28 Nov '15, 10am

French researchers develop sodium-ion battery in 18650 format; performance comparable to Li-ion https://t.co/WgrPtq78M5

French researchers develop sodium-ion battery in 18650 format; performance comparable to Li-ion https://t.co/WgrPtq78M5

French researchers develop sodium-ion battery in 18650 format; performance comparable to Li-ion 27 November 2015 Researchers within the RS2E network on electrochemical energy storage (Réseau sur le stockage électrochimique de l’énergie) in France have developed the first sodium-ion battery in an 18650 format. The main advantage of the prototype is that it relies on sodium, an element far more abundant and less costly than lithium. The energy density of the new Na-ion cell is 90 Wh/kg, a figure comparable with the first lithium-ion batteries; its lifespan exceeds 2,000 care/discharge cycles. The cells are also capable of charging and delivering their energy very rapidly. While numerous other laboratories are also working on Na-ion batteries (e.g., earlier post ), none has yet announced the development of such an 18650 prototype. Six partner laboratories of the RS2E were inv...

Full article: http://www.greencarcongress.com/2015/11/20151127-rs2e.htm...

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