BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING THE SAME

• Main Authors: JUNG, Ji-Min, JO, Min-Ki, MIN, Geon-Woo, KIM, Do-Gyun, LEE, Je-Jun, KIM, Hak-Kyun, CHOI, Su-Ji, KANG, Bo-Hyun, LIM, Hae-Jin, LIM, Jae-Won, HWANGBO, Kwang-Su
• Format: Patent
• Language: English
• Published: 18.04.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A battery includes an electrode assembly including a first electrode, a second electrode and a separator between the first electrode and the second electrode wound around a winding axis to define a core and an outer circumferential surface, the first electrode including a first uncoated region in which an active material layer is not coated along a winding direction; a housing accommodating the electrode assembly through an open portion at a lower end thereof; a first current collector coupled to the first uncoated region and disposed in the housing; a cap to cover the open portion; and a spacer between the first current collector and the cap and having a height corresponding to a distance between the first current collector and the cap.