Energy & Green Tech news

Engineering

Storing energy in red bricks

Imagine plugging in to your brick house.

Energy & Green Tech

Asegun Henry on five 'grand thermal challenges' to stem the tide of global warming

More than 90 percent of the world's energy use today involves heat, whether for producing electricity, heating and cooling buildings and vehicles, manufacturing steel and cement, or other industrial activities. Collectively, ...

Energy & Green Tech

Don't rush into a hydrogen economy until we know all the risks to our climate

There is global interest in the potential for a hydrogen economy, in part driven by a concern over climate change and the need to move away from fossil fuels.

Energy & Green Tech

Maximizing solar self-consumption by rethinking photovoltaic panel orientation

Over 2 million Australian households—more than 20 percent—now have rooftop photovoltaic (PV) solar panels, and while this is a generally positive scenario, the increased uptake of PV systems around the nation is creating ...

Energy & Green Tech

Q&A: How electric vehicles interact with the electric grid

As the rate of electric vehicle (EV) adoption in the U.S. rises, the transportation sector will put additional pressure on the power grid. California expects more than 50% zero-emission vehicles (ZEVs), which includes battery ...

Energy & Green Tech

Renewables in Europe: Land requirements can be reduced at low cost

Transitioning our energy supply from coal, oil and gas to wind and solar power is feasible. However, renewables require more land than conventional forms of energy generation. A new study explores the options to reduce the ...

Energy & Green Tech

A pathway to longer-lasting lithium batteries

Just about everyone has endured the frustration of their cell phone running out of power before they get a chance to recharge, and although electric cars are growing in popularity, they remain limited by how far they can ...

Energy & Green Tech

Harnessing the sun to purify concentrated waste streams

Reverse osmosis is one of the most common methods for purifying saline water, but the process produces limited results. About 20% to 50% of the water that enters the system remains as a concentrated waste stream.

Electronics & Semiconductors

Anode material for safe batteries with a long cycle life

Researchers at Karlsruhe Institute of Technology (KIT) and Jilin University in Changchun/China investigated a highly promising anode material for future high-performance batteries—lithium lanthanum titanate with a perovskite ...