Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science( ... sorted: rank/1m)

A new strategy to enhance the performance of silicon heterojunction solar cells

Crystalline silicon (c-Si) solar cells are among the most promising solar technologies on the market. These solar cells have numerous advantageous properties, including a nearly optimum bandgap, high efficiency and stability. ...

Mar 31, 2021 feature

0

330

Investigating the role of cobalt in rechargeable batteries to develop more effective cobalt-free cathodes

Many automotive companies worldwide are currently investing in the development of electric vehicles, which could help to reduce greenhouse gas emissions. Electric vehicles require large rechargeable batteries that exhibit ...

Mar 24, 2021 feature

0

168

Researchers harvest energy from radio waves to power wearable devices

From microwave ovens to Wi-Fi connections, the radio waves that permeate the environment are not just signals of energy consumed but are also sources of energy themselves. An international team of researchers, led by Huanyu ...

Mar 25, 2021

2

1105

Design could enable longer lasting, more powerful lithium batteries

Lithium-ion batteries have made possible the lightweight electronic devices whose portability we now take for granted, as well as the rapid expansion of electric vehicle production. But researchers around the world are continuing ...

Mar 25, 2021

1

101

First closeups of how a lithium-metal electrode ages

The same process that drains the battery of your cell phone even when it's turned off is even more of a problem for lithium-metal batteries, which are being developed for the next generation of smaller, lighter electronic ...

Mar 22, 2021

0

32

Mapping performance variations to see how lithium-metal batteries fail

Scientists have identified the primary cause of failure in a state-of-the-art lithium-metal battery, of interest for long-range electric vehicles. Using high-energy X-rays, they followed the cycling-induced changes at thousands ...

13 hours ago

0

19

Thermoelectric material discovery sets stage for new forms of electric power in the future

Thermoelectrics directly convert heat into electricity and power a wide array of items—from NASA's Perseverance rover currently exploring Mars to travel coolers that chill beverages.

Apr 16, 2021

0

721

Sunlight to solve the world's clean water crisis

Researchers at UniSA have developed a cost-effective technique that could deliver safe drinking water to millions of vulnerable people using cheap, sustainable materials and sunlight.

Apr 16, 2021

1

256

Experts' predictions for future wind energy costs drop significantly

Technology and commercial advancements are expected to continue to drive down the cost of wind energy, according to a survey led by Lawrence Berkeley National Laboratory (Berkeley Lab) of the world's foremost wind power experts. ...

Apr 15, 2021

1

27

Transparent nanolayers pave the way for production of silicon solar cells with more than 26% efficiency

There is no cheaper way to generate electricity today than with the sun. Power plants are currently under construction in sunny locations that will supply solar electricity for less than 2 cents per kilowatt hour. Solar cells ...