Method for manufacturing secondary battery and pouch for secondary battery

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12243975
APP PUB NO 20230411671A1
SERIAL NO

18238013

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method for manufacturing a secondary battery includes a forming step of pressing a pouch sheet by using a press die so that left and right accommodation grooves, which are bilaterally symmetrical to each other and are opened upward, and a bridge connecting the left and right accommodation grooves to each other are formed in the pouch sheet, wherein the bridge protrudes upward with respect to bottom surfaces of the left and right accommodation grooves, and a curved portion having a rounded shape is formed on an upper end of the bridge, a seating step of seating an electrode assembly in one of the left and right accommodation grooves, and a folding step of folding the pouch sheet so that the left and right accommodation grooves face each other.

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Patent Owner(s)

  • LG ENERGY SOLUTION, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Sang Wook Daejeon, KR 116 874
Lee, Dae Won Daejeon, KR 592 10222
Park, Dong Hyeuk Daejeon, KR 60 28
Park, Sung Chul Daejeon, KR 90 504

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 4, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 4, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 4, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00