Energy & Green Tech news

Engineering

How different shade conditions impact performance of solar cells connected in series

Large obstacles, like clouds and buildings, can block sunlight from reaching solar cells, but smaller sources, such as dust and leaves, can also create similar problems. Understanding how the loss of incoming radiation affects ...

Energy & Green Tech

New research can help electric utilities account for climate change

Researchers have devised a method to determine the impact of climate change on the supply and variability of local renewable energy.

Energy & Green Tech

Researchers improve efficiency of low-cost solar cells

With global energy-related carbon dioxide emissions reaching an all-time high in 2021, the need for clean energy is more pressing than ever. One such alternative to fossil fuels is solar energy. Solar cells have been developed ...

Engineering

Promoting the expansion of photovoltaics by cutting production times for high-efficiency solar cells by half

When producing silicon solar cells, it is important to have a high throughput. This reduces production costs and alleviates supply bottlenecks as more photovoltaics installations are being deployed in Germany and worldwide. ...

Energy & Green Tech

Researchers develop a cobalt-free cathode for lithium-ion batteries

Researchers at the University of California, Irvine and four national laboratories have devised a way to make lithium-ion battery cathodes without using cobalt, a mineral plagued by price volatility and geopolitical complications.

Energy & Green Tech

Lithium-ion battery material breaks barrier on fast charging

Researchers at the Department of Energy's Oak Ridge National Laboratory and the University of Tennessee, Knoxville, discovered a key material needed for fast-charging lithium-ion batteries. The commercially relevant approach ...

Energy & Green Tech

Rooftop solar cells can be a boon for water conservation too

Electricity-generating rooftop solar cells not only save on planet-warming carbon emissions, they also save a significant amount of water, say a pair of Duke University researchers who have done the math.

Energy & Green Tech

Durable platform makes sustainable fuel from seawater

Seawater could be the perfect stockfeed for sustainable fuel: it is renewable, abundant, economic and contains exactly the right ingredients to produce high-quality hydrogen. The drawback is that it contains less-desirable ...

Engineering

A new way to make electricity using ocean waves

A team of researchers at the Chinese Academy of Sciences has developed a new way to generate electricity using ocean waves. In their paper published in the journal One Earth, the group describes how their new device works ...

Engineering

Passive cooling system could benefit off-grid locations

As the world gets warmer, the use of power-hungry air conditioning systems is projected to increase significantly, putting a strain on existing power grids and bypassing many locations with little or no reliable electric ...

Energy & Green Tech

How does this professor's garden grow? On a Denver rooftop

Colorado State University professor Jennifer Bousselot is growing a garden on top of a building in Denver as part of her ongoing research into "green roofs" and her efforts to educate the public about their many benefits.

Engineering

Pixelization of solar panels to beautify building facades

Buildings consume around one-third of the world's energy and are responsible for 40% of greenhouse gas emissions. Reducing carbon emissions and using renewable clean energy in buildings are essential to achieve the goals ...

Energy & Green Tech

France sends latest nuclear shipment to Japan

Two ships carrying reprocessed nuclear fuel destined for Japan set sail Saturday morning from northern France, an AFP photographer said, despite criticism from environmental campaigners.