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公开(公告)号:US20220285731A1
公开(公告)日:2022-09-08
申请号:US17468222
申请日:2021-09-07
申请人: Hyundai Motor Company , Kia Corporation , UNIST (Ulsan National Institute of Science and Technology)
发明人: Sang Hun Lee , Jun Ki Rhee , Yeol Mae Yeo , Seung Min Oh , Yoon Sung Lee , Ji Eun Lee , Ko Eun Kim , Woo Young Jin , Sang Mok Park , Sung Ho Ban , Hyeon Gyu Moon , Hui Beom Nam , Hyun Soo Ma , Nam Soon Choi
IPC分类号: H01M10/0567 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M4/583 , H01M4/38 , H01M4/525 , H01M4/505
摘要: Disclosed is an additive for increasing the electrochemical properties of lithium secondary batteries.
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2.
公开(公告)号:US11742521B2
公开(公告)日:2023-08-29
申请号:US17338244
申请日:2021-06-03
申请人: HYUNDAI MOTOR COMPANY , KIA CORPORATION , UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
发明人: Yoon Sung Lee , Seung Min Oh , Sung Ho Ban , Ko Eun Kim , Jun Ki Rhee , Woo Young Jin , Sang Kyu Kwak , Nam Soon Choi , Sung You Hong , Woo Gyum Kim , Dae Yeon Hwang , Hyeon Gyu Moon
IPC分类号: H01M10/0567 , H01M10/0525 , H01M10/0569 , C07D249/06 , H01M10/0568
CPC分类号: H01M10/0567 , C07D249/06 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2300/0025
摘要: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:
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3.
公开(公告)号:US20220285730A1
公开(公告)日:2022-09-08
申请号:US17468193
申请日:2021-09-07
申请人: Hyundai Motor Company , Kia Corporation , UNIST (Ulsan National Institute of Science and Technology)
发明人: Ji Eun Lee , Jun Ki Rhee , Seung Min Oh , Yoon Sung Lee , Sung Ho Ban , Sang Hun Lee , Woo Young Jin , Sang Mok Park , Ko Eun Kim , Hyeon Gyu Moon , Hui Beom Nam , Hyun Soo Ma , Nam Soon Choi
IPC分类号: H01M10/0567 , H01M10/0525
摘要: Disclosed is an additive for improving the electrochemical properties of a lithium secondary battery.
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4.
公开(公告)号:US20230207874A1
公开(公告)日:2023-06-29
申请号:US17813470
申请日:2022-07-19
申请人: Hyundai Motor Company , Kia Corporation , UNIST (Ulsan National Institute of Science and Technology)
发明人: Yoon Sung Lee , Jun Ki Rhee , Ko Eun Kim , Sung Ho Ban , Seung Min Oh , Nam Soon Choi , Sung You Hong , Sang Kyu Kwak , Hyeon Gyu Moon , Hyeong Jun Kim , Min Ho Jeon
IPC分类号: H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M4/38 , H01M4/583 , C07F7/18
CPC分类号: H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M4/386 , H01M4/583 , C07F7/1804
摘要: The present disclosure provides an electrolyte for a lithium secondary battery capable of improving the lifespan characteristics and output characteristics of a high capacity lithium secondary battery and a lithium secondary battery including the same. The electrolyte for a lithium secondary battery, according to an embodiment of the present disclosure, is an electrolyte for a lithium secondary battery including a lithium salt, a solvent, and a functional additive agent, in which the functional additive agent includes a cathode film additive agent, (4-allyl-2-methoxyphenoxy) trimethylsilane, represented by the following formula:
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5.
公开(公告)号:US20230402650A1
公开(公告)日:2023-12-14
申请号:US17990435
申请日:2022-11-18
申请人: HYUNDAI MOTOR COMPANY , KIA CORPORATION , UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
发明人: Yoon Sung Lee , Jun Ki Rhee , Hui Beom Nam , Ko Eun Kim , Sung Ho Ban , Seung Min Oh , Sang Kyu Kwak , Nam Soon Choi , Sung You Hong , Hyeong Jun Kim , Seo Young Jeong , Hyeon Gyu Moon , Min Pyeong Kim
IPC分类号: H01M10/0567 , H01M4/525 , H01M4/587 , H01M10/0525
CPC分类号: H01M10/0567 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M2300/004
摘要: An electrolyte for a lithium secondary battery can enhance lifetime and output characteristics in a high-capacity lithium secondary battery. The electrolyte for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive. The functional additive includes 1-(3-((tert-butyldimethylsilyl)oxy)propyl)-5-(4-fluorophenyl)-1H-1,2,3-triazole-4-carbonitrile as a positive electrode film additive.
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6.
公开(公告)号:US20230402649A1
公开(公告)日:2023-12-14
申请号:US17988998
申请日:2022-11-17
申请人: HYUNDAI MOTOR COMPANY , KIA CORPORATION , UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
发明人: Yoon Sung Lee , Jun Ki Rhee , Hui Beom Nam , Ko Eun Kim , Sung Ho Ban , Sang Kyu Kwak , Nam Soon Choi , Sung You Hong , Hyeong Jun Kim , Seo Young Jeong , Hyeon Gyu Moon , Min Pyeong Kim
IPC分类号: H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M4/38 , H01M4/583 , H01M50/46 , H01M4/62
CPC分类号: H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M4/386 , H01M4/583 , H01M50/46 , H01M4/624 , H01M2004/027
摘要: Disclosed herein are an electrolyte for a lithium secondary battery, which can enhance lifetime and output characteristics in a high-capacity lithium secondary battery, and a lithium secondary battery including the same. The electrolyte for a lithium secondary battery may include a lithium salt, a solvent, and a functional additive, wherein the functional additive includes 5,5-diallyl-3-(tert-butyldimethylsilyl)oxazolidin-2-one as a positive electrode film additive.
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7.
公开(公告)号:US20230207876A1
公开(公告)日:2023-06-29
申请号:US17893856
申请日:2022-08-23
申请人: Hyundai Motor Company , Kia Corporation , UNIST (Ulsan National Institute of Science and Technology)
发明人: Yoon Sung Lee , Jun Ki Rhee , Ko Eun Kim , Sung Ho Ban , Seung Min Oh , Sang Kyu Kwak , Sung You Hong , Nam Soon Choi , Min Ho Jeon , Hyeong Jun Kim , Hui Beom Nam
IPC分类号: H01M10/0567 , H01M4/525 , H01M4/505 , H01M10/0525 , H01M10/0568 , H01M10/0569
CPC分类号: H01M10/0567 , H01M4/525 , H01M4/505 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2004/028
摘要: Disclosed is an additive for an electrolyte solution to improve the electrochemical properties of a lithium secondary battery.
Especially, an electrolyte solution for a lithium secondary battery include: an electrolyte salt, an organic solvent, and one or more additives comprising a vinylene carbonate (VC) compound having a structure of Formula 1 and 4-allyl-2-methoxyphenyl fluoro sulfate having a structure of Formula 2:-
8.
公开(公告)号:US20230207875A1
公开(公告)日:2023-06-29
申请号:US17870046
申请日:2022-07-21
申请人: HYUNDAI MOTOR COMPANY , KIA CORPORATION , UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
发明人: Yoon Sung Lee , Jun Ki Rhee , Ko Eun Kim , Sung Ho Ban , Seung Min Oh , Sung You Hong , Sang Kyu Kwak , Nam Soon Choi , Hyeong Jun Kim , Hui Beom Nam , Min Ho Jeon
IPC分类号: H01M10/0567 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M4/505 , H01M4/525 , C07C309/87
CPC分类号: H01M10/0567 , C07C309/87 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M2004/028 , H01M2300/004
摘要: An additive for an electrolyte solution improves the electrochemical properties of a lithium secondary battery.
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9.
公开(公告)号:US20240178450A1
公开(公告)日:2024-05-30
申请号:US18504499
申请日:2023-11-08
发明人: Ko Eun Kim , Sung Ho Ban , Yoon Sung Lee , Jun Ki Rhee , Hui Beom Nam , Hyeon Gyu Moon , Nam-Soon Choi , Jeong Woo Lee , Sung You Hong
IPC分类号: H01M10/0567 , C07F7/18 , H01M10/0525 , H01M10/42
CPC分类号: H01M10/0567 , C07F7/1804 , H01M10/0525 , H01M10/4235 , H01M2300/004
摘要: An embodiment electrolyte solution includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes 4-((tert-butoxydimethylsilyl)methyl)-5-methyl-1,3-dioxol-2-one represented by
as an electrode film additive. An embodiment lithium secondary battery includes the above-described electrolyte solution, a positive electrode including a positive electrode active material including Ni, Co, and Mn, a negative electrode including a carbon-based negative electrode active material or a silicon-based negative electrode active material, and a separator interposed between the positive electrode and the negative electrode.-
公开(公告)号:US11769880B2
公开(公告)日:2023-09-26
申请号:US17460036
申请日:2021-08-27
发明人: Sang Mok Park , Seung Min Oh , Woo Young Jin , Ji Eun Lee , Sang Hun Lee , Ko Eun Kim , Jun Ki Rhee , Yoon Sung Lee
CPC分类号: H01M4/60 , H01M4/0471 , H01M4/364 , H01M4/621 , H01M4/624
摘要: A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.
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