Spongy wood nanogenerators make for energy-harvesting smart floors

There are untold energy sources all around us, if we can just figure out how to tap into them. Swiss researchers have now demonstrated an environmentally friendly way to make spongy wood flooring that can generate electricity with every step.

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Weak electrolyte bonds keep lithium metal battery running in the cold

Scientists have made a breakthrough around how lithium-metal batteries function at ultra-low temperatures, building a version that relies on weak bonds in its electrolyte to offer unprecedented performance in the cold.

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World’s largest hydrogen “green steel” plant to open in Sweden by 2024

The steel industry is responsible for around 8 percent of all global carbon emissions annually, and decarbonizing it will require an enormous effort. H2GS plans to lead the way with the world's largest fossil-free steel plant, using green hydrogen.

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Hydrogen projects worth $300 billion are dropping green H2 prices fast

A new Hydrogen Council report sheds some light on Hydrogen's rise as a green fuel source. Green H2 production prices are falling faster than expected, and some 228 projects are in the pipeline globally, most of which were announced in the last year.

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Big oil invests in Eavor’s “holy grail” pump-free geothermal loops

BP and Chevron have led a US$40 million investment round for a Canadian startup that claims to have developed a unique way to extract energy from geothermal heat on demand, using an unpowered looping fluid design that's already prototyped in Alberta.

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Vestas reveals offshore turbine with world’s largest sweep

Denmark's Vestas is looking to become an industry leader in offshore wind, and has introduced the V236-15.0 MW turbine to take the fight to GE. The new design's blades offer the largest swept area in the world.

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Fully foldable solar cell bends in half without breaking

Picture solar panels, and you’re most likely picturing a solid square slab. But the tech is becoming more flexible, and now engineers at Pusan National University in Korea have developed prototype solar cells that are fully foldable.

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Experimental “blowhole” wave energy generator goes online down under

A 200-kilowatt demonstration version of Wave Swell Energy's fascinating "blowhole" power generator has been deployed at Grassy Harbour on King Island, off the Australian island state of Tasmania, and will be connected to the grid in the coming months.

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Hybrid supercapacitor offers NiMH energy density, charges much faster

Researchers at the Queensland University of Technology have added another hybrid supercapacitor design to the mix, promising the near-instant charge and discharge of a supercap with vastly improved energy storage on par with NiMH batteries.

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World-first home hydrogen battery stores 3x the energy of a Powerwall 2

Australian company Lavo has debuted a hydrogen production, storage and conversion system for the home. It stores up to two days' worth of energy from your rooftop solar – and should outlast a lithium battery by many years. So what's the catch?

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