-charging smart tech

Self-charging smartwatches and health trackers could be a step closer following the development of tiny mechanical devices powered by movement, a study suggests.

Engineering

Recycled glass waste used as sand replacement in 3D printing

Researchers from Nanyang Technological University, Singapore (NTU Singapore) have developed the capability to use recycled glass in 3D printing, opening doors to a more environmentally sustainable way of building and construction.

Energy & Green Tech

Making materials for the next generation of electric car batteries

As drivers around the world switch to electric cars, new batteries that can store more energy, translating to longer driving distances before a car needs recharging, can't come soon enough. But researchers at NTNU have discovered ...

Energy & Green Tech

New FLORIS release significantly increases computation speeds

The National Renewable Energy Laboratory's (NREL's) Wind Energy Controls Research Team announced the release of Version 3.0 of the FLOw Redirection and Induction in Steady State (FLORIS) wind farm controls software. FLORIS ...

Electronics & Semiconductors

New research harnesses the power of movement

Harvesting energy from the day-to-day movements of the human body and turning it into useful electrical energy, is the focus of a new piece of research involving a Northumbria University Professor.

Energy & Green Tech

How a new heat battery can quickly make millions of homes gas-free

The need to take homes off gas has increased ever since the conflict in Ukraine. A heat battery with salt and water as simple components could provide a quick and large-scale solution for over three million households in ...