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Graphene-enhanced sodium-ion batteries show promise as cheap, effective lithium alternative

Researchers at Washington State University are working on graphene-based sodium-ion batteries that might provide a less expensive, viable alternative to lithium-ion batteries.

The researchers used tin oxide nanocrystals supported on a graphene structure to vastly improve the battery. The team explained that technology also could be used in lithium-ion batteries, making it more attractive for manufacturing.The research shows that the material greatly improved the charging capacity and rate of both types of batteries, and the hybrid material “exhibited outstanding electrochemical performance,” according to the team. The researchers also tested the materials in a full battery.