Energy & Green Tech

New 'water batteries' stay cool under pressure

A global team of researchers and industry collaborators led by RMIT University has invented recyclable 'water batteries' that won't catch fire or explode.

Energy & Green Tech

Could mini nuclear stations plug South Africa's power gaps?

South African nuclear scientists want to build a new generation of mini nuclear reactors, both to plug holes in their own country's blackout-plagued grid and to build an export industry for the future.

Energy & Green Tech

Cobalt-free electrodes achieved with nickel ions

Many electric vehicles are powered by lithium-ion batteries that rely on cobalt—a scarce, expensive metal with high environmental and social costs. A team of researchers from Japanese and French universities has now developed ...

Engineering

Wind-powered Dutch ship sets sail for greener future

The world's first chemical tanker ship fitted with massive rigid aluminum "sails" has left Rotterdam, its owner hoping to plot a route to bringing down the shipping industry's huge carbon footprint.

Energy & Green Tech

Sodium-ion batteries: How doping works

Sodium-ion batteries still have a number of weaknesses that could be remedied by optimizing the battery materials. One possibility is to dope the cathode material with foreign elements. A team from HZB and Humboldt-Universität ...

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