Energy & Green Tech news

Energy & Green Tech

New method to recycle materials inside lithium-ion batteries

Lithium-ion batteries (LIBs), which store energy leveraging the reversible reduction of lithium ions, power most devices and electronics on the market today. Due to their wide range of operating temperatures, long lifespan, ...

Business

Predicting the sustainability of a future hydrogen economy

As renewable energy sources like wind and solar ramp up, they can be used to sustainably generate hydrogen fuel. But implementing such a strategy on a large scale requires land and water dedicated to this purpose.

Energy & Green Tech

Researchers propose a novel liquid filter for enhanced solar energy utilization

Photovoltaic (PV) modules are devices that convert sunlight into electrical energy. However, they suffer from a low conversion efficiency of around 20% because they can only convert near-infrared wavelengths into electricity, ...

Engineering

Waste sand could be saved from landfill with new form of concrete

Up to 100 million tons of waste foundry sand could be averted from landfill worldwide and used to make a new form of concrete, research shows.

Energy & Green Tech

New approach may help extract more heat from geothermal reservoirs

Geothermal heat offers a promising source of renewable energy with almost zero emissions, but it remains a relatively expensive option to generate electricity. A new technique proposed by Penn State scientists may help prevent ...

Energy & Green Tech

Cheap and efficient catalyst could boost renewable energy storage

Storing renewable energy as hydrogen could soon become much easier thanks to a new catalyst based on single atoms of platinum. The new catalyst, designed by researchers at City University Hong Kong (CityU) and tested by colleagues ...