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1.发明授权公开(公告)号：US11557791B2
公开(公告)日：2023-01-17
申请号：US16638514
申请日：2018-08-07
发明人： Kyoung Soo Kim , Yunhee Kim , Yongchan You , Erang Cho , Seonju Choi
IPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M4/505 , H01M4/525
摘要： The present invention relates to a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same, the non-aqueous electrolyte comprising a non-aqueous organic solvent, a lithium salt, a first additive including at least one of compounds represented by chemical formulas 1 to 4, and a second additive comprising a cyclic sulfide-based compound, wherein the mixing ratio of the first additive and the second additive is a weight ratio of 0.2:1 to 10:1.
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公开(公告)号：US11145900B2
公开(公告)日：2021-10-12
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 , H01M4/62 , C07D497/10 , H01M10/42 , H01M10/052 , H01M4/131 , H01M10/0568 , H01M4/02 , B82Y30/00
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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3.发明公开公开(公告)号：US20230344002A1
公开(公告)日：2023-10-26
申请号：US18003735
申请日：2021-12-29
发明人： Myunghwan Jeong , Myunghoon Kim , Sanghoon Kim , Yunhee Kim , Injun Park , Hongryeol Park , Jeongmin Shin , Seungryong Oh , Hyunbong Choi
IPC分类号： H01M10/0567 , H01M10/0568
CPC分类号： H01M10/0567 , H01M10/0568
摘要： Provided are an electrolyte for a lithium secondary battery including a lithium salt, an organic solvent; and an additive, wherein the additive includes a first compound represented by Formula 1 and a second compound represented by Formula 2 below, and a mixing weight ratio of the first compound to the second compound is in a range of 1:9 to 9:1, and a lithium secondary battery including the same.
In Formula 1, X1, R1 to R6, and n in Formula 1 and A1 and A2 in Formula 2 are as defined in the detailed description.-
公开(公告)号：US11342586B2
公开(公告)日：2022-05-24
申请号：US16113254
申请日：2018-08-27
发明人： Yunhee Kim , Kyoung Soo Kim , Taejeong Kim , Dohyung Park , Yongchan You , Erang Cho , Sun-Joo Choi
IPC分类号： H01M10/0567 , H01M4/525 , H01M10/0525 , H01M10/052 , H01M4/505 , H01M4/02
摘要： A rechargeable lithium battery including a negative electrode; a positive electrode including a positive active material; and a non-aqueous electrolyte, wherein the non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive including a compound represented by one of Chemical Formulae 1 to 4 and a second additive including a compound represented by Chemical Formula 5 or Chemical Formula 6, or a combination thereof, the positive active material includes a compound that includes about 70 mol % or greater of Ni based on the total mole number of all metal elements except for Li,
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公开(公告)号：US11637322B2
公开(公告)日：2023-04-25
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 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/0567
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：US11335952B2
公开(公告)日：2022-05-17
申请号：US16135395
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 , H01M10/0525 , H01M10/42 , H01M10/0568 , C07D497/10 , H01M4/02 , H01M4/525 , H01M10/0569
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 organic electrolytic solution includes a first lithium salt, a second 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. The second lithium salt includes at least one selected from LiCF3SO3, Li(CF3SO2)2N, LiC4F9SO3, Li(FSO2)2N, and LiN(CxF2x+1SO2)(CyF2y+1SO2) where 2≤x≤20 and 2≤y≤20.
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公开(公告)号：US11264645B2
公开(公告)日：2022-03-01
申请号：US16135403
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 , H01M4/36 , H01M4/48 , H01M4/587 , H01M10/0525 , H01M10/0569 , C07D497/10 , H01M10/42 , H01M4/131 , H01M4/133 , H01M10/0568 , H01M4/02 , B82Y30/00
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 anode active material includes a metal-based anode active material. 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, wherein 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：US11251432B2
公开(公告)日：2022-02-15
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： H01M4/583 , H01M10/0569 , H01M10/052 , C07D497/10 , H01M10/0525 , C07F9/6571 , H01M10/0567 , H01M4/525 , C07F1/02 , C07F9/655 , C07F5/02 , C07F9/06 , H01M4/587 , H01M10/0568
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：US11223044B2
公开(公告)日：2022-01-11
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： H01M4/583 , H01M10/0569 , H01M10/052 , C07D497/10 , H01M10/0525 , C07F9/6571 , H01M10/0567 , H01M4/525 , C07F1/02 , C07F9/655 , C07F5/02 , C07F9/06 , H01M4/587 , H01M10/0568
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：US12051779B2
公开(公告)日：2024-07-30
申请号：US17538800
申请日：2021-11-30
发明人： Hyunbong Choi , Myunghoon Kim , Sanghoon Kim , Yunhee Kim , Injun Park , Hongryeol Park , Jeongmin Shin , Seungryong Oh , Myunghwan Jeong
IPC分类号： H01M10/0569 , H01M10/0525 , H01M10/0565
CPC分类号： H01M10/0569 , H01M10/0525 , H01M10/0565
摘要： An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2:
wherein X is a fluoro group, a chloro group, a bromo group, or an iodo group, and A is a C1 to C10 alkylene group or (—C2H4—O—C2H4—)m, wherein m is an integer of 1 to 10.
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