, have announced a major breakthrough in next-generation solid-state batteries. They have discovered a new chloride-based solid electrolyte with exceptional ionic conductivity, which is anticipated to enable the development of more efficient batteries.A pressing concern with current commercial batteries is their reliance on liquid electrolytes, which leads to flammability and explosion risks.
To make solid-state batteries practical for everyday use, it is crucial to develop materials with high ionic conductivity, robust chemical and electrochemical stability, and mechanical flexibility. While previous research successfully led to sulfide and oxide-based solid electrolytes with high ionic conductivity, none of these materials fully met all these essential requirements.
They first tested this theory on lithium yttrium chloride, a common lithium metal chloride compound. When the metal ions were positioned near the pathway of lithium ions, electrostatic forces caused obstruction in their movement. Conversely, if the metal ion occupancy was too low, the path for lithium ions became too narrow, impeding their mobility.
France Dernières Nouvelles, France Actualités
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