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Start-up wants to beam solar energy from space to Earth
The US start-up Overview Energy wants to beam solar energy from space to Earth. The goal is to transmit sunlight…
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Sodium-ion battery from the Thuringian Forest
In order to advance the energy transition, cost-effective, safe and resource-saving energy storage systems are required. A new idea comes…
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Battery without lithium: aluminum-graphite battery charges in minutes
Researchers have developed a lithium-free battery that could make power grids safer and more sustainable. Aluminum and graphite as the…
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