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公开(公告)号：US09880207B2
公开(公告)日：2018-01-30
申请号：US14916365
申请日：2014-05-21
Applicant: LG CHEM, LTD.
Inventor： Joon Sang Ko , Sang Wook Kang , Jae Dong Chang , Do Hun Kim , Hyang Mok Lee
CPC classification number: G01R19/165 , G01R1/203 , G01R31/36 , G01R31/3631 , G01R35/005 , G01R35/007 , H01M10/48 , H02J7/0021 , H02J7/0042 , H02J7/0068
Abstract: Disclosed herein is a detector that detects precision in charging current of a battery cell charging and discharging device, the detector including an instrument unit and a power supply unit, wherein the instrument unit includes a housing formed in a box shape open at a top thereof and a plurality of voltage measurement parts including a pair of connection terminals mounted at opposite sides of the housing inside the housing to detect precision in current of the charging and discharging device, the connection terminals being electrically connected to the power supply unit, and shunt resistance parts to apply uniform resistance to the respective connection terminals, and the power supply unit includes a charging and discharging device to supply current to the voltage measurement parts and to charge and discharge a battery cell and a multi-meter to measure current and voltage of the shunt resistance parts.
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公开(公告)号：US11563232B2
公开(公告)日：2023-01-24
申请号：US16476726
申请日：2018-09-21
Applicant: LG Chem, Ltd.
Inventor： Joon Sang Ko , Kwan Bo Lee , Jae Hong Kim , Su Ho Lee
IPC: H01M10/04
Abstract: The present invention relates to a lamination apparatus for a secondary battery, which thermally bonds an electrode assembly in which electrodes and separators are alternately stacked, the lamination apparatus comprising: a transfer member to transfer the electrode assembly; a support member to support each of top and bottom surfaces of the electrode assembly transferred by the transfer member; a heating member disposed outside the support member to heat the electrode assembly supported by the support member; and a moving member to move the heating member in a direction away from the electrode assembly.
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公开(公告)号：US11349145B2
公开(公告)日：2022-05-31
申请号：US16698564
申请日：2019-11-27
Applicant: LG CHEM, LTD.
Inventor： Joon Sang Ko , Chang Bum Ahn , Young Joo Yang
IPC: H01M10/04 , H01M10/0585 , H01M50/116 , H01M50/147 , H01M50/148 , H01M50/183 , H01M4/02
Abstract: The present invention relates to a secondary battery. The secondary battery comprises: an electrode assembly having a through-hole; and a battery case accommodating the electrode assembly and having a through-type opening into which the through-hole is inserted, wherein the battery case comprises: a lower case comprising an accommodation part accommodating the electrode assembly and a lower inner sealing part having the through-type opening into which the through-hole is inserted; and an upper case comprising a cover part coupled to an upper portion of the lower case to finish the accommodation part and an upper inner sealing part having a coupling hole to which a front end of the lower inner sealing part is coupled.
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公开(公告)号：US10530005B2
公开(公告)日：2020-01-07
申请号：US15579335
申请日：2016-11-30
Applicant: LG CHEM, LTD.
Inventor： Joon Sang Ko , Chang Bum Ahn , Young Joo Yang
Abstract: The present invention relates to a secondary battery. The secondary battery comprises: an electrode assembly having a through-hole; and a battery case accommodating the electrode assembly and having a through-type opening into which the through-hole is inserted, wherein the battery case comprises: a lower case comprising an accommodation part accommodating the electrode assembly and a lower inner sealing part having the through-type opening into which the through-hole is inserted; and an upper case comprising a cover part coupled to an upper portion of the lower case to finish the accommodation part and an upper inner sealing part having a coupling hole to which a front end of the lower inner sealing part is coupled.
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