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energy storage system

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If the transition to renewables is to succeed, we will need a viable means of storing surplus heat and electricity. Globe spoke to experts from ETH Zurich about the promising technologies that could help us reach net zero.

Electricity and heat on demand

By making use of steam and iron pellets, hydrogen can be created with the only byproduct being rust and heat. By regenerating the rust with hydrogen, a completely circular, compact, safe and energy efficient hydrogen storage method is created.

Iron-based Hydrogen Storage

Together with European research partners, the German Aerospace Center (DLR) has developed a process that can generate electricity in a climate-neutral way using sulphur and solar energy. Initial tests with a pilot-scale plant have now been successfully completed.

Solar energy storage using sulphur

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