News

December 5, 2021

Salt breakthrough could halve the cost of storing solar energy

Danish startup accidentally developed the solution while working on nuclear research


Mimi Billing

4 min read

The team at nuclear startup Seaborg found out that their research findings could be used for renewable energy storage. Photo: Seaborg

One of the biggest difficulties with wind or solar energy is finding a good way to store it. Lithium-ion batteries are too expensive and need frequent replacing. Molten salt is a more efficient solution — but it tends to be better for storing heat rather than power. If you want both heat and power — for a low price — there have been few good options. Until now.

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Mimi Billing

Mimi Billing is Sifted's Europe editor, based in Stockholm. She covers the Nordics and can be found on X and LinkedIn

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