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公开(公告)号：US12085339B2
公开(公告)日：2024-09-10
申请号：US17787769
申请日：2020-12-01
CPC分类号： F27B9/36 , B01J19/0006 , F27B9/2407 , F27B9/26 , F27B9/3005 , F27B9/32
摘要： An apparatus for calcining a secondary battery cathode material includes: a calcination furnace including an inner space that includes a temperature rising space, a temperature maintaining space, and a cooling space, which sequentially communicate; a plurality of rollers for transferring a sagger, in which a cathode material is accommodated, from the temperature rising space to the cooling space via the temperature maintaining space; a plurality of heaters arranged along the inner space; a plurality of gas feeding parts for feeding gas to the inner space; and a plurality of exhaust parts for exhausting gas from the inner space, wherein the cross-sectional area of the temperature maintaining space is smaller than the cross-sectional area of the temperature rising space and the cross-sectional area of the cooling space.
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公开(公告)号：US20240297305A1
公开(公告)日：2024-09-05
申请号：US18268831
申请日：2021-12-13
申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD
发明人： Jung Hoon SONG , Sang Cheol NAM , Sang Hyuk LEE , Kwon Young CHOI , Inchul PARK , Ohmin KWON
IPC分类号： H01M4/525 , H01M4/02 , H01M4/36 , H01M10/052
CPC分类号： H01M4/525 , H01M4/364 , H01M10/052 , H01M2004/021 , H01M2004/028
摘要： The present exemplary embodiments relate to a positive electrode active material and a lithium secondary battery including the same. According to an exemplary embodiment, a positive electrode active material for a lithium secondary battery including a metal oxide particle including nickel, cobalt, manganese and aluminum, and three types of doping elements doped on the metal oxide particle is provided.
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公开(公告)号：US20240282950A1
公开(公告)日：2024-08-22
申请号：US18268756
申请日：2021-12-20
申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD
发明人： Jung Hoon SONG , Sang Cheol NAM , Sanghyuk LEE , Kwon Young CHOI , Inchul PARK , Ohmin KWON
IPC分类号： H01M4/525 , C01G53/00 , H01M4/02 , H01M4/131 , H01M10/0525
CPC分类号： H01M4/525 , C01G53/50 , H01M4/131 , H01M10/0525 , C01P2002/52 , C01P2002/74 , C01P2004/62 , C01P2006/40 , H01M2004/028
摘要： The present exemplary embodiments relate to a positive electrode active material and a lithium secondary battery including the same. According to an exemplary embodiment, a positive electrode active material for a lithium secondary battery including a metal oxide particle including nickel, cobalt and manganese, and five types of doping elements doped on the metal oxide particles is provided.
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公开(公告)号：US11611074B2
公开(公告)日：2023-03-21
申请号：US16958231
申请日：2018-12-18
申请人： POSCO HOLDINGS INC. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD.
发明人： Sung Hwan Min , Jeong Han Kim , Jung Hoon Song
IPC分类号： H01M4/48 , H01M4/04 , H01M4/131 , H01M4/1391 , H01M10/0525 , H01M4/02
摘要： The present invention relates to a positive active material for lithium secondary battery, its manufacturing method, and lithium secondary battery including the same, and it provides that a positive active material for lithium secondary battery, comprising: a core and a coating layer, wherein, the core is lithium metal oxide, the coating layer comprises boron, the boron compound in the coating layer comprises a lithium boron oxide and a boron oxide, the lithium boron oxide is included 70 wt % or more and 99 wt % in the entire coating layer, the lithium boron oxide comprises Li2B4O7, with respect to the lithium boron oxide 100 wt %, the content of Li2B4O7 is 55 wt % or more and 99 wt % or less.
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公开(公告)号：US20230053769A1
公开(公告)日：2023-02-23
申请号：US17787814
申请日：2020-12-01
发明人： Choongmo YANG , Soon Cheol HWANG , Yooncheol PARK , Keeyoung JUNG
摘要： A vertical-type firing apparatus for a positive electrode material for a secondary battery, for vertically moving and firing the positive electrode material for the secondary battery, comprises: a vertical-type firing furnace including an exhaust part, an air supply part, and a firing space positioned between the exhaust part and the air supply part; and a heater for heating the firing space of the vertical-type firing furnace, wherein the firing space includes a temperature-raising space, a cooling space, and a temperature-maintaining space located between the temperature-raising space and the cooling space, and the temperature of the temperature-maintaining space is higher than the temperature of the temperature-raising space and the temperature of the cooling space.
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公开(公告)号：US20230041710A1
公开(公告)日：2023-02-09
申请号：US17787191
申请日：2020-12-18
发明人： Kwon Young CHOI , Sang Cheol NAM , Sang Hyuk LEE , Inchul PARK , Jong Il PARK , Jung Hoon SONG , Ohmin KWON
摘要： Embodiments of the present invention relate to a cathode active material, a method for manufacturing the same, and a lithium secondary battery including the same.
According to an embodiment, a cathode active material can be provided, the cathode active material comprising: a lithium metal oxide including a core and a shell disposed on a surface of the core; and a coating layer disposed on a surface of the lithium metal oxide, wherein a c value that satisfies Equation 1 and is in a range of 0.3 to 0.7, and the core and the shell have a layered crystalline structure. c=b/a [Equation 1] (in Equation 1, a is a peak at 530 to 533 eV and b is a peak at 528 to 531 eV in an XPS spectrum of the coating layer)-
7.发明申请公开(公告)号：US20220388852A1
公开(公告)日：2022-12-08
申请号：US17636671
申请日：2020-08-13
发明人： Sang Cheol NAM , Kwon Young CHOI
IPC分类号： C01B35/12 , H01M10/052
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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公开(公告)号：US20210376317A1
公开(公告)日：2021-12-02
申请号：US16957027
申请日：2018-12-18
发明人： Sung Hwan Min , Jeong Han Kim , Jung Hoon Song
IPC分类号： H01M4/505 , H01M4/525 , H01M10/0525
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.
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公开(公告)号：US20180355461A1
公开(公告)日：2018-12-13
申请号：US16060755
申请日：2016-12-16
申请人： POSCO
发明人： Seong-Ung KOH , Jae-Hyun PARK , Yoen-Jung PARK , Moo-Jong BAE
IPC分类号： C22C38/58 , C22C38/02 , C22C38/06 , C22C38/00 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C21D6/00 , C21D8/02
摘要： The present invention relates to a thick steel plate having excellent low-temperature toughness and hydrogen-induced cracking resistance, and a method for manufacturing the same.
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10.发明申请PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT WELDABILITY AND CORROSION RESISTANCE, FORMING MEMBER, AND MANUFACTURING METHOD THEREOF 审中-公开具有优异的焊接性和耐腐蚀性，成型性的热压成型用钢板及其制造方法公开(公告)号：US20170029955A1
公开(公告)日：2017-02-02
申请号：US15102833
申请日：2014-12-12
申请人： POSCO
发明人： Myung-Soo KIM , Hyeon-Seok HWANG , Young-Jin KWAK
IPC分类号： C23C28/02 , C23C24/02 , C22C38/60 , C22C38/38 , C22C38/32 , C22C38/28 , C22C38/26 , C22C38/24 , C22C38/22 , C22C38/04 , C22C38/02 , C22C38/00 , B32B15/01 , B21D22/02 , C23C2/12
CPC分类号： C23C28/021 , B21D22/022 , B32B15/011 , B32B15/012 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/38 , C22C38/60 , C23C2/12 , C23C2/28 , C23C14/14 , C23C24/02 , C23C28/42
摘要： The present invention relates to a plated steel sheet for hot press forming, a hot-press forming member manufactured using the same, and a manufacturing method thereof. The plated steel sheet comprises: a base steel sheet and a composite plated layer that is formed on at least one surface of the base steel sheet, and has a Mn-based plated layer and an Al-based plated layer alternately formed therein, an Al-based plated layer being formed on the uppermost layer thereof, wherein the composite plated layer has a total thickness of 5 to 30 μm, and in this case, the Mn-based plated layer accounts for 5 to 60% of the total thickness.
摘要翻译： 本发明涉及一种热压成形用镀覆钢板，使用其制造的热压成形件及其制造方法。 电镀钢板包括：基体钢板和形成在基体钢板的至少一个表面上的复合镀层，并且其中交替地形成有Mn基镀层和Al系镀层，Al 的镀层形成在其最上层，其中复合镀层的总厚度为5〜30μm，在这种情况下，Mn系镀层占总厚度的5〜60％。
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