A battery includes: an electrode body; and a battery can housing the electrode body and having a bottom portion. The bottom portion has an arc-shaped groove. An opening angle of the groove with respect to a center of the bottom portion is 0.5 degrees or more and 56 degrees or less. A ratio of an inner diameter of the groove with respect to an outer diameter of the bottom portion is 44% or more and 77% or less.
BATTERY, BATTERY CAN, BATTERY PACK, ELECTRONIC DEVICE, ELECTRIC VEHICLE, ELECTRICITY STORAGE DEVICE, AND ELECTRIC POWER SYSTEM
2020-07-30
Patent
Elektronische Ressource
Englisch
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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
Europäisches Patentamt | 2020
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