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Quick charging system for E-bikes

The e-bike market is booming. Thanks to electric support, cyclists can choose their routes more freely, elderly people can stay mobile, and commuters reach their workplace stress-free. This makes many people use bicycles ...

dateMar 21, 2019 in Energy & Green Tech
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Renewable energy solution for industrial heat applications

Researchers at the University of South Australia have developed a new technique that may greatly reduce industry's dependence on natural gas, combining renewable energy and low-cost thermal storage to deliver heat for high-temperature ...

Powering devices—with a desk lamp?

Batteries power most of our devices, and even some cars. But researchers now report in ACS Applied Materials & Interfaces a step toward running electronic devices in homes and offices on the light coming from lamps scattered ...

The dollars and sense of big batteries on the grid

As the mix of energy sources feeding power-hungry homes, businesses and industry comes to incorporate more renewables like wind and solar, society faces a reckoning with where to turn when wind and sunshine die down. What ...

Mixed-cation perovskite solar cells in space

With the continuous improvement of efficiency and stability, perovskite solar cells are gradually approaching practical applications. PSCs may show the special application in space where oxygen and moisture (two major stressors ...

How long until efficient fuel cells? Ask the experts

In the quest for the perfect alternative for gas-powered vehicles, there have been a lot of contenders over the years. When it comes to public perception, battery electric vehicles (BEVs) are some of the most widely known. ...

First flight success for drone-sized electric aircraft

If fully electric regional passenger jets someday fly from Cleveland to Atlanta, aviation historians will likely point out that the first successful in-air test of the battery technology making it possible happened on a frozen ...

Testing space batteries for cleaner skies

Engineers descended into bunkers to test space batteries to destruction – through overheating, overcharging, short circuits and even by shooting them with bullets. The three-year test campaign is helping assess the risk ...

Turning buildings into energy producers

Photovoltaics can be used directly in building and renovation projects and serve as a construction material in their own right. Integrating solar panels into facades and roofs can transform buildings into electricity producers ...

Fukushima: current state of the clean-up

Eight years have passed since a tsunami smashed into the Fukushima Daiichi nuclear plant in Japan, sparking a meltdown and the worst atomic crisis since Chernobyl.

Improving solar cell efficiency with a bucket of water

Looking at your cell phone, you realize the battery is low, which means you have to make another long walk into town to pay money to charge the device. By the time you get home, it's getting dark. You light the kerosene lamp ...

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