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公开(公告)号：US20190020064A1
公开(公告)日：2019-01-17
申请号：US16135342
申请日：2018-09-19
发明人： Miyoung SON , Kyoungsoo KIM , Yunhee KIM , Jaehong KIM , Hana RA , Suyeol RYU , Myunghwan JEONG , Sunjoo CHOI , Myungheui WOO , Seungtae LEE , Harim LEE , Siyoung CHA
IPC分类号： H01M10/0567 , H01M10/0569 , H01M10/42 , H01M10/0525 , H01M10/0568 , C07D497/10
摘要： A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode. The organic electrolytic solution includes a first lithium salt, a second lithium salt different from the first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.
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2.发明申请公开(公告)号：US20180309105A1
公开(公告)日：2018-10-25
申请号：US15768214
申请日：2016-08-02
发明人： Hana RA , Younglim KOO , Suhak BAE , Sunghee AHN , Minjeong LEE
IPC分类号： H01M2/16 , H01M10/0525
CPC分类号： H01M2/166 , H01M2/14 , H01M2/16 , H01M10/052 , H01M10/0525
摘要： The present invention relates to a microporous membrane, a method for producing the same, and an electrochemical cell using the same, the microporous membrane comprising pore-forming particles and a thermoplastic resin having a melting point of 50° C. to 150° C., wherein the pore-forming particles have an average particle size of 300 nm or less, and are surface-treated with at least one selected from the group consisting of a phosphonic acid containing alkyl group having 10 or more carbon atoms, a carboxylic acid containing an alicyclic hydrocarbon group having 6 to 20 carbon atoms, resin acid, a benzenesulfonic acid containing alkyl group having 10 or more carbon atoms and a salt thereof.
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公开(公告)号：US20190020071A1
公开(公告)日：2019-01-17
申请号：US16135349
申请日：2018-09-19
发明人： Miyoung SON , Kyoungsoo KIM , Yunhee KIM , Jaehong KIM , Hana RA , Suyeol RYU , Myunghwan JEONG , Sunjoo CHOI , Myungheui WOO , Seungtae LEE , Harim LEE , Siyoung CHA
IPC分类号： H01M10/0569 , H01M10/052 , H01M4/525 , H01M4/583 , C07D497/10
摘要： A lithium battery includes a cathode including a cathode active material; an anode including an anode active material; and an organic electrolytic solution between the cathode and the anode, wherein the anode active material includes natural graphite and artificial graphite, an amount of the artificial graphite being about 50 wt % or more based on a total weight of the anode active material, and the organic electrolytic solution includes: a first lithium salt; an organic solvent; and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.
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公开(公告)号：US20190020070A1
公开(公告)日：2019-01-17
申请号：US16135301
申请日：2018-09-19
发明人： Miyoung SON , Kyoungsoo KIM , Yunhee KIM , Jaehong KIM , Hana RA , Suyeol RYU , Myunghwan JEONG , Sunjoo CHOI , Myungheui WOO , Seungtae LEE , Harim LEE , Siyoung CHA
IPC分类号： H01M10/0569 , H01M10/052 , H01M4/525
摘要： A lithium battery includes a cathode including a cathode active material; an anode including an anode active material; and an organic electrolytic solution between the cathode and the anode. The cathode active material includes a nickel-containing layered lithium transition metal oxide. A content of nickel in the lithium transition metal oxide is about 60 mol % or more with respect to a total number of moles of transition metals. The organic electrolytic solution includes a first lithium salt; an organic solvent; and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.
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公开(公告)号：US20240047671A1
公开(公告)日：2024-02-08
申请号：US18303343
申请日：2023-04-19
发明人： Hyejin PARK , Yeji YANG , Wonseok CHO , Tae Jin LEE , Sangwoo PARK , Sundae KIM , Sanghyung KIM , Minseo KIM , Myungheui WOO , Sanghoon KIM , Hana RA , Bokyung RYU
CPC分类号： H01M4/525 , H01M10/052 , H01M4/624 , H01M4/583 , H01M4/386 , H01M4/366 , H01M2004/028
摘要： A positive electrode includes a positive electrode active material, a binder, a conductive material, and an additive represented by Chemical Formula 1 or Chemical Formula 2:
A rechargeable lithium battery includes the positive electrode a negative electrode in a negative electrode active material; and an electrolyte solution for the rechargeable lithium battery.-
公开(公告)号：US20190020068A1
公开(公告)日：2019-01-17
申请号：US16135420
申请日：2018-09-19
发明人： Miyoung SON , Kyoungsoo KIM , Yunhee KIM , Jaehong KIM , Hana RA , Suyeol RYU , Myunghwan JEONG , Sunjoo CHOI , Myungheui WOO , Seungtae LEE , Harim LEE , Siyoung CHA
IPC分类号： H01M10/0567 , H01M4/505 , H01M4/525 , H01M10/0569 , H01M10/0525 , H01M10/42 , H01M10/0568 , H01M4/62 , C07D497/10
摘要： A lithium battery includes a cathode including a cathode active material an anode including an anode active material and an organic electrolytic solution between the cathode and the anode, wherein the cathode includes a carbonaceous nanostructure, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.
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7.发明公开公开(公告)号：US20240339659A1
公开(公告)日：2024-10-10
申请号：US18473923
申请日：2023-09-25
发明人： Bokyung RYU , Tae Jin LEE , Myungheui WOO , Hyejin PARK , Sang Hoon KIM , Hana RA
IPC分类号： H01M10/0567 , H01M10/0525 , H01M10/42
CPC分类号： H01M10/0567 , H01M10/0525 , H01M10/4235
摘要： An additive for a rechargeable lithium battery, and an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The additive includes a core including an aerogel, and a shell around (e.g., surrounding) the core, wherein the shell includes a polymer having a melting point of about 90 to about 120° C.
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公开(公告)号：US20190020065A1
公开(公告)日：2019-01-17
申请号：US16135371
申请日：2018-09-19
发明人： Miyoung SON , Kyoungsoo KIM , Yunhee KIM , Jaehong KIM , Hana RA , Suyeol RYU , Myunghwan JEONG , Sunjoo CHOI , Myungheui WOO , Seungtae LEE , Harim LEE , Siyoung CHA
IPC分类号： H01M10/0567 , H01M4/525 , H01M10/0568 , H01M10/0569 , H01M10/42 , H01M10/0525 , C07D497/10
摘要： A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode. The organic electrolytic solution includes a first lithium salt, an organic solvent, an oligomer compound, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.
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9.发明申请METHOD FOR MANUFACTURING POROUS FILM, POROUS FILM, AND ELECTRO-CHEMICAL BATTERY AND SEPARATOR INCLUDING THE POROUS FILM 审中-公开制造多孔膜，多孔膜和电化学电池的方法和包括多孔膜的分离器公开(公告)号：US20170069893A1
公开(公告)日：2017-03-09
申请号：US15257235
申请日：2016-09-06
发明人： Sunghee AHN , Younglim KOO , Hana RA , Suhak BAE , Minjeong LEE
CPC分类号： H01M2/166 , B29C48/08 , B29C48/10 , B29C48/16 , B29C48/30 , B29C48/305 , B29C48/32 , B29C48/40 , B29K2023/065 , B29K2023/10 , B29K2067/003 , B29L2009/00 , H01M2/145
摘要： A method for manufacturing a porous film includes extrusion-molding a composition including a crystalline resin capable of forming a lamella and a pore-forming particle to manufacture a precursor film, annealing the precursor film at a temperature of Tm−80° C. to Tm−3° C., and first drawing the annealed film at a temperature of about 0° C. to about 50° C. with a ratio of about 50% to about 400%, wherein the pore-forming particle is included in an amount of about 5 parts by volume to 40 parts by volume based on 100 parts by volume of the composition, and the Tm is a melting temperature of the crystalline resin. A porous film manufactured by the method, and a separator or an electro-chemical battery including the porous film are also disclosed.
摘要翻译： 制造多孔膜的方法包括挤出成型包含能够形成薄片的结晶树脂和成孔颗粒的组合物以制造前体膜，在Tm-80℃的温度下将前体膜退火至Tm -3℃，并且首先在约0℃至约50℃的温度下以约50％至约400％的比例拉伸退火的膜，其中造孔颗粒的含量为 约为5体积％至40体积份，基于100体积份的组合物，Tm为结晶性树脂的熔融温度。 还公开了通过该方法制造的多孔膜和包括多孔膜的隔膜或电化学电池。
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公开(公告)号：US20240363899A1
公开(公告)日：2024-10-31
申请号：US18003122
申请日：2022-03-30
发明人： Hana RA , Tae Jin LEE , Minseo KIM , Myungheui WOO , Hyejin PARK , Bokyung RYU
IPC分类号： H01M10/0567 , C07F9/6593 , H01M4/02 , H01M4/36 , H01M4/38 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/42
CPC分类号： H01M10/0567 , C07F9/65815 , H01M4/364 , H01M4/366 , H01M4/386 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/4235 , H01M2004/027 , H01M2004/028 , H01M2300/0025
摘要： Provided is a rechargeable lithium battery including an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive; a positive electrode including a positive electrode active material; and a negative electrode including a negative electrode active material, wherein the additive includes at least one of the first compound and the second compound, the first compound is a substituted or unsubstituted C1 to C20 alkyl group including at least one nitrile group, a substituted or unsubstituted C2 to C20 alkenyl group including at least one nitrile group, a substituted or unsubstituted C2 to C20 alkynyl group including at least one nitrile group, a substituted or unsubstituted C1 to C20 alkoxy group including at least one nitrile group, a substituted or unsubstituted C6 to C20 aryl group including at least one nitrile group, or a combination of thereof, the second compound is cyclic phosphazene, and the positive electrode active material includes cobalt-free lithium nickel manganese-based oxide.
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