New concept (IMAGE)
Caption
Sodium is one of the most abundant and affordable metals in the world. Now researchers at Chalmers University of Technology, Sweden, present a concept that allows sodium-ion batteries to match the capacity of today's lithium-ion batteries. Using a novel type of graphene, they stacked specially designed graphene sheets with molecules in between. The new material allows the sodium ions (in green) to efficiently store energy.
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Image: Marcus Folino and Yen Strandqvist/Chalmers University of Technology
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