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公开(公告)号：US20200168859A1
公开(公告)日：2020-05-28
申请号：US16692245
申请日：2019-11-22
发明人： Song Won HYUN , Moo Ho LEE , Sung Dug KIM , In KIM , Kyeong PANG , In Su LEE , Hye Jeong LEE
摘要： Disclosed are a battery case including a container configured to accommodate an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to have an open side opposed to the bottom wall and to provide a space for accommodating the electrode assembly, the container includes a composite including a base polymer and an inorganic moisture absorbent, expanded graphite, and red phosphorus, each of which are dispersed in the base polymer, and the battery case has a water vapor transmittance rate at about 38° C. under relative humidity of about 100% according to ISO 15106 or ASTM F1249 of less than about 0.07 g/m2/day and flame retardancy of V-0 measured according to UL (Underwriter's Laboratories)-94, and a battery or battery module including an electrode assembly accommodated in the container of the battery case.
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公开(公告)号：US20190165336A1
公开(公告)日：2019-05-30
申请号：US16204304
申请日：2018-11-29
发明人： In Ki KIM , Kyeong PANG , In KIM , Feifei FANG , Joungeun YOO , Ginam KIM , In Su LEE
摘要： A battery case comprising a container configured to house an electrode assembly, wherein the container comprises a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define an internal space for housing the electrode assembly and to further define a top opening on an opposing side from the bottom wall, at least one of the bottom wall and the plurality of side walls comprises a liquid crystal polymer, the liquid crystal polymer comprises a plurality of blocks comprising an average of about 2 to about 5 structural units derived from hydroxybenzoic acid, and the container has a water vapor transmission rate at a wall thickness of 1 mm of less than about 0.07 g/m2/day, as measured at 38° C. and a relative humidity of 100% according to ISO 15106 and ASTM F1249.
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公开(公告)号：US20190181393A1
公开(公告)日：2019-06-13
申请号：US16217126
申请日：2018-12-12
发明人： Moon Il JUNG , Song Won HYUN , In KIM , Moo Ho LEE , In Su LEE , Junghoon LEE , Hye Jeong LEE , Ginam KIM
IPC分类号： H01M2/02 , H01M10/058 , H01M2/06 , H01M2/04 , H01M10/52 , H01M10/0525
摘要： A battery case including: a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define a space for housing the electrode assembly and to provide a top opening opposite the bottom wall, the container includes a polymeric composition including a polymer and an inorganic moisture absorbent dispersed in the polymer, and the battery case has a water vapor transmission rate (WVTR) of less than about 0.05 grams per square meter per day, when measured at 38° C. and a relative humidity of 100% according to ISO 15106 or ASTM F1249.
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公开(公告)号：US20200335732A1
公开(公告)日：2020-10-22
申请号：US16851617
申请日：2020-04-17
发明人： Song Won HYUN , In KIM , Kyeong PANG , Moo Ho LEE , Hye Jeong LEE , In Su LEE
IPC分类号： H01M2/02 , H01M10/0525 , H01M2/10 , H01M2/30 , H01M2/04
摘要： A composite including a polymer matrix; an inorganic moisture absorber; a ceramic filler, graphite, or a combination thereof; and a tracking resistance polymer, wherein the tracking resistance polymer includes an average bond energy between an atom forming a main chain and another atom covalently bonded to the atom that forms the main chain of about 350 kJ/mol to about 500 kJ/mol; a carbonaceous residue yield after pyrolysis of less than or equal to about 5 weight percent, based on the amount of the tracking resistance polymer before pyrolysis; or a combination thereof.
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公开(公告)号：US20190280255A1
公开(公告)日：2019-09-12
申请号：US16298229
申请日：2019-03-11
发明人： Moo Ho LEE , Moon Il JUNG , In KIM , In Su LEE , Junghoon LEE , Hye Jeong LEE , Song Won HYUN
摘要： A battery case including a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the side walls integrated to define a space for housing the electrode assembly and an open side opposed to the bottom wall, the container includes a composite including a polymer matrix, an inorganic moisture absorbent dispersed in the base polymer, and a compatibilizer to promote compatibility between the polymer matrix and the inorganic moisture absorbent, the compatibilizer is included in an amount of less than about 3 wt % based on a total weight of the composite, at least one of the bottom wall and the side walls at a thickness of 1 millimeter has a water vapor transmission rate of less than about 0.07 g/m2/day, when measured at 38° C. and a relative humidity of 100% according to ISO 15106 or ASTM F1249.
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公开(公告)号：US20190190055A1
公开(公告)日：2019-06-20
申请号：US16225795
申请日：2018-12-19
发明人： Feifei FANG , In Ki KIM , Kyeong PANG , Joungeun YOO , In Su LEE , Ginam KIM , In KIM , Hyoungwoo CHOI
CPC分类号： H01M10/049 , C08K3/346 , C08L67/02 , C08L67/04 , C08L2203/206 , C08L2205/12 , H01M2/0257 , H01M2/0478 , H01M2220/20
摘要： A battery casing including a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define an open side opposite to the bottom wall and to define a space for housing the electrode assembly, at least one of the bottom wall and plurality of the side walls includes a composite including a thermotropic liquid crystal polymer and a nanoclay dispersed in the thermotropic liquid crystal polymer, wherein the main chain of the thermotropic liquid crystal polymer includes an aromatic oxycarbonyl repeating unit and an alkylene moiety-containing repeating unit, and at least a portion of the nanoclay is present in an exfoliated state, and an X-ray diffraction pattern of the composite does not exhibit an intrinsic peak corresponding to the nanoclay.
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公开(公告)号：US20190165337A1
公开(公告)日：2019-05-30
申请号：US16204333
申请日：2018-11-29
发明人： Kyeong PANG , Feifei FANG , In KIM , In Su LEE , Hye Jeong LEE , Ginam KIM
IPC分类号： H01M2/02
摘要： A battery casing including a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls configured to define an open side opposite to the bottom wall and to define a space for housing the electrode assembly, at least one of the bottom wall and the plurality of side walls includes a composition including a base polymer and a plurality of nucleating agent particles dispersed in the base polymer, the base polymer includes a polyethylene polymer, the nucleating agent particles have a rod shape, the aspect ratio of the nucleating agent particles is greater than or equal to about 2, and an amount of the nucleating agent particles is about 0.01 parts by weight to about 3 parts by weight, based on 100 parts by weight of the base polymer.
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公开(公告)号：US20200212375A1
公开(公告)日：2020-07-02
申请号：US16726524
申请日：2019-12-24
发明人： Hye Jeong LEE , Kyeong PANG , In Su LEE , In KIM , In Ki KIM , Eun Sung LEE , Song Won HYUN , Sung Dug KIM
摘要： A battery case including a container configured to house an electrode assembly. The container includes a bottom wall and a plurality of side walls, the bottom wall and the side walls are integrated to have an open side opposite to the bottom wall, and which provides a space for housing the electrode assembly. The container includes a composite of a base polymer, a carbon-based filler, and an oligomer or a polymer that is dissolved in a solvent having a solubility parameter of about 15 MPa1/2 to about 30 MPa1/2, and the oligomer or polymer has an amino group or a hydrophobic functional group. The battery case has a water vapor transmission rate (WVTR) of less than about 0.07 g/m2/day measured at a thickness of 1 mm, at 38° C., and relative humidity of 100% according to ISO 15106 or ASTM F1249, and a battery including the battery case.
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公开(公告)号：US20200161599A1
公开(公告)日：2020-05-21
申请号：US16683772
申请日：2019-11-14
发明人： Hyoungwoo CHOI , In Ki KIM , Feifei FANG , Joungeun YOO , In Su LEE , Sung Dug KIM , In KIM
摘要： A battery case including a container configured to accommodate an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to have an open side opposed to the bottom wall and to provide a space for accommodating the electrode assembly, wherein at least one of the bottom wall or the plurality of side walls includes a liquid crystal aromatic polymer, at least a portion of the liquid crystal aromatic polymer includes an aliphatic organic group at one terminal end, and the battery case has a WVTR at a thickness of about 1 mm at about 38° C. and a relative humidity of about 100% of less than about 0.07 g/m2/day and an impact strength of greater than or equal to about 20 KJ/m2, a battery including the battery case, and a battery module.
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公开(公告)号：US20190218340A1
公开(公告)日：2019-07-18
申请号：US16249305
申请日：2019-01-16
发明人： Joungeun YOO , In Ki KIM , Kyeong PANG , In KIM , Feifei FANG , In Su LEE , Hyoungwoo CHOI
IPC分类号： C08G69/44 , H01M2/02 , H01M2/04 , H01M2/30 , H01M10/0525
CPC分类号： C08G69/44 , B29C45/0001 , B29K2067/04 , B29K2077/00 , B29K2105/0079 , B29K2105/0085 , B29L2031/3468 , C08G2250/00 , H01M2/0257 , H01M2/0478 , H01M2/30 , H01M10/0525
摘要： A battery case comprising a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define an internal space for housing the electrode assembly and to further define a top opening on an opposing side from the bottom wall, at least one of the bottom wall and the plurality of side walls comprises a liquid crystal aromatic poly(ester amide), and the battery case has a water vapor transmission rate (WVTR) at a wall thickness of 1 millimeter of less than or equal to about 0.07 grams per square meter per day, as measured at 38° C. and a relative humidity of 100% according to ISO 15106 or ASTM F1249.
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