Secondary battery sealing process and secondary battery manufacturing method comprising the same
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 28, 2025
Grant Date -
Jun 8, 2023
app pub date -
Aug 11, 2021
filing date -
Aug 11, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a sealing process for a secondary battery of the present invention, which thermally fuses and seals a sealing portion that extends along an edge surface of a battery case, the sealing process comprising: an arrangement operation of disposing the sealing portion of the battery case between an anvil and a horn; a first region-fixing operation of pressing and fixing a first region of the sealing portion through the anvil and the horn; and a first region-primary sealing operation of applying an ultrasonic wave to the first region of the sealing portion through the horn at a set frequency and a set amplitude for a set time, thereby thermally fusing the first region of the sealing portion.
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