Battery Cell with Atypical Sticker Type Protective Tape
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
Dec 7, 2022
filing date -
Dec 7, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A battery cell for a secondary battery includes an electrode assembly including a cathode, an anode, and a separator incorporated in a battery case, the cathode has a cathode tab extending from a cathode current collector formed on one side, and the anode has an anode tab extending from an anode current collector formed on one side, at the top area of the electrode assembly where the cathode tab and the anode tab protrude, the cathode tab and the anode tab each have a first bent portion and a second bent portion that are bent in a v shape, a sticker type protective tape is attached to at least one of the first bent portion and the second bent portion, and top areas of the electrode assembly adjacent to the first and second bent portions so as to cover them, and the sticker type protective tape has an atypical shape.
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