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公开(公告)号：US11424453B2
公开(公告)日：2022-08-23
申请号：US16575244
申请日：2019-09-18
发明人： Jin-Hyeok Lim , Hyejin Park , Myungheui Woo , Hyunbong Choi , Harim Lee
IPC分类号： H01M4/62 , H01M4/36 , H01M10/0568 , H01M10/0567 , H01M10/0525 , H01M4/66 , H01M50/531
摘要： A rechargeable lithium battery includes a positive electrode, a negative electrode, and an electrolyte including a lithium salt, wherein at least one of the positive electrode and the negative electrode includes a current collector, an electrode tab extending from the current collector, an active material layer disposed on the current collector, and a passivation film formed on at least one of the current collector and the electrode tab. The passivation film includes a material represented by Chemical Formula 1: CuX(POF2)nY2Z, Chemical Formula 1 wherein, in Chemical Formula 1, X is a C1 to C10 alkylene group, Y is represented by Chemical Formula 2, Z is an anion group of the lithium salt, and n is 1 or 2: NC—R1—CN, (wherein, R1 is a C1 to C10 alkylene group). Chemical Formula 2
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公开(公告)号：US10886568B2
公开(公告)日：2021-01-05
申请号：US16385923
申请日：2019-04-16
发明人： Harim Lee , Hyejin Park , Myungheui Woo , Jin-Hyeok Lim , Hyunbong Choi
IPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0569
摘要： Aspects of embodiments of the present disclosure provide an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a compound represented by Chemical Formula 1: The compound represented by Chemical Formula 1 and/or its oxide may participate in one or more electrochemical reactions to form a robust solid electrolyte interphase (SEI) film, and may also improve the stability of other electrolyte components against oxidative decomposition.
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公开(公告)号：US09660295B2
公开(公告)日：2017-05-23
申请号：US14790585
申请日：2015-07-02
发明人： Hee-Yeon Hwang , Ho-Seok Yang , Yun-Hee Kim , Jin-Hyeok Lim , Min-Young Lee , Se-Jeong Park , Hyun-Woo Kim
IPC分类号： H01M10/0567 , H01M10/42 , H01M10/0568 , H01M10/0569 , H01M4/525 , H01M10/052 , H01M4/02
CPC分类号： H01M10/0567 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M10/4235 , H01M2004/021 , H01M2300/0037
摘要： An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R1 to R3 are each independently a substituted or unsubstituted C1 to C10 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, or a substituted or unsubstituted C2 to C30 heteroarylene group.
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公开(公告)号：US11600861B2
公开(公告)日：2023-03-07
申请号：US16904773
申请日：2020-06-18
发明人： Wonseok Cho , Younghye Kang , Dongyoung Kim , Soojin Kim , Aeran Kim , Suyeol Ryu , Jeongmin Shin , Junyong Lee , Tae Jin Lee , Jin-Hyeok Lim , Myunghwan Jeong , Hyunbong Choi , Jungmin Han
IPC分类号： H01M6/16 , H01M10/0567 , H01M10/0525 , H01M10/0569 , H01M10/0568 , H01M4/525 , H01M10/44 , H01M4/02
摘要： An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:
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公开(公告)号：US11367900B2
公开(公告)日：2022-06-21
申请号：US17023272
申请日：2020-09-16
发明人： Jin-Hyeok Lim , Younghye Kang , Soojin Kim , Aeran Kim , Suyeol Ryu , Injun Park , Jinah Seo , Jeongmin Shin , Junyong Lee , Tae Jin Lee , Myunghwan Jeong , Hyejeong Jeong , Wonseok Cho , Olga Tsay , Hyunbong Choi , Pavel Shatunov
IPC分类号： H01M6/04 , H01M10/0567 , H01M4/36 , H01M4/587 , H01M4/38 , H01M4/525 , H01M10/0525 , C01G51/00 , C01G53/00 , C07F9/06 , H01M10/0568
摘要： The present invention relates to a lithium secondary battery. The lithium secondary battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1. The negative active material includes Si at about 0.1 wt % to about 32 wt % in amount based on a total weight of the negative active material. wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.
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公开(公告)号：US11056720B2
公开(公告)日：2021-07-06
申请号：US16655136
申请日：2019-10-16
发明人： Pavel Shatunov , Olga Tsay , Aeran Kim , Hyunbong Choi , Jin-Hyeok Lim , Jungmin Han , Myunghwan Jeong , Soojin Kim
IPC分类号： H01M6/04 , H01M10/0567 , H01M10/054
摘要： The present invention relates to an electrolyte for a lithium secondary battery including an electrolyte, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1; and wherein an amount of the additive is 0.1 wt % to 10 wt % based on the total the electrolyte, and the lithium secondary battery has an energy density of 200 Wh/L or more: wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.
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公开(公告)号：US09935334B2
公开(公告)日：2018-04-03
申请号：US14610912
申请日：2015-01-30
发明人： Jin-Hyeok Lim , Ho-Seok Yang , Yun-Hee Kim , Young Sam Park , Hee-Yeon Hwang , Hyun-Woo Kim , Se-Jeong Park , Min-Young Lee
IPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0568
CPC分类号： H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M2300/0025 , H01M2300/0037 , H01M2300/0091 , Y02E60/122
摘要： An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive. The additive is represented by Chemical Formula 1, and is included in an amount of about 0.05 wt % to about 3 wt % based on the total amount of the electrolyte. A rechargeable lithium battery including the same is also disclosed. Chemical Formula 1 is as described in the present specification.
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公开(公告)号：US09825334B2
公开(公告)日：2017-11-21
申请号：US14661801
申请日：2015-03-18
发明人： Yun-Hee Kim , Ho-Seok Yang , Jin-Hyeok Lim , Hee-Yeon Hwang , Hyun-Woo Kim
IPC分类号： H01M10/0567 , H01M10/0569 , H01M4/38 , H01M10/052 , H01M4/36 , H01M4/48 , H01M4/587
CPC分类号： H01M10/0567 , H01M4/364 , H01M4/386 , H01M4/483 , H01M4/587 , H01M10/052 , H01M10/0569
摘要： Disclosed is a rechargeable lithium battery including a positive electrode; a negative electrode including a negative active material, the negative active material including a silicon-based material; and an electrolyte solution including a lithium salt, a non-aqueous organic solvent, and an additive. The additive includes an ethylene carbonate-based compound represented by Chemical Formula 1 and a pyridine-based compound represented by Chemical Formula 2: R11, R12 and R1 to R5 are each independently hydrogen, a halogen, a substituted or unsubstituted C1 to C20 alkyl group, or a C1 to C20 haloalkyl group; at least one of R11 and R12 is a halogen; and at least one of R1 to R5 is a halogen.
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公开(公告)号：US12015120B2
公开(公告)日：2024-06-18
申请号：US16927116
申请日：2020-07-13
发明人： Hyunbong Choi , Younghye Kang , Dongyoung Kim , Soojin Kim , Aeran Kim , Suyeol Ryu , Jeongmin Shin , Junyong Lee , Tae Jin Lee , Jin-Hyeok Lim , Myunghwan Jeong , Wonseok Cho , Pavel Shatunov , Jungmin Han
IPC分类号： H01M10/0567 , H01M4/02 , H01M4/38 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0569
CPC分类号： H01M10/0567 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0569 , H01M2004/027 , H01M2004/028 , H01M4/382 , H01M2300/0025 , H01M2300/0028 , Y02E60/10
摘要： An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:
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公开(公告)号：US11139502B2
公开(公告)日：2021-10-05
申请号：US16419175
申请日：2019-05-22
发明人： Pavel Shatunov , Myungheui Woo , Harim Lee , Jin-Hyeok Lim , Hyunbong Choi , Olga Tsay , Hyejin Park
IPC分类号： H01M10/0525 , H01M10/0567 , H01M10/0569
摘要： An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1: wherein, in Chemical Formula 1, R1 to R6 are each independently hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C2 to C10 alkenyl group, a substituted or unsubstituted C2 to C10 alkynyl group, a substituted or unsubstituted C3 to C10 cycloalkyl group, or a substituted or unsubstituted C3 to C10 cycloalkenyl group, and n is an integer of 1 to 10.
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