A battery is provided. The battery includes a wound electrode body including a positive electrode, a negative electrode, and a separator interposed therebetween. In an inner circumferential part of the wound electrode body, an insulator is configured to cover at least a partial surface of the separator or a negative electrode collector surface surrounding a first space. The positive electrode or a positive electrode collector is absent in the first space surrounded by the negative electrode collector.
Battery, battery pack, electronic device, electromotive vehicle, power storage device, and electric power system
2024-03-19
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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