Energy & Green Tech news

Energy & Green Tech

High-energy-density capacitors with 2D nanomaterials could significantly enhance energy storage

In the quest for more efficient and sustainable energy solutions, a multi-university research team has reached a significant milestone in capacitor technology. Researchers from the University of Houston, Jackson State University ...

Engineering

Study shows potential of super grids when hurricanes overshadow solar panels

When hurricanes threaten tropical shores, "super grids" could come to the rescue.

Engineering

Going with the flow: Research dives into electrodes on energy storage batteries

As a grid-scale energy storage system, flow batteries have gained increasing attention as a means to address the challenges associated with fluctuations and intermittency in renewable energy sources.

Energy & Green Tech

Ultra-thin, flexible solar cells demonstrate their promise in a commercial quadcopter drone

Whether on Earth or in space, autonomous energy is critical in order to keep power systems running independently for extended periods of time, particularly in remote or unpredictable environments.

Energy & Green Tech

New survey finds positive perceptions of solar projects

As solar energy development accelerates, how do Americans actually feel about those large scale solar, or LSS, farms they see along the highway or near their neighborhood? A new survey has found that for residents living ...

Energy & Green Tech

Storing and utilizing energy with innovative sulfur-based cathodes

Electric vehicles and portable electronic devices such as laptops and mobile phones are unthinkable without lithium-ion batteries. The problem is highly toxic materials such as cobalt are often used for the cathodes of these ...

Energy & Green Tech

Salt battery harvests osmotic energy where the river meets the sea

Estuaries—where freshwater rivers meet the salty sea—are great locations for birdwatching and kayaking. In these areas, waters containing different salt concentrations mix and may be sources of sustainable, "blue" osmotic ...

Energy & Green Tech

Ion thermoelectric conversion devices for near room temperature

The electrode sheet of a thermoelectric device consists of ionic hydrogel, which is sandwiched between the electrodes to form, and the Prussian blue on the electrode undergoes a redox reaction to improve the energy density ...

Energy & Green Tech

Denmark launches its biggest offshore wind farm tender

The Danish Energy Agency on Monday launched its biggest tender for the construction of offshore wind farms, aimed at producing six gigawatts by 2030—more than double Denmark's current capacity.

Engineering

Greater access to clean water, thanks to a better membrane

Water scarcity around the world is a bigger problem than ever, and desalination is critical to solving it. The best available technologies for separating salt from seawater, though, are costly and require a great deal of ...

Engineering

Houses made of waste changing lives in South America

Homes made of discarded plastic bottles, construction waste and old tires are being built across Latin America as new technologies help turn municipal waste into sustainable bricks and tiles.

Engineering

Floating solar's potential to support sustainable development

A study, published in Nature Energy, is among the first to explore the floating photovoltaics (FPV) at the continental scale, finding that FPV installed at existing major reservoirs could produce 20–100% of the electricity ...

Electronics & Semiconductors

Harvesting vibrational energy from 'colored noise'

The energy demands of today's ubiquitous small electronic devices—including sensors, data transmitters, medical implants and 'wearable' consumer products such as Fitbits—can no longer be met by chemical batteries alone. ...

Electronics & Semiconductors

New understanding of energy losses in emerging light source

The light-emitting electrochemical cell (LEC) can be fabricated in a sustainable and cost-effective way on both rigid and flexible surfaces making it suitable for a broad range of applications, like illumination, health care, ...