A method of performing a high-temperature aging process of a rechargeable cell (10) comprising an anode (12), a cathode (16), an electrolyte (22) and a separator (20), is provided. The method includes heating a solid electrolyte interface (24) formed on the anode (12) to a predetermined temperature at which a saturated ionic conductivity of the solid electrolyte interface (24) is elevated, and holding the solid electrolyte interface (24) at the predetermined temperature for a predetermined minimum time at which ionic conductivity of the SEI becomes saturated.
Lithium-ion battery high temperature aging process
2021-06-01
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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