BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING SAME

• Main Authors: JUNG, Ji-Min, JO, Min-Ki, KIM, Do-Gyun, LEE, Je-Jun, MIN, Geon-Woo, KIM, Hak-Kyun, CHOI, Su-Ji, KANG, Bo-Hyun, LIM, Hae-Jin, LIM, Jae-Won, HWANGBO, Kwang-Su, KIM, Jae-Woong
• Format: Patent
• Language: English; French; German
• Published: 13.09.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A battery according to an embodiment of the present disclosure includes an electrode assembly including a first electrode and a second electrode and a separator interposed between the first electrode and the second electrode, the first electrode, the second electrode and the separator being wound around a winding axis to define a core and an outer peripheral surface, wherein the first electrode and the second electrode include a first uncoated region and a second uncoated region along a winding direction, respectively, and an active material layer coating is absent in the first uncoated region and the second uncoated region; a housing receiving the electrode assembly through an opening formed at a bottom; a first current collector coupled to the first uncoated region and disposed within the housing; a cap covering the opening; a spacer interposed between the cap and the electrode assembly to fix the electrode assembly and seal the housing; and a terminal electrically connected to the second uncoated region.