PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery with high cycle performance, which includes a negative electrode that contains a composite oxide containing titanium and niobium.SOLUTION: A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains a composite oxide containing titanium and niobium. The nonaqueous electrolyte contains at least one compound selected from a compound including one P=O bond or a compound including two P=O bonds, the P=O bond having a substituent selected from among an alkyl group, an alkyl group having an unsaturated bond or ether bond or amine or halogen as a part of a structure, an aromatic group, an alkoxy group, halogen, and a hydroxy group.SELECTED DRAWING: None
Nonaqueous electrolyte battery, battery pack, and vehicle
2020-04-21
Patent
Electronic Resource
English
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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