According to one embodiment, there is provided a secondary battery including a positive electrode, a negative electrode, and an aqueous electrolyte. The negative electrode contains a titanium-containing oxide. The aqueous electrolyte contains a solvent and alkali metal ions or alkaline earth metal ions, the solvent containing water and a water-soluble organic solvent. An interfacial tension of the aqueous electrolyte is 37 mN/m or less.
Secondary battery, battery pack, vehicle, and stationary power supply
2020-12-15
Patent
Elektronische Ressource
Englisch
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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