energy

313 Articles
Potassium-ion batteries may offer higher energy density than sodium-ion batteries
Tech

Potassium-ion batteries may offer higher energy density than sodium-ion batteries

Credit: Science and Technology of Advanced Materials (2025). DOI: 10.1080/14686996.2025.2518746 Potassium-ion batteries could have a higher energy density than sodium-ion batteries. This is...

Underwater turbine spinning for 6 years off Scotland’s coast is a breakthrough for tidal energy
Tech

Underwater turbine spinning for 6 years off Scotland’s coast is a breakthrough for tidal energy

In this October 2018 photo provided by MeyGen, tidal turbines are visible at the MeyGen tidal site located in the Inner Sound of...

‘Pylon wars’ show why big energy plans need locals on board
Tech

‘Pylon wars’ show why big energy plans need locals on board

Credit: Unsplash/CC0 Public Domain Thousands of new electricity pylons are to be built across parts of England under the government’s plans to decarbonize...

Why wind energy could face an economic squeeze
Tech

Why wind energy could face an economic squeeze

Credit: Pixabay/CC0 Public Domain Wind is doing a better job of displacing carbon from the electricity grid than it gets credit for, according...

Water For Data | Climate Crisis
World News

Water For Data | Climate Crisis

Our appetite for data is growing fast. And so is the number of data centres filled with computer servers. They store and process...

Ethiopia’s PM Abiy Ahmed says mega dam GERD on the Nile ‘now complete’ | Energy News
World News

Ethiopia’s PM Abiy Ahmed says mega dam GERD on the Nile ‘now complete’ | Energy News

Sudan and Egypt are concerned about its effect on their water supply, but Abiy says the dam will benefit them all. Ethiopia’s Prime...

Tough fuel cell can stabilize power grid by making and storing energy in extreme industrial conditions
Tech

Tough fuel cell can stabilize power grid by making and storing energy in extreme industrial conditions

Materials characterization. Credit: Nature Energy (2025). DOI: 10.1038/s41560-025-01800-1 To build a modern-day electrical grid with the flexibility and resilience to handle ebbing and...

From fertilizer to energy source of the future
Tech

From fertilizer to energy source of the future

Fraunhofer IMM pilot plant for ammonia cracking with ammonia cracking capaci-ty of 20 kg/h. Credit: Fraunhofer IMM Ammonia has been traditionally known for...

Reducing energy consumption with phase change materials
Tech

Reducing energy consumption with phase change materials

Production of PCM emulsions in the lab. Credit: Fraunhofer ISE Water has proven its value as a heat carrier, for example, when it...