Business · GB ·
US start-ups develop sodium-ion batteries for domestic and European markets
BBC News · Business
Published · Updated
- San Diego-based Unigrid sells nine kilowatt hour batteries for home power storage.
- The company has shipped 100 units to Europe and expects to ship 1,000 before year-end.
- Sodium-ion batteries could be cheaper to build than lithium-ion and work at temperatures down to minus 40C.

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