Assembling a cell to test sodium-ion (Na-ion), battery materials in a glove box. Credit: ©Cyril FRESILLON/CSE/CNRS Photothèque
An alternative technology to Li-ion has been designed for application in specific sectors. The researchers have developed the first battery using sodium ions in the usual “18650” format, an industry standard. The main advantage of the prototype is that it relies on sodium, an element far more abundant and less costly than lithium. The batteries have displayed performance levels comparable to their lithium counterparts, and this new technology is already attracting industrial interest. It could be used to store renewable energies in the future, say researchers.
The 1st step was to find the ideal “recipe” for the cathode of the battery...
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