Argonne researchers find cathode material synthesis a key reason for performance degradation of sodium-ion batteries
https://www.greencarcongress.com/2022/03/20220325-argonne.html
"degradation intensified when cycling cathodes at high temperature (130 degrees Fahrenheit) or with fast charging (one hour instead of 10 hours). Our insights are extremely important for the large-scale manufacturing of improved sodium-ion cathodes. Because of the large amount of material involved, say, 1000 kilograms, there will be a large temperature variation, which will lead to many defects forming unless appropriate steps are taken"
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