Energy & Green Tech news

Energy & Green Tech

Dielectric protocol leads to high energy density in Li-metal pouch cells

The interface between electrodes and electrolytes largely contributes to the efficiency with which batteries convert energy. In recent years, many efforts aimed at developing better performing batteries have focused on tailoring ...

Energy & Green Tech

Recovering rare earth elements from coal ash for clean energy technologies

As the world transitions away from fossil fuels, the demand for rare earth elements (REEs) is only going to increase. These elements are vital to the production of technologies that will make the transition to green energy ...

Engineering

Energy-efficient device uses solar power to turn seawater into fresh water

Researchers at the University of Waterloo have designed an energy-efficient device that produces drinking water from seawater using an evaporation process driven largely by the sun.

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

Keeping refrigerants flowing steadily in HVAC units

Oak Ridge National Laboratory researchers have demonstrated that microchannel heat exchangers in heating, ventilation and air conditioning units can keep refrigerants evenly and continually distributed through the insertion ...

Energy & Green Tech

Hydrogen production and carbon capture in a single step

Hydrogen production takes place using natural gas as the raw material, combined with a very special ceramic membrane. Both hydrogen production and CO2 capture are achieved in a single step, which makes the method highly energy ...

Electronics & Semiconductors

Just add water to activate a disposable paper battery

A water-activated disposable paper battery is presented in a proof-of-principle study in Scientific Reports. The authors suggest that it could be used to power a wide range of low-power, single-use disposable electronics—such ...

Energy & Green Tech

Rechargeable silicon batteries

A team of researchers from the Technion–Israel Institute of Technology has developed a proof-of-concept for a novel rechargeable silicon (Si) battery, as well as its design and architecture that enables Si to be reversibly ...

Energy & Green Tech

Emerging technology could help extract lithium from new sources

As more drivers adopt plug-in hybrid and electric vehicles, the demand for lithium-ion batteries will continue to explode over the next decade. But processes for extracting lithium can be time-consuming and chemical-intensive, ...