Energy & Green Tech

Graphene unlocks the promise of lithium sulfur batteries

Many battery scientists are interested in the potential of lithium sulfur batteries because, at least in theory, they offer a high energy density at relatively low cost. However, lithium sulfur batteries face a number of ...

Energy & Green Tech

All-in-one solar-powered tower makes carbon-neutral jet fuel

Researchers have designed a fuel production system that uses water, carbon dioxide (CO2), and sunlight to produce aviation fuel. They have implemented the system in the field, and the design, publishing July 20 in the journal ...

Engineering

Hydrogen-powered drives for e-scooters

Hydrogen is regarded by many as the future of propulsion technology. The first hydrogen-powered cars are already in action on German roads. In the case of e-scooters, however, installation of a high-pressure tank to store ...

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