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公开(公告)号：US20180198109A1
公开(公告)日：2018-07-12
申请号：US15862029
申请日：2018-01-04
Applicant: LG CHEM, LTD.
Inventor： Sang Hun KIM , Yong KIM , Min Hyeong KANG , Cho Long KIM , Hyung Kyun YU , Ji Hoon LEE , Yong Su CHOI , Soo Ji HWANG
CPC classification number: H01M2/345 , H01M2/0262 , H01M2/0275 , H01M2/0287 , H01M2/06 , H01M2/22 , H01M2/26 , H01M2/30 , H01M10/0413 , H01M10/0585 , H01M2200/20 , H01M2220/20
Abstract: A battery cell includes an electrode assembly and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The battery case includes an upper case and a lower case, at least one of the upper case and the lower case being provided with a receiving part, in which the electrode assembly is mounted. One end of each of electrode tabs extending from electrode plates of the electrode assembly is coupled to a corresponding end of an electrode lead, which protrudes outward from the battery case. The electrode lead is provided with at least one notch part configured to rupture in response to expansion deformation of the battery case when the pressure in the battery cell increases to achieve the electrical cutoff of the battery.
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公开(公告)号：US20200287186A1
公开(公告)日：2020-09-10
申请号：US16883123
申请日：2020-05-26
Applicant: LG CHEM, LTD.
Inventor： Cho Long KIM , Yong Su CHOI , Sang Hun KIM , Sang Suk JUNG , Won Pill HWANG , Yong KIM
Abstract: The present invention relates to a battery cell. The battery cell comprises: an electrode assembly provided with an electrode tab; a case which accommodates the electrode assembly and of which at least a portion of an edge is sealed to provide a sealing surface; an electrode lead coupled to the electrode tab and led out of the case; a lead film disposed on each of top and bottom surfaces of the lead electrode disposed on the sealing surface of the case and coupled together with the sealing surface; and a main gas discharge tube disposed in the case and having one end buried in the lead film.
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公开(公告)号：US20180090780A1
公开(公告)日：2018-03-29
申请号：US15563396
申请日：2016-08-26
Applicant: LG CHEM, LTD.
Inventor： Sang Hun KIM , Yong Su CHOI , Sang Suk JUNG , Won Pill HWANG , Cho Long KIM , Yong KIM
CPC classification number: H01M10/0404 , B65B5/04 , B65B7/16 , B65B51/10 , B65B51/32 , H01M2/0207 , H01M2/0275 , H01M2/0287 , H01M2/08 , H01M2/263
Abstract: The present invention relates to an apparatus for sealing a secondary battery. The apparatus comprises: a sealing member thermally fusing and sealing a sealing surface of a pouch in which an electrode assembly is accommodated; and a cooling member cooling the sealing surface.
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公开(公告)号：US20170170445A1
公开(公告)日：2017-06-15
申请号：US15340654
申请日：2016-11-01
Applicant: LG CHEM, LTD.
Inventor： Yong KIM , Yong Su CHOI , Sang Hun KIM , Sang Suk JUNG , Won Pill HWANG , Cho Long KIM
CPC classification number: B23K20/10 , B23K26/244 , B23K26/32 , B23K2101/36 , B23K2101/38 , H01M2/1061 , H01M2/204 , H01M2/30
Abstract: Provided is a battery pack. The battery pack includes a plurality of battery cells, each of which is provided with an electrode tab, an electrode lead including first and second lead parts respectively connected to the electrode tabs of the adjacent battery cells and a connection part connecting the first and second lead parts to each other, and a bus bar to which the first and second lead parts are coupled and connecting the plurality of battery cells to each other in series or parallel.
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Patent Agency Ranking
公开(公告)号：US20180190951A1
公开(公告)日：2018-07-05
申请号：US15736475
申请日：2016-09-29
Applicant: LG CHEM, LTD.
Inventor： Cho Long KIM , Yong Su CHOI , Sang Hun KIM , Sang Suk JUNG , Won Pill HWANG , Yong KIM
IPC: H01M2/06 , H01M10/04 , H01M10/6551 , H01M2/08 , H01M2/26
Abstract: The present invention relates to a sealing apparatus sealing a sealing part of a battery case at which an electrode lead coupled to an electrode assembly is disposed. The sealing apparatus comprises: a thermal fusion member applying heat and a pressure to the sealing part of the battery case, at which the electrode lead is disposed, to seal the sealing part; and a temperature rising prevention member supported on a front end of the electrode lead to cool the sealing part through the electrode lead, thereby preventing the sealing part from increasing in temperature.
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6.发明公开公开(公告)号：US20240218174A1
公开(公告)日：2024-07-04
申请号：US17925784
申请日：2021-11-26
Applicant: LG CHEM, LTD.
Inventor： Gun KO , Tae Hun KWON , Hee Jae HWANG , Jae Chan PARK , Yong KIM
CPC classification number: C08L67/02 , C08F222/06 , C08K5/20 , C08L25/12 , C08L35/06 , C08L55/02 , C08L2201/08 , C08L2203/30 , C08L2205/035
Abstract: A thermoplastic resin composition includes a polyester resin (A); a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer (B); an alpha-methylstyrene-vinyl cyanide compound copolymer (C); a maleimide-based polymer (D); and an amide-based lubricant (E), A method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition are also described.
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公开(公告)号：US20190207171A1
公开(公告)日：2019-07-04
申请号：US15776248
申请日：2017-09-28
Applicant: LG CHEM, LTD.
Inventor： Yong-Su CHOI , Sang-Hun KIM , Min-Hyeong KANG , Yong KIM , Cho-Long KIM , Hyung-Kyun YU , Ji-Hoon LEE , Soo-Ji HWANG
IPC: H01M2/02 , H01M10/04 , H01M10/0585 , H01M2/08
Abstract: The present disclosure relates to a method for sealing a pouch casing of a pouch-type secondary battery, which includes the steps of: a receiving step in which an electrode assembly is received in an inner space formed between an upper pouch and a lower pouch; and a sealing step in which a first pressure is applied to an outer circumferential sealing portion, where the upper pouch and the lower pouch are sealed, in the longitudinal direction, and then the pressure is relieved, wherein the sealing step is carried out by applying external force to the upper pouch in the upward direction and to the lower pouch in the downward direction, or by applying a second pressure working in perpendicular to the first pressure to the sealing portion from the inner part of the pouch casing in a direction toward the outside.
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公开(公告)号：US20180114964A1
公开(公告)日：2018-04-26
申请号：US15565854
申请日：2016-06-14
Applicant: LG CHEM, LTD.
Inventor： Cho Long KIM , Yong Su CHOI , Sang Hun KIM , Sang Suk JUNG , Won Pill HWANG , Yong KIM
Abstract: The present invention relates to a battery cell. The battery cell comprises: an electrode assembly provided with an electrode tab; a case which accommodates the electrode assembly and of which at least a portion of an edge is sealed to provide a sealing surface; an electrode lead coupled to the electrode tab and led out of the case; a lead film disposed on each of top and bottom surfaces of the lead electrode disposed on the sealing surface of the case and coupled together with the sealing surface; and a main gas discharge tube disposed in the case and having one end buried in the lead film.
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9.发明申请公开(公告)号：US20140114001A1
公开(公告)日：2014-04-24
申请号：US14072945
申请日：2013-11-06
Applicant: LG CHEM, LTD.
Inventor： Jong Kuk CHOI , Yong KIM , Myeung Il KIM , Dae Yong OK , Sung Tae AHN
IPC: C08L69/00
Abstract: Disclosed is a glass fiber-reinforced polycarbonate flame-retardant resin composition which comprises (A) 50 to 75% by weight of polycarbonate having a melt index of 22 g/10 min or more (300° C., 1.2 kg), (B) 3 to 15% by weight of a rubber-modified styrene-based graft copolymer, (C) 3 to 10% by weight of a bulk copolymer of an aromatic vinyl compound and a vinyl cyan compound, (D) 1 to 10% by weight of an ethylene acrylate-based copolymer, (E) 10 to 25% by weight of glass fiber, and (F) 5 to 20% by weight of an aromatic phosphate ester-based compound, and thus advantageously exhibits superior flowability, flame retardancy, hardness, impact resistance and appearance qualities.
Abstract translation: 公开了一种玻璃纤维增强聚碳酸酯阻燃树脂组合物，其包含（A）50〜75重量％的熔体指数为22g / 10分钟以上（300℃，1.2kg）的聚碳酸酯，（B ）3〜15重量％的橡胶改性苯乙烯类接枝共聚物，（C）3〜10重量％的芳香族乙烯基化合物和乙烯基青色化合物的本体共聚物，（D）1〜10重量％ 乙烯丙烯酸酯类共聚物的重量，（E）10〜25重量％的玻璃纤维，（F）5〜20重量％的芳香族磷酸酯系化合物，有利地表现出优异的流动性，阻燃性 ，硬度，抗冲击性和外观质量。
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