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公开(公告)号:US20240235225A1
公开(公告)日:2024-07-11
申请号:US18405055
申请日:2024-01-05
申请人: SK On Co., Ltd.
发明人: Chang Mook HWANG , Gyeong Min RYU , Hyun Ji KIM , Ha Neul SONG
CPC分类号: H02J7/0044 , H02J7/0013 , H02J7/0047 , H05K7/20909
摘要: The present disclosure relates to an apparatus for charging and discharging, comprising: a case; a first chamber and a second chamber positioned in the case along width direction of the case and configured to accommodate a first battery cell and a second battery cell respectively; a module chamber positioned inside the case and outside the first chamber and the second chamber; a charging/discharging module portion positioned in the module chamber and charging and discharging the first battery cell and the second battery cell; a module hole formed through one face of the case to communicate the module chamber with the outside of the case; and an air treatment portion provided inside the case to supply air to the module chamber at a temperature lower than an external temperature, which is a temperature outside the case.
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公开(公告)号:US20230116666A1
公开(公告)日:2023-04-13
申请号:US17961387
申请日:2022-10-06
申请人: SK ON CO., LTD.
发明人: Chang Mook HWANG , Sin Young MOON , Jong Hyeok LEE , Yoon Ji JO
IPC分类号: H01M50/105 , H01M10/052 , H01M50/211 , H01M50/538 , H01M10/42
摘要: A lithium secondary battery according to embodiments of the disclosed technology includes a pouch that includes a first pouch case including a first peripheral portion and a first conductive unit formed at the first peripheral portion, and a second pouch case including a second peripheral portion and a second conductive unit formed at the second peripheral portion, the second pouch case being sealed with the first pouch case, and an electrode assembly accommodated in the pouch. The first conductive unit and the second conductive unit are in contact with each other to form an electric circuit along the first peripheral portion or the second peripheral portion.
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公开(公告)号:US20230111027A1
公开(公告)日:2023-04-13
申请号:US17961404
申请日:2022-10-06
申请人: SK ON CO., LTD.
发明人: Chang Mook HWANG , Sin Young MOON , Yoon Ji JO
IPC分类号: H01M50/105 , H01M10/0587 , H01M50/533 , H01M50/184 , H01M10/48 , H01M50/204
摘要: A lithium secondary battery according to embodiments of the disclosed technology includes a pouch and an electrode assembly accommodated in the pouch. The pouch includes a first pouch case including a first peripheral portion and a first magnetic unit formed at the first peripheral portion, and a second pouch case including a second peripheral portion and a second magnetic unit formed at the second peripheral portion. The second magnetic unit has an opposite polarity from that of the first magnetic unit, and the second pouch case is sealed with the first pouch case.
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4.
公开(公告)号:US20240168096A1
公开(公告)日:2024-05-23
申请号:US18335564
申请日:2023-06-15
申请人: SK ON CO., LTD.
发明人: Chang Mook HWANG , Na Eun GIL , Hyun Ji KIM , Jong Hyeok LEE , Yoon Ji JO
IPC分类号: G01R31/374 , G01R31/36 , G01R31/3835 , G01R31/392 , H02J7/00
CPC分类号: G01R31/374 , G01R31/3644 , G01R31/3835 , G01R31/392 , H02J7/0048 , H02J7/00712
摘要: The present invention provides an apparatus and a method for evaluating performance of a battery and equipment for transporting the battery. The battery performance evaluation apparatus of the present invention includes: a temperature measurement unit for measuring an aging temperature of the battery; a voltage measurement unit for measuring a first open circuit voltage of the battery at the start of aging and measuring a second open circuit voltage of the battery at the end of aging; and a processor for calculating a delta voltage of a voltage drop using a difference between the first open circuit voltage and the second open circuit voltage measured by the voltage measurement unit, and determining normal or defective of the battery based on the delta voltage calculated using the aging temperature measured by the temperature measurement unit and an aging period between measurement times of the first and second open circuit voltage.
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5.
公开(公告)号:US20240145862A1
公开(公告)日:2024-05-02
申请号:US18496762
申请日:2023-10-27
申请人: SK ON CO., LTD.
发明人: Chang Mook HWANG , Hyun Ji KIM , Jong Hyeok LEE , Yoon Ji JO
IPC分类号: H01M50/406 , H01M50/431 , H01M50/434 , H01M50/443 , H01M50/446
CPC分类号: H01M50/406 , H01M50/431 , H01M50/434 , H01M50/443 , H01M50/446
摘要: Provided are a separator for a secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, having appropriate porosity and an appropriate pore size to lead to excellent strength and safety, and having excellent ion conductivity and resistance characteristics due to interconnected pore passages. The manufacturing method of a separator for a secondary battery includes: molding a separator manufacturing composition into a separator manufacturing sheet; and extracting a diluent from the separator manufacturing sheet with a polar aprotic organic solvent.
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6.
公开(公告)号:US20230187797A1
公开(公告)日:2023-06-15
申请号:US18063750
申请日:2022-12-09
申请人: SK On Co., Ltd.
发明人: Chang Mook HWANG , Hee Soo NA , Ga Yeong YOO , Moo Hyung LEE
IPC分类号: H01M50/682
CPC分类号: H01M50/682
摘要: A lithium secondary battery includes an electrode assembly including a cathode and an anode facing the cathode, a case accommodating the electrode assembly, an electrolyte accommodated in the case together with the electrode assembly, and an electrolyte storage unit inserted into the case to supply a supplementary replenishment. The electrolyte storage unit includes a first unit including a first body having a tubular structure and first holes formed through the first body, and a sub-unit including a tubular body and sub-holes formed through the tubular body. The sub-unit is inserted into the first unit so that the sub-holes are offset from the first holes.
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7.
公开(公告)号:US20230187782A1
公开(公告)日:2023-06-15
申请号:US18078527
申请日:2022-12-09
申请人: SK On Co., Ltd.
发明人: Chang Mook HWANG , Yae Seol NAM , Jong Hyeok LEE , Yoon Ji JO
IPC分类号: H01M50/451 , H01M50/417 , H01M50/446 , H01M50/434 , H01M50/426 , H01M50/489 , H01M50/403
CPC分类号: H01M50/451 , H01M50/403 , H01M50/417 , H01M50/426 , H01M50/434 , H01M50/446 , H01M50/489
摘要: Exemplary embodiments of the present disclosure provide a separator for a secondary battery, capable of preventing heat from transferring to an adjacent region in an electrode even when non-ideal heat is generated by an electrode active material, a trigger point of thermal runaway. A separator for a secondary battery according to the present disclosure includes a porous polymer substrate and a ceramic layer provided on at least one surface of the porous polymer substrate. The ceramic layer includes a ceramic composite. The ceramic composite includes a hollow portion, a ceramic shell surrounding the hollow portion, and a doping material dispersed in the ceramic shell. The hollow portion is in a vacuum state.
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公开(公告)号:US20230066639A1
公开(公告)日:2023-03-02
申请号:US17896064
申请日:2022-08-25
申请人: SK ON CO., LTD.
发明人: Chang Mook HWANG , Jong Hyeok LEE , Yoon Ji JO
IPC分类号: H01M50/105 , H01M50/178 , H01M50/14 , H01M50/193 , H01M50/186
摘要: A pouch for a secondary battery having improved stability to an external force and an internal pressure and a secondary battery including the pouch are disclosed. In an aspect, a pouch for a secondary battery implemented based on some embodiments of the disclosed technology includes a pouch cup including a battery cell accommodating portion, a tab receiving portion formed at one end portion of the pouch cup to be in communication with one end of the battery cell accommodating portion, a supporting portion adjacent to the tab receiving portion at the one end portion of the pouch cup to be separated from the battery cell accommodating portion and the tab receiving portion, the supporting portion comprising a plurality of columns in the supporting portion, and a reinforcing film attached on an outer wall of the supporting portion, the reinforcing film including a material different from that of the outer wall of the supporting portion.
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公开(公告)号:US20220352577A1
公开(公告)日:2022-11-03
申请号:US17733073
申请日:2022-04-29
申请人: SK ON CO., LTD.
发明人: Chang Mook HWANG , Ji Hyung KIM , Gyeong Min RYU , Sin Young MOON , Yoon Ji JO
IPC分类号: H01M10/6572 , H01M10/654
摘要: A secondary battery is provided in the present application. The secondary battery includes an electrode assembly including a cathode and an anode facing the cathode, thermoelectric elements columns arranged on a surface of the electrode assembly, and a circuit structure that electrically connects the thermoelectric element columns. The circuit structure includes a series/parallel switching unit configured to switch a connection between the thermoelectric element columns from a series connection to a parallel connection or from a parallel connection to a series connection. The thermoelectric element columns are connected selectively in parallel or in series to improve rapid charging and life-span properties.
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公开(公告)号:US20230378620A1
公开(公告)日:2023-11-23
申请号:US18316232
申请日:2023-05-12
申请人: SK On Co., Ltd.
发明人: Seo Roh RHEE , Ji San KIM , Tak Kyung YOO , Chang Mook HWANG
IPC分类号: H01M50/533 , H01M50/105 , H01M50/188 , H01M50/178 , H01M50/507 , H01M50/211
CPC分类号: H01M50/533 , H01M50/105 , H01M50/188 , H01M50/178 , H01M50/507 , H01M50/211
摘要: A pouch-type battery cell includes an electrode assembly formed by stacking a plurality of electrode plates, a pouch having an electrode accommodating portion accommodating the electrode assembly therein and a sealing portion sealing at least a portion of a circumference of the electrode accommodating portion, and electrode leads electrically connected to the electrode assembly and exposed to an outside of the pouch through the sealing portion. The electrode leads are exposed to the outside of the pouch through a first sealing portion formed at a corner of the pouch among the sealing portion.
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