Energy & Green Tech news
Energy & Green Tech
Researchers develop sodium battery capable of rapid charging in just a few seconds
Sodium (Na), which is over 500 times more abundant than lithium (Li), has recently garnered significant attention for its potential in sodium-ion battery technologies. However, existing sodium-ion batteries face fundamental ...
21 hours ago
0
75
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 ...
22 hours ago
0
14
A flexible and efficient DC power converter for sustainable-energy microgrids
A new DC-DC power converter is superior to previous designs and paves the way for more efficient, reliable and sustainable energy storage and conversion solutions. The Kobe University development can efficiently interface ...
23 hours ago
0
17
South Africa's electricity crisis: A series of failures over 30 years have left a dim legacy
In 1994, apartheid ended and the African National Congress (ANC) won South Africa's first ever democratic elections, promising "Electricity for All" as part of its Reconstruction and Development Program.
21 hours ago
0
14
Study unlocks opportunities to bridge the US wind energy workforce gap
U.S. land-based and offshore wind energy markets are expected to grow significantly over the next few decades. With this growth, the demand for properly trained wind energy workers will also increase to meet national deployment ...
20 hours ago
0
10
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.
23 hours ago
0
3
Energy & Green Tech
Versatile fibers offer improved energy storage capacity for wearable devices
The latest wearable devices, such as Samsung's Galaxy Ring and Apple's Vision Pro, are taking health care a step further and even enabling people to work virtually. Given the characteristics of wearable devices that require ...
Apr 19, 2024
0
17
Engineering
Harnessing solar energy for high-efficiency NH₃ production
A technology that harnesses solar energy to produce high-efficiency ammonia (NH3) has been unveiled by a research team affiliated with UNIST.
Apr 19, 2024
0
56
Consumer & Gadgets
Climate change will increase value of residential rooftop solar panels across US, study finds
Climate change will increase the future value of residential rooftop solar panels across the United States by up to 19% by the end of the century, according to a new University of Michigan-led study.
Apr 19, 2024
0
6
Electronics & Semiconductors
Proof-of-concept nanogenerator turns CO₂ into sustainable power
University of Queensland researchers have built a generator that absorbs carbon dioxide (CO2) to make electricity.
Apr 18, 2024
2
103
Energy & Green Tech
Garbage could replace a quarter of petroleum-based jet fuel every year
Every year, the nation's aviation industry uses around 22 billion gallons of jet fuel, which produces about 1 billion tons of carbon dioxide—or 3% of the world's carbon dioxide emissions. Because of this, researchers and ...
Apr 18, 2024
1
51
Energy & Green Tech
Mess is best: Disordered structure of battery-like devices improves performance
The energy density of supercapacitors—battery-like devices that can charge in seconds or a few minutes—can be improved by increasing the 'messiness' of their internal structure.
Apr 18, 2024
0
42
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 ...
Apr 18, 2024
0
42
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. ...
Apr 18, 2024
0
16
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, ...
Apr 18, 2024
0
41
Electronics & Semiconductors
Universal 'cocktail electrolyte' developed for 4.6 V ultra-stable fast charging of commercial lithium-ion batteries
Lithium-ion batteries (LIBs), mainly used as the power of computer, communication and consumer electronic products, require higher energy density, longer cycling life, faster-charging capability, and a broader operating temperature ...
Apr 18, 2024
0
13
Energy & Green Tech
Scientists urge action over life-threatening pollution from solar power waste in Africa
Researchers from The University of Manchester investigating waste management practices for off-grid solar technologies in Malawi have discovered life-threatening quantities of lead pollution from improperly managed battery ...
Apr 18, 2024
0
16
