energy
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New tin anode is 440 times more powerful
Magnesium batteries could one day complement lithium-ion batteries. But so far they have failed because of a stubborn weak point:…
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How coal power slows down solar yield
Solar energy is intended to accelerate the transition to a clean power supply. But anyone who expands solar is not…
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New catalyst makes hydrogen cheaper
Green hydrogen could be a key to the energy transition. But so far, expensive precious metals such as platinum have…
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Why this quantum battery charges faster the bigger it gets
Classic batteries have a problem: the larger the capacity, the longer it takes to charge. Australian researchers have now developed…
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Autonomous hydrogen submarine dives 2,000 kilometers at a time
Autonomous underwater vehicles have so far quickly reached their limits: ranges that are too short, too many rescues and too…
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Iron flow battery: inexpensive long-term storage for green electricity
Lithium is expensive, scarce and geopolitically contested. But the energy transition requires cheap, long-term storage in large quantities. Chinese researchers…
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Iron and UV light produce hydrogen
Hydrogen is considered the energy source of the future. But production is often expensive and dependent on rare precious metals.…
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Can a wind tree for 70,000 euros compete with photovoltaics?
A wind tree with 36 leaf-shaped microturbines is intended to provide electricity even in low winds – around the clock,…
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Researchers obtain hydrogen from battery acid and plastic
Only 18 percent of the world’s plastic waste is recycled. The rest puts a strain on ecosystems. A team of…
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Why returns are often disappointing
A mini wind turbine sounds like a clever addition to the solar system on the roof. But consumer advocates are…
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