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21.发明公开
公开(公告)号：EP4266444A1
公开(公告)日：2023-10-25
申请号：EP21907055.4
申请日：2021-12-14
发明人： KWON, Ohmin , MOON, Ji Woong , NAM, Sang Cheol , PARK, Yong Sun
IPC分类号： H01M10/0562 , C01B25/14 , H01B1/06
摘要： It relates to a solid electrolyte and an all-solid-state battery containing it, which contains a sulfur compound represented by Chemical Formula 1 below and B in an amount of 10 ppm to 100,000 ppm.
[Chemical Formula 1] Li 7-x PS 6-x Cl 1-y Br y
(In the Chemical Formula 1, 1-
22.发明公开
公开(公告)号：EP4037024A2
公开(公告)日：2022-08-03
申请号：EP20868827.5
申请日：2020-09-23
发明人： CHOI, Kwon Young , PARK, Inchul , PARK, Jong Il , PARK, Jung Woo , KIM, Young Sang , NAM, Sang Cheol
IPC分类号： H01M4/36 , H01M4/62 , H01M4/525 , H01M4/505 , H01M10/052
摘要： The present exemplary embodiments relate to a positive electrode active material, a manufacturing method thereof, and a lithium secondary battery including the same.
According to an exemplary embodiment, it is possible to provide a positive electrode active material containing: a lithium metal oxide, and a coating layer positioned on the surface of the lithium metal oxide, and the coating layer comprises a first compound having a peak observed in the range of 1580 cm -1 to 1600 cm -1 when measured by FT-IR and an average transmittance of the peak in the 0.990 to 0.998 range.-
23.发明公开
公开(公告)号：EP4020630A1
公开(公告)日：2022-06-29
申请号：EP20854029.4
申请日：2020-08-13
发明人： NAM, Sang Cheol , CHOI, Kwon Young
摘要： The present exemplary embodiments relate to a cathode active material, a manufacturing method thereof, and a lithium secondary battery including the same. A cathode active material according to an exemplary embodiment is a lithium metal oxide particle in the form of a secondary particle including a primary particle, a coating layer including a boron compound is positioned on at least a portion of a surface of the primary particle, and the boron compound includes an amorphous structure.
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24.发明公开
公开(公告)号：EP3852173A1
公开(公告)日：2021-07-21
申请号：EP19859256.0
申请日：2019-09-16
IPC分类号： H01M4/36 , H01M4/525 , H01M4/505 , H01M10/052 , C01G53/00
摘要： A positive active material, a manufacturing method thereof, and a lithium secondary battery including the same are disclosed, and a positive active material including lithium metal oxide particles in a secondary particle form including primary particles, wherein the secondary particle surface includes planar primary particles with a narrow angle of 70 to 90° from among angles between a c axis of the primary particles and a straight line connecting a virtual point of a center of the primary particle and a center point of the secondary particle may be provided.
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公开(公告)号：EP3550644A2
公开(公告)日：2019-10-09
申请号：EP17878046.6
申请日：2017-11-29
发明人： NAM, Sang Cheol , SONG, Jung Hoon
IPC分类号： H01M4/36 , H01M4/525 , H01M10/0525 , C01G53/04
摘要： This proposes a minimum core radius for nickel-based metal hydroxide particles having a core-shell gradient (CSG) in which a concentration of nickel in a core portion is constantly maintained and a concentration of nickel in a shell portion is sharply decreased.
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26.发明公开
公开(公告)号：EP4456238A1
公开(公告)日：2024-10-30
申请号：EP22911940.9
申请日：2022-12-21
发明人： KWON, Ohmin , NAM, Sang Cheol , PARK, Yongsun , KIM, Young Sang , OH, Gwangseok , CHOI, Bokkyu
IPC分类号： H01M10/0562 , H01M10/052 , H01B1/06 , C01B25/14
摘要： The present invention relates to a solid electrolyte, its manufacturing method, and a lithium secondary battery including the same. In an exemplary embodiment, a solid electrolyte may have some of its halogen elements doped with oxygen.
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27.发明公开
公开(公告)号：EP3890071A1
公开(公告)日：2021-10-06
申请号：EP19889609.4
申请日：2019-11-29
IPC分类号： H01M4/525 , H01M4/505 , H01M10/052
摘要： A positive active material for a lithium secondary battery and a lithium secondary battery including the same are provided, wherein the positive active material includes lithium, nickel, cobalt, manganese, and a doping element, and the doping element may include Zr, Al, and Ti.
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公开(公告)号：EP3553855A1
公开(公告)日：2019-10-16
申请号：EP17881416.6
申请日：2017-12-07
IPC分类号： H01M4/485 , H01M4/525 , H01M4/131 , H01M10/0525
摘要： A positive electrode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium transition metal composite oxide and doping metals doped in the lithium-transition metal composite oxide, wherein the doping metals includes at least two kinds and the average oxidation number of the doping metals is greater than 3.5.
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29.发明公开
公开(公告)号：EP3896760A1
公开(公告)日：2021-10-20
申请号：EP18943305.5
申请日：2018-12-13
发明人： NAM, Sang Cheol , KIM, Jae Han , KIM, Jeong Han , SONG, Jung Hoon
IPC分类号： H01M4/36 , H01M4/525 , H01M4/505 , H01M10/052
摘要： The present disclosure relates to a positive electrode active material for lithium secondary battery comprising a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2, wherein, a content of the first compound is 65 wt% or more based on 100 wt% of the positive electrode active material, and a lithium secondary battery comprising the same.
[Chemical Formula 1] Lia1 Nib1Coc1 Mn d1 M1 e1 M2 f1 O 2-f1
[Chemical Formula 2] Li a2 Ni b2 CO c2 Mn d2 M3 e2 M4 f2 O 2-f2
wherein, each composition and molar ratio of Chemical Formulas 1 and 2 are as defined in the specification.-
公开(公告)号：EP3890075A1
公开(公告)日：2021-10-06
申请号：EP19891357.6
申请日：2019-11-12
发明人： PARK, Jong Il , LEE, Jae Myung , HWANGBO, Geun , NAM, Sang Cheol
IPC分类号： H01M4/62 , H01M4/13 , H01M10/052 , C01G51/00
摘要： The present invention relates to a positive electrode additive for a lithium secondary battery, a manufacturing method thereof, a positive electrode for a lithium secondary battery including the same, and a lithium secondary battery including the same.
The positive electrode additive for a lithium secondary battery according to an exemplary embodiment of the present invention is represented by Chemical Formula 1 below.
[Chemical Formula 1] Li 6x Co 1-y M y O 4
(In the Chemical Formula 1, 0.9≤x≤1.1, 0 a W b , 0≤a≤0.1, 0≤b≤0.1, and, a and b are not simultaneously 0.)
Another positive electrode additive for a lithium secondary battery according to an exemplary embodiment of the present invention includes a core represented by Chemical Formula 2 below; and a coating layer comprising at least one of boron (B) and tungsten (W).
[Chemical Formula 2] L1 6x CoO 4
(In the Chemical Formula 2, 0.9≤x≤1.1.)
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