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公开(公告)号:US20230140593A1
公开(公告)日:2023-05-04
申请号:US17911985
申请日:2021-02-26
发明人: Dae Kyu KIM , Jin Young MOON , Bo Ram LEE
IPC分类号: H01M10/04 , H01M50/169
摘要: An embodiment of the present invention relates to a cylindrical secondary battery comprising: a cylindrical can; an electrode assembly accommodated in the cylindrical can; and a cap assembly comprising a cap-up, a cap-down arranged under the cap-up, a vent plate which is arranged between the cap-up and the cap-down, is separated from the cap-down, and has at least one notch formed thereon, and an insulating member inserted between the vent plate and the cap-down so as to insulate the vent plate and the cap-down from each other, wherein the cap assembly may further comprise a support member inserted between the vent plate and the cap-down, separated from the insulating member, and arranged on the inner side of the insulating member. According to the present invention; a deformation portion of a safety vent is supported to prevent deformation of the safety vent if stress occurs, and thus vent fracture can be stabilized.
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公开(公告)号:US20230138421A1
公开(公告)日:2023-05-04
申请号:US17951299
申请日:2022-09-23
发明人: Seungjae LEE , Jongwoo WON , Chang Ju SHIN , Changwoo KIM , Youngkyoung JO , Hyung Sun KIM , Sung-Hyun JUNG , Il Geun HONG
IPC分类号: C07D403/14 , H01L51/00
摘要: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:
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公开(公告)号:US20230133220A1
公开(公告)日:2023-05-04
申请号:US17934738
申请日:2022-09-23
发明人: Yong Chan KIM , Dong Hyuk KIM , Bo Hyun KIM , Mun Ho NAM , Jeong Won OH
摘要: A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; and an insulating member between the electrode assembly and the cap plate, and a relationship of M/E=R1 is satisfied, where M is a melting point (° C.) of the insulating member, E is an energy density (Wh/kg) of the secondary battery, and R1 is 0.5 to 3.5.
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公开(公告)号:US11641040B2
公开(公告)日:2023-05-02
申请号:US16775696
申请日:2020-01-29
发明人: Jong Wook Yoon
IPC分类号: H01M10/6551 , H01M10/6552 , H01M50/209
摘要: A battery pack having improved heat dissipation performance is provided. A battery pack includes battery cells; a module accommodating the battery cells and including heat dissipation members located between neighboring battery cells of the battery cells; and a duct to supply the module with coolant or absorb coolant from the module, and each of the heat dissipation members has a first region and a second region opposite to the first region, the first region having a smaller height than the second region to establish a path of the coolant.
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公开(公告)号:US20230128073A1
公开(公告)日:2023-04-27
申请号:US17972695
申请日:2022-10-25
发明人: Minsuk LEE , Suyeol RYU , Hongjeong KIM , Younggyoon RYU , Jaegu YOON
IPC分类号: H01M10/42 , H01M10/0585
摘要: An all-solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer. The cathode layer includes a cathode active material layer and a flame-retardant inactive member located on and in contact with the solid electrolyte layer and has a rectangular enclosure shape surrounding side surfaces of the cathode active material layer, wherein the flame-retardant inactive member includes a pair of first side portions and a pair of second side portions connected to the first side portions, the first side portions having uncoated portion corresponding portions corresponding to a cathode uncoated portion of a cathode current collector and an anode uncoated portion of an anode current collector, respectively, and wherein a width of the uncoated portion corresponding portion of the first side portion is greater than a width of the remaining portion of the first side portion.
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公开(公告)号:US11637323B2
公开(公告)日:2023-04-25
申请号:US16601744
申请日:2019-10-15
发明人: Jihyun Jang , Myongchun Koh , Jinah Seo
IPC分类号: H01M10/0569 , H01M10/0567 , H01M10/0568 , H01M4/36 , H01M4/38 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M4/587
摘要: A lithium battery including: a cathode; an anode; and an electrolyte between the cathode and the anode, wherein the electrolyte includes a lithium salt and a non-aqueous solvent including ethylene carbonate (EC), an amount of the EC per 100 parts by volume of the non-aqueous solvent is about 5 parts by volume to about 15 parts by volume, and wherein the cathode includes a cathode active material represented by Formula 1, LixNiyM1-yO2-zAz Formula 1 wherein, in Formula 1, 0.9≤x≤1.2, 0.7≤y≤0.98, and 0≤z≤0.2, M is Al, Mg, Mn, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Bi, or a combination thereof, and A is an element having an oxidation number of −1 or −2, wherein each element of M is independently present in an amount of 0
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公开(公告)号:US11637247B2
公开(公告)日:2023-04-25
申请号:US16693959
申请日:2019-11-25
发明人: Dong Min Kang , Jun Seok Kim , Nanheon Lee , Byoungkwan Lee , Sangshin Lee , Dongyeong Kim , Min Seok Seo , Eun Sun Yu , Ho Kuk Jung
IPC分类号: C07D403/04 , C07D403/10 , H01L51/00
摘要: A compound for an organic optoelectronic device is represented by Chemical Formula 1, wherein Ar1 may be a substituted or unsubstituted C6 to C18 aryl group, L1 may be a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heteroarylene group, or a combination thereof, and L2 may be a single bond or a substituted or unsubstituted phenylene group.
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公开(公告)号:US20230122856A1
公开(公告)日:2023-04-20
申请号:US17966593
申请日:2022-10-14
发明人: Hyo-jung SONG , Kyoseon KOO , Minjae KIM , Junghyun NAM , Jeunggi MOON , Mihwa YANG , Duckjae YOU , Jinhee LEE
IPC分类号: H01M10/0583 , H01M10/0525 , H01M50/46
摘要: An electrode assembly and a rechargeable lithium battery including the same are disclosed herein. The electrode assembly includes an electrode and a separator, wherein the electrode includes a current collector, an electrode active material layer on the current collector, and an adhesive layer on the electrode active material layer; and wherein the separator has a larger surface area than the adhesive layer of the electrode; and a surface of the separator opposing the adhesive layer of the electrode is divided into an adhesive region in contact with the adhesive layer of the electrode and an overhang region not in contact with the adhesive layer of the electrode.
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公开(公告)号:US20230121830A1
公开(公告)日:2023-04-20
申请号:US17968692
申请日:2022-10-18
IPC分类号: H01M50/291 , H01M50/213 , H01M50/264 , H01M50/505 , B60L50/64
摘要: A battery module includes: a plurality of battery cells; and a plurality of cell carriers arranged adjacent to each other. Each of the cell carriers includes a plurality of meandering ribs that are spaced apart from each other, a first plurality of cell retainers, and a second plurality of cell retainers. Each of the first plurality and second plurality of cell retainers is configured to hold one of the battery cells in a form locking manner, and the battery cells are in the cell retainers. The first plurality of cell retainers of one of the cell carriers is arranged between the meandering ribs of the one of the cell carriers, and the second plurality of cell retainers of the one of the cell carriers is arranged between one of the meandering ribs of the one of the cell carriers and a meandering rib of an adjacently arranged cell carrier.
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公开(公告)号:US11631980B2
公开(公告)日:2023-04-18
申请号:US16794744
申请日:2020-02-19
发明人: Jinwoo Kim
IPC分类号: H02J7/00
摘要: A battery management system for a plurality of battery modules, the battery management system including, for each battery module among the plurality of battery modules, a respective integrated circuit configured to perform a cell balancing control function of the battery module; and a battery controller in communication with the integrated circuits, the battery controller configured to control the integrated circuits according to a cycle that includes a first mode for sequentially activating cell balancing of the battery modules during a first period and a second mode for stopping the cell balancing of the battery modules during a second period that follows the first period, the battery controller repeating the cycle after the second period, repeating the cycle including changing an order in which the cell balancing of the battery modules is activated in the first mode.
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