Energy & Green Tech news

Engineering

Making solar cells more weatherproof: Researchers discover why humidity causes perovskite cells to fail

Dr. Tim Kelly calls it "the magic of science"—when what you think is going to happen doesn't, but what you learn in the process promises to inform advances in a new type of solar cell. Solar cells, which convert sunlight ...

Engineering

How non-toxic and efficient solar cells can be produced

Large-scale production of organic solar cells with high efficiency and minimal environmental impact. This can now be made possible through a new design principle developed at Linköping University, Sweden. In the study, published ...

Energy & Green Tech

Better ways to recover metals needed for technology from electronic waste could benefit the environment and human health

Our increasing reliance on technology is placing pressure on the global supply of materials that are essential for manufacturing electronic devices. Raw materials are being mined to cover the demand for smartphones, laptops, ...

Energy & Green Tech

Vietnam pushes electric motorbikes as pollution becomes 'unbearable'

In Vietnam's heavily polluted capital Hanoi, teenage taxi driver Phung Khac Trung rides his electric motorbike through streets jammed with two-wheelers belching toxic fumes.

Energy & Green Tech

Jet zero? Why net zero in aviation can't get off the ground

The airline industry is on course to miss its 2050 net zero target for aviation. Passenger numbers continue to soar, while alternatives to fossil fuels remain underdeveloped. Missing this target matters because aviation contributes ...

Energy & Green Tech

Scientists predict bright future for fly ash in water treatment

The world has the potential today to sustainably manage nearly one billion tons of ash waste it produces every year and turn it into a useful material for water treatment applications, according to a study by scientists from ...

Energy & Green Tech

Study offers holistic definition of sustainable aviation

In his sustainable aviation course, aerospace engineering professor Phil Ansell asked, "What does sustainability look like integrated to a system engineering process?" One of his student's answers became a new definition ...

Energy & Green Tech

Creating biohydrogen from wood waste

Up to now, wood waste has had to be disposed of at great expense and, at best, has been used to generate energy in incineration plants. Fraunhofer researchers are now using this valuable resource to produce biohydrogen in ...

Energy & Green Tech

AI-powered e-nose can detect oil spills efficiently

Researchers have trained an e-nose, which detects chemicals in the air, to identify the origin of oil based on the proportion of volatile organic compounds. Since oil is a mixture of different hydrocarbons present in varying ...

Energy & Green Tech

Is China charging ahead on the road to EV battery recycling?

China is perhaps in prime position when it comes to electric vehicle (EV) adoption, accounting for over 60% of worldwide sales in 2022. This dominant position makes it a critical player in addressing one of the most pressing ...

Engineering

Hydropower digital twins solution helps with operator challenges

No two hydropower facilities are the same. They all work similarly by harnessing the power of rushing water to spin turbines and generators, which in turn creates electricity. But their differences—in size, age or mechanical ...

Energy & Green Tech

Making jet engines fit for the hydrogen age

Europe is preparing for climate-neutral flight powered by sustainably produced hydrogen. Last year, the EU launched a project to support industry and universities in the development of a hydrogen-powered medium-haul aircraft. ...

Energy & Green Tech

Stabilizing lithium-ion batteries: The vanadium touch

As demand surges for electric vehicles and energy storage systems, lithium-ion batteries need to deliver higher energy densities at lower costs. While conventional cathode materials such as LiFePO4 and Li-Ni-Co-Mn-O are widely ...

Energy & Green Tech

Sacred cow: Coal-hungry India eyes bioenergy to cut carbon

Venerated as incarnations of Hindu deities, India's sacred cows are also being touted as agents of energy transition by a government determined to promote biogas production to cut its dependence on coal.