-
公开(公告)号：US20240322128A1
公开(公告)日：2024-09-26
申请号：US18477428
申请日：2023-09-28
发明人： Inhyuk Son , Andrei Kapylou , Sangkook Mah , Sungnim Jo , Kyueun Shim , Soojin Kim
CPC分类号： H01M4/366 , C01G53/42 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/052 , C01P2002/54 , C01P2004/84 , C01P2006/40 , H01M2004/028
摘要： A composite cathode active material, a cathode and a lithium battery that include the composite cathode active material, and a method of preparing the composite cathode active material are provided. The composite cathode active material includes: a core including a lithium transition metal oxide; and a shell on and conformed to a surface of the core, where the shell includes: at least one first metal oxide represented by MaOb (where 0
-
公开(公告)号：US10290862B2
公开(公告)日：2019-05-14
申请号：US15181838
申请日：2016-06-14
发明人： Sungjin Ahn , Byongyong Yu , Jayhyok Song , Andrei Kapylou , Jinhwan Park
IPC分类号： H01M4/36 , H01M4/505 , H01M4/525 , H01M4/04 , H01M4/131 , C01G53/00 , H01M10/0525 , H01M4/02
摘要： A composite cathode active material includes: a first metal oxide including a plurality of layered crystalline phases comprising a first layered crystalline phase and a second layered crystalline phase, wherein the first and second layered crystalline phases have a different compositions than each other, and a second metal oxide different from the first metal oxide and including a composite crystalline phase, that is different from the first metal oxide, wherein the second metal oxide is represented by Formula 1, wherein at least a portion of the second metal oxide is disposed on a first layered crystalline phase of the plurality of layered crystalline phases of the first metal oxide, and wherein the first layer crystalline phase is in a space group of R-3m: LixMyOz Formula 1 wherein, in Formula 1, 0≤x≤3, 1≤y≤3, and 2≤z≤8, and M is at least one selected from a Group 4 element to a Group 13 element.
-
公开(公告)号：US09912006B2
公开(公告)日：2018-03-06
申请号：US14456986
申请日：2014-08-11
发明人： Jay-Hyok Song , Andrei Kapylou , Jun-Seok Park , Chang-Wook Kim , Yong-Chan You , Sun-Ho Kang
CPC分类号： H01M10/052 , C01G45/12 , C01G53/50 , C01P2002/50 , C01P2004/03 , C01P2006/40 , H01M4/505 , H01M4/525 , Y02T10/7011
摘要： Provided are a method of manufacturing a composite positive active material, a composite positive active material manufactured by the method, and a positive electrode and a lithium battery including the composite positive active material. The method may include acid-treating an overlithiated lithium transition metal oxide; and applying fluorine onto the acid-treated overlithiated lithium transition metal oxide using a fluorine compound.
-
公开(公告)号：US20240222616A1
公开(公告)日：2024-07-04
申请号：US18477451
申请日：2023-09-28
发明人： Sungnim Jo , Inhyuk Son , Sangkook Mah , Kyueun Shim , Andrei Kapylou , Taehyun Park , Jinhyon Lee
IPC分类号： H01M4/505 , H01M4/525 , H01M4/62 , H01M10/052 , H01M50/105
CPC分类号： H01M4/505 , H01M4/525 , H01M4/623 , H01M4/625 , H01M10/052 , H01M50/105 , H01M2004/021
摘要： A dry electrode film, and a dry electrode and a lithium battery each including the dry electrode film are provided. The dry electrode film includes a dry electrode active material and a dry binder, wherein the dry electrode active material includes a core and a shell on a surface of the core, the shell includes at least one first metal oxide and a first carbonaceous material, the first metal oxide is located in a first carbonaceous material matrix, and the first metal oxide is represented by formula MaOb (where 0
-
公开(公告)号：US20230170479A1
公开(公告)日：2023-06-01
申请号：US17993610
申请日：2022-11-23
发明人： Inhyuk Son , Guesung Kim , Sangkook Mah , Kyueun Shim , Andrei Kapylou , Sungnim Jo , Jinhwan Park , Jongseok Moon
CPC分类号： H01M4/525 , H01M4/505 , H01M4/366 , H01M4/625 , H01M2004/021
摘要： A composite cathode active material, a cathode and a lithium battery including the composite cathode active material, and a preparation method of the composite cathode active material are provided. The composite cathode active material includes a first core including a first lithium transition metal oxide; a second core including a second lithium transition metal oxide; and a shell along a surface of at least one of the first core or the second core, wherein the shell includes a first metal oxide represented by Formula MaOb and a carbonaceous material, wherein the first metal oxide is within a carbonaceous metal matrix, the first lithium transition metal oxide and the second lithium transition metal oxide have a different particle size from each other, and the second lithium transition metal oxide includes a primary particle having a particle size of about 1 μm or more.
-
6.发明授权公开(公告)号：US09947930B2
公开(公告)日：2018-04-17
申请号：US14537038
申请日：2014-11-10
发明人： Jay-Hyok Song , Byong-Yong Yu , Andrei Kapylou , Sol Choi , Yong-Chan You , Sun-Ho Kang
IPC分类号： H01M4/36 , H01M4/1315 , H01M4/13915 , H01M4/62 , H01M10/052 , H01M4/525 , H01M4/505 , H01M4/02
CPC分类号： H01M4/628 , H01M4/1315 , H01M4/13915 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/021 , H01M2004/028 , Y02T10/7011
摘要： A positive active material, a method of preparing the same, and a lithium battery including the positive active material, the positive active material including a core, the core including an overlithiated lithium transition metal oxide; and a coating layer on the core, the coating layer including Li3VO4.
-
7.发明公开公开(公告)号：US20240170666A1
公开(公告)日：2024-05-23
申请号：US18549572
申请日：2022-03-10
发明人： Sungnim Jo , Sangkook Mah , Inhyuk Son , Guesung Kim , Jongseok Moon , Andrei Kapylou
CPC分类号： H01M4/525 , H01M4/04 , H01M4/362 , H01M4/583 , H01M10/052 , H01M2004/028
摘要： Provided are a composite cathode active material, a cathode and a lithium battery that include the same, and a method of preparing the composite cathode active material, the composite cathode active material comprising: a core; and a first shell and a second shell that are disposed on an outer side of a surface of the core, wherein the first shell includes at least one first metal compound represented by Formula XaOb (where 0
-
公开(公告)号：US10741840B2
公开(公告)日：2020-08-11
申请号：US16119170
申请日：2018-08-31
发明人： Dongjin Ham , Jayhyok Song , Andrei Kapylou , Jinhwan Park , Youhwan Son , San Moon , Sungjin Ahn , Donghee Yeon , Jinsu Ha , Kwangjin Park , Byungjin Choi
IPC分类号： H01M4/13 , H01M4/525 , H01M10/052 , H01M4/131 , H01M4/36 , H01M4/505 , H01M10/0525 , H01M4/02
摘要： A cathode active material includes a secondary particle including an aggregate of a plurality of primary particles, wherein the secondary particle includes a nickel-containing lithium transition metal oxide having a layered crystal structure, wherein the plurality of primary particles includes a first primary particle having a size greater than about 400 nanometers, a second primary particle having a size less than about 150 nanometers, and a third primary particle having a size of about 150 nanometers to about 400 nanometers, wherein the third primary particle has a area of greater than or equal to about 80% of a total area of the plurality of primary particles, and wherein the secondary particle has a porosity of less than or equal to about 10% of a total area of the cathode active material.
-
公开(公告)号：US10593935B2
公开(公告)日：2020-03-17
申请号：US15153867
申请日：2016-05-13
发明人： Sungjin Ahn , Jinhwan Park , Jayhyok Song , Andrei Kapylou , Byongyong Yu
摘要： A positive active material includes an over-lithiated lithium transition metal oxide having a core-shell structure, wherein a shell layer of the core-shell structure includes a metal cation.
-
公开(公告)号：US10290861B2
公开(公告)日：2019-05-14
申请号：US15161759
申请日：2016-05-23
发明人： Byungjin Choi , Andrei Kapylou , Donghan Kim , Jinhwan Park , Jayhyok Song , Sungjin Ahn , Donghee Yeon , Byongyong Yu
摘要： A composite positive active material includes: a composite including a first metal oxide represented by Formula 1 and having a layered structure, and a second metal oxide having at least one crystal structure selected from a layer structure, a perovskite structure, a rock salt structure, and a spinel structure, wherein a content of the second metal oxide is greater than 0 and equal to or less than 0.2 moles, per mole of the composite, LiNixM11-xO2-eM2e Formula 1 wherein, in Formula 1, M1 is at least one element selected from Group 4 to Group 14 of the Periodic Table of the Elements; Ma is at least one element selected from F, S, Cl, and Br; 0.7≤x
-
-
-
-
-
-
-
-
-
搜索结果
24 条记录 (耗时 0.017 秒)
