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公开(公告)号：US12126018B2
公开(公告)日：2024-10-22
申请号：US17296284
申请日：2019-11-25
发明人： Jung Hoon Song , Sang Cheol Nam , Kwon Young Choi
IPC分类号： H01M4/525 , C01G53/00 , H01M4/02 , H01M4/505 , H01M10/0525
CPC分类号： H01M4/525 , C01G53/50 , H01M4/505 , H01M10/0525 , C01P2004/51 , H01M2004/021 , H01M2004/028
摘要： The present invention provides a cathode active material for a lithium secondary battery comprising secondary particles in which primary particles represented by Chemical Formula 1 below are aggregated, wherein the average particle size (D50) of the secondary particles is 2.5 μm or more and 7 μm or less, and the average value of the sphericity coefficient, which is the ratio (l/w) of the long axis length (l) to the short axis length (w) of the secondary particles, is 1.0 to 1.25.
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公开(公告)号：US20240297290A1
公开(公告)日：2024-09-05
申请号：US18268172
申请日：2021-12-17
申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO Chemical Co., Ltd.
发明人： Choongmo YANG , Yong Hyun LEE , Jongyun MOON , Byoung Mu DO , Yeong Woo KIM , Sang Keun SONG , Soon Cheol HWANG , Jeong Heon HEO , Ji Woong MOON , Woo Taek KIM , Hyeon Woo KIM , Keeyoung JUNG , Yooncheol PARK , Min Young HWANG
CPC分类号： H01M4/0471 , F27B17/0083 , F27B2017/0091 , H01M2004/028
摘要： A vertical type apparatus for firing a cathode material of a secondary battery is provided. The vertical type apparatus for firing the cathode material according to the present disclosure includes a plurality of saggers, each having an open upper portion, provided with a through-slit for gas flow in a lower surface thereof, and loaded with the cathode material therein, and a plurality of unit firing furnaces, each having an open upper portion, each plurally stacked in the vertical direction, each receiving the respective sagger.
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公开(公告)号：US11932549B2
公开(公告)日：2024-03-19
申请号：US17265371
申请日：2019-08-02
发明人： Juyoung Kim , Ki Young Kim , Woonkyoung Park , Jung Kwan Park , Woo Chul Jung , Kwang Seok Park , Hyun Woo Lee , Sang Won Kim , Heok Yang , Seung Taek Kuk
CPC分类号： C01D15/06 , B01J8/006 , B01J19/0066 , B01J2208/00867 , B01J2208/00902 , C01P2006/80
摘要： It is introduced that a device of manufacturing lithium sulfate comprising: a reaction body in which a reaction of lithium phosphate and sulfuric acid is performed, the reaction body being divided into an upper space and a lower space; a pressurizer for applying pressure to the inside of the reaction body; a stirrer disposed in the upper space for stirring the lithium phosphate and sulfuric acid to produce a mixture containing lithium sulfate and phosphoric acid; and a filter disposed inside the reaction body and separating the filtrate containing the phosphoric acid into the lower space by filtering the mixture.
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公开(公告)号：US20240063385A1
公开(公告)日：2024-02-22
申请号：US18268764
申请日：2021-12-13
发明人： Sang Cheol NAM , Kwon Young CHOI , Jung Hoon SONG , Sang Hyuk LEE
CPC分类号： H01M4/525 , C01G53/04 , C01G53/42 , C01P2002/52 , C01P2006/12 , C01P2004/80 , C01P2006/40 , C01P2004/03 , C01P2004/04 , C01P2002/02 , C01P2002/60 , H01M2004/021
摘要： The present exemplary embodiments provide a positive electrode active material, a manufacturing method thereof, and a lithium secondary battery including the same. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including a center and a surface portion positioned on the surface of the center, but the metal oxide particle is composed of a single particle, and the surface portion includes a film in which no peak is observed during XRD measurement.
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公开(公告)号：US11905587B2
公开(公告)日：2024-02-20
申请号：US17414283
申请日：2019-12-18
发明人： Ji Hoon Yang , Jae In Jeong , Kyung Hwang Lee , Yong Hwa Jung , Tae Yeob Kim
IPC分类号： C23C14/16 , C23C14/58 , C23C2/12 , C23C2/28 , C23C28/02 , C21D9/46 , B32B15/01 , C23C14/56 , C23C2/26 , C22C30/06 , C22C21/06 , B32B15/18 , C22C18/00 , C23C2/06 , C23C30/00 , B32B15/04 , C23C14/14 , C22C21/10 , C22C21/00 , C23C14/06 , C22C18/04
CPC分类号： C23C14/165 , B32B15/01 , B32B15/012 , B32B15/013 , B32B15/04 , B32B15/043 , B32B15/18 , C21D9/46 , C22C18/00 , C22C18/04 , C22C21/00 , C22C21/06 , C22C21/10 , C22C30/06 , C23C2/06 , C23C2/12 , C23C2/26 , C23C2/28 , C23C14/06 , C23C14/14 , C23C14/16 , C23C14/562 , C23C14/5806 , C23C28/02 , C23C28/021 , C23C28/023 , C23C28/025 , C23C30/00 , C23C30/005 , Y10T428/12736 , Y10T428/12743 , Y10T428/12757 , Y10T428/12799 , Y10T428/12951 , Y10T428/12958 , Y10T428/12972
摘要： The present invention relates to an alloy-coated steel sheet comprising: a steel sheet, and Al—Mg—Si—Zn alloy layer positioned on the steel sheet, wherein the Al—Mg—Si—Zn alloy layer comprises a Mg—Zn alloy phase, and wherein the Mg—Zn alloy phase comprises MgZn2 and Mg2Zn11, and the Mg—Zn alloy phase further comprises at least one of MgZn, Mg21Zn25, Mg51Zn20 and Mg2Zn3.
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6.发明授权公开(公告)号：US11901552B2
公开(公告)日：2024-02-13
申请号：US16770248
申请日：2018-12-07
申请人： POSCO HOLDINGS INC. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO FUTURE M CO., LTD.
发明人： Kwon Young Choi , Jong Il Park , Sang Cheol Nam , Sang Hyuk Lee
CPC分类号： H01M4/525 , H01M4/131 , H01M4/366 , H01M4/505 , H01M10/0525 , H01M2004/021 , H01M2004/028
摘要： The present disclosure relates to a positive active material for a lithium rechargeable battery and a lithium rechargeable battery including the same, which include a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, and a content of the first compound is 65 wt % or more based of the positive active material of 100 wt %.
Lia1Nib1Coc1Mnd1M1e1M2f1O2-f1[ Chemical Formula 1]
Lia2Nib2COc2Mnd2M3e2M4f2O2-f2[ Chemical Formula 2]
Chemical Composition 1 and 2 of each composition and molar ratio is as defined in the specification. Each composition and molar ratio of Chemical Formula 1 and 2 is as defined in the specification.-
公开(公告)号：US11901538B2
公开(公告)日：2024-02-13
申请号：US17278795
申请日：2018-11-30
发明人： Keeyoung Jung , Choong-Mo Yang , Hyeon-Woo Kim , Yoon-Cheol Park , Sori Son
IPC分类号： H01M10/6571 , H01M10/613 , H01M10/615 , H01M10/647 , H01M10/658 , H01M50/262 , H01M50/209 , H01M10/054 , H01M10/0585 , H01M50/50 , H01M50/264 , H01M50/271 , H01M50/291 , H01M50/503 , H01M50/216
CPC分类号： H01M10/6571 , H01M10/054 , H01M10/0585 , H01M10/613 , H01M10/615 , H01M10/647 , H01M10/658 , H01M50/209 , H01M50/216 , H01M50/262 , H01M50/264 , H01M50/271 , H01M50/291 , H01M50/50 , H01M50/503
摘要： A sodium secondary battery module, according to an exemplary embodiment of the present invention, may comprise: unit stacks in which a plurality of unit cells are laminated, the plurality of unit cells each having an upper cap and a lower cap which seal up a plate-shaped solid electrolyte and a positive electrode component and a negative electrode component which are plate-shaped and respectively disposed on two sides of the solid electrolyte; separators which are interposed between the unit stacks while the plurality of unit stacks are arranged in columns and rows, so as to separate spaces between the unit stacks; and a case for accommodating the plurality of unit stacks and the separators.
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公开(公告)号：US11827524B2
公开(公告)日：2023-11-28
申请号：US16772913
申请日：2018-06-19
申请人： POSCO HOLDINGS INC. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO FUTURE M CO., LTD.
发明人： Ki Sung You , Hwang Yol Ryu
CPC分类号： C01D5/08 , B01J19/24 , C01C1/185 , C01C1/24 , H01M4/0497 , H01M4/58 , H01M10/054 , B01J2219/00029 , B01J2219/00033 , H01M2004/028
摘要： A method for preparing a cathode active material precursor for a secondary battery, including: moving a co-precipitation filtrate generated after a co-precipitation reaction to a co-precipitation filtrate storage tank; removing a metal hydroxide by passing the co-precipitation filtrate through a filter; reacting the co-precipitation filtrate from which the metal hydroxide is removed with sulfuric acid or nitric acid to produce an ammonium sulfate or an ammonium nitrate while removing ammonia from the co-precipitation filtrate from which the metal hydroxide is removed; cooling and crystallizing the co-precipitation filtrate from which the metal hydroxide and ammonia are removed to precipitate a sodium sulfate; filtering the precipitated sodium sulfate to separate the precipitated sodium sulfate from the co-precipitation filtrate from which the metal hydroxide and ammonia are removed; drying the sodium sulfate separated from the co-precipitation filtrate and moving the co-precipitation filtrate separated from the sodium sulfate to a circulation concentration tank; and heating the co-precipitation filtrate stored in the circulation concentration tank to a predetermined temperature for recycling and performing N2 purging or bubbling, is provided.
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公开(公告)号：US20230320957A1
公开(公告)日：2023-10-12
申请号：US18023956
申请日：2021-08-27
申请人： POSCO , POSTECH Research and Business Development Foundation , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
发明人： Kyong-Tai KIM , Kwang-Ho KWON , Sung-Wook KIM , Sung-Woo JEONG
IPC分类号： A61K8/35 , A61K31/122 , A61Q17/04 , A61Q19/08
CPC分类号： A61K8/35 , A61Q19/08 , A61Q17/04 , A61K31/122
摘要： Disclosed is a composition for anti-aging or skin regeneration comprising Isoprocurcumenol, and use of Isoprocurcumenol or a salt thereof and, more particularly, to a composition for anti-aging or skin regeneration comprising Isoprocurcumenol represented by the following formula (1) or a salt thereof, and use of Isoprocurcumenol or a salt thereof.
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公开(公告)号：US20230046285A1
公开(公告)日：2023-02-16
申请号：US17785698
申请日：2020-11-25
发明人： Won Ha , Mok Young Lee
摘要： The present invention relates to a radiant tube apparatus disposed in a heat treatment facility to perform a heat treatment of a strip and a method for manufacturing the same. The radiant tube apparatus includes a tube having an internal pipe, wherein the tube has a first continuous pattern and a second continuous pattern extending side by side and spaced apart from each other at a predetermined distance on a surface, and, in each of the first continuous pattern and the second continuous pattern, a plurality of unit patterns having a predetermined height from the surface are connected to each other in a longitudinal direction.
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