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公开(公告)号：EP4089763A1
公开(公告)日：2022-11-16
申请号：EP22160620.5
申请日：2022-03-07
发明人： LEE, Jinhyon , KWON, Ilkyong , NAM, Junghyun , NAM, Hyun , LEE, Donggeun
摘要： Provided are an electrode, a lithium battery including the same, and an electrode manufacturing method, the electrode including: an electrode active material layer including an electrode active material and a binder; an electrode current collector on one surface or between two surfaces of the electrode active material layer; and an interlayer located between the electrode active material layer and the electrode current collector, wherein the electrode active material layer includes: a first electrode active material layer including a first electrode active material and contacting the interlayer; and a second electrode active material layer arranged on the first electrode active material layer and including a second electrode active material layer.
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2.发明公开
公开(公告)号：EP4210128A1
公开(公告)日：2023-07-12
申请号：EP21864597.6
申请日：2021-08-26
发明人： YANG, Mihwa , NAM, Junghyun , SONG, Hyo-jung , YOON, Hyejin , LEE, Jinhee
IPC分类号： H01M4/13 , H01M4/133 , H01M50/46 , H01M50/446 , H01M10/058 , H01M10/0525 , H01M4/02
摘要： The present invention relates to an electrode assembly for a lithium secondary battery and a lithium secondary battery including the same, the electrode assembly comprising: a current collector, a negative electrode comprising a negative electrode active material layer located on the current collector and an organic-inorganic composite layer integrated with the negative electrode active material layer, and a positive electrode, wherein the organic-inorganic composite layer comprises an organic layer and an inorganic layer.
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3.发明公开
公开(公告)号：EP4372860A1
公开(公告)日：2024-05-22
申请号：EP23185917.4
申请日：2023-07-17
发明人： YOU, Duckjae , KOO, Kyoseon , NAM, Junghyun , MOON, Jeunggi , SONG, Hyo-jung , YANG, Mihwa , YANG, Hosung , LEE, Jinhee , JANG, Jinyoung , LEE, Byoung-Sun , SHIN, Hyeji , KIM, Heeyeon
IPC分类号： H01M10/0525 , H01M50/434 , H01M50/446 , H01M50/46 , H01M50/449 , H01M50/426 , H01M50/483 , H01M50/489
CPC分类号： H01M50/446 , H01M50/434 , H01M10/0525 , H01M50/489 , H01M50/46 , H01M50/426 , H01M50/483 , H01M50/449
摘要： Disclosed are a separator for a rechargeable lithium battery, a negative electrode-separator assembly for a rechargeable lithium battery, and a rechargeable lithium battery, the separator including a ceramic layer including ceramic particles and a binder, and a functional layer including inorganic particles having a working potential (vs Li/Li+) of greater than or equal to about 1 V and a binder on the ceramic layer.
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4.发明公开
公开(公告)号：EP4024498A1
公开(公告)日：2022-07-06
申请号：EP21218366.9
申请日：2021-12-30
发明人： LEE, Jinhyon , KWON, Ilkyong , NAM, Junghyun , NAM, Hyun , LEE, Donggeun
IPC分类号： H01M4/04 , H01M4/139 , H01M4/62 , H01M4/66 , H01M10/052
摘要： An electrode, a lithium battery comprising the same, and a method of manufacturing the electrode are provided. The electrode includes: an electrode active material layer including an electrode active material and a binder; an electrode current collector disposed on one surface or between opposite surfaces of the electrode active material layer; and an interlayer disposed between the electrode active material layer and the electrode current collector, wherein, when the electrode active material layer is measured by a surface and interfacial cutting analysis system (SAICAS), the ratio of change in a vertical relative force (F VR ) between a first point 5% away from the surface of the electrode active material layer facing away from the electrode current collector, and a second point 5% away from the surface of the electrode current collector, with respect to the total thickness of the electrode active material layer, is 300% or less.
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公开(公告)号：EP4439694A2
公开(公告)日：2024-10-02
申请号：EP24166501.7
申请日：2024-03-26
发明人： KWON, Ilkyong , LEE, Jinhyon , KWON, Seunguk , KIM, Seongdae , NAM, Junghyun
CPC分类号： H01G11/28 , H01G11/86 , H01M4/133 , H01M4/139 , H01M4/1393 , H01M4/0404 , H01M4/0435 , H01M4/622 , H01M4/625 , H01M4/661
摘要： Provided are a method of preparing a dry electrode, a system for preparing a dry electrode, and a lithium battery including a dry electrode prepared according to the method, wherein the method includes preparing a cut electrode current collector, applying a dry mixture onto the cut electrode current collector to prepare a first dry electrode plate, and rolling the first dry electrode plate to prepare a dry electrode, wherein the applying of the dry mixture is performed by using a cartridge including a drum having a surface on which a plurality of protrusions are provided.
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公开(公告)号：EP3767725A1
公开(公告)日：2021-01-20
申请号：EP19767622.4
申请日：2019-03-05
发明人： SEOK, Hoon , NAM, Junghyun , YOO, Heeeun , YOON, Yeonhee , LEE, Kyuseo , JEON, Bokkyu , HA, Jaehwan
IPC分类号： H01M10/04 , H01M10/058 , H01M2/16
摘要： The present invention relates to an electrode assembly and a rechargeable battery including same. The electrode assembly may comprise: a negative electrode, a positive electrode, and a separator interposed between the negative electrode and the positive electrode and including a first surface facing the negative electrode and a second surface facing the positive electrode, a first functional layer positioned on the first surface and including a fibrous polymer and a heat resistant polymer, and a second functional layer positioned on the second surface and including an inorganic particle and an organic particle.
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7.发明公开
公开(公告)号：EP4239749A1
公开(公告)日：2023-09-06
申请号：EP22781399.5
申请日：2022-02-21
发明人： LEE, Jinhee , NAM, Junghyun , SONG, Hyo-jung , YANG, Mihwa , YOON, Hyejin
IPC分类号： H01M10/058 , H01M50/46 , H01M50/489 , H01M50/434 , H01M50/446 , H01M50/414 , H01M4/13 , H01M10/0525 , H01M4/133 , H01M4/02
摘要： The present invention relates to an electrode assembly for a lithium secondary battery, and a lithium secondary battery comprising same, the electrode assembly comprising a current collector, an anode comprising an anode active material layer located on the current collector and a functional layer integrated with the anode active material layer; and a cathode, wherein the functional layer includes at least one inorganic layer and the peel strength of the functional layer is 0.2 N/m or greater.
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公开(公告)号：EP4167332A1
公开(公告)日：2023-04-19
申请号：EP22201734.5
申请日：2022-10-14
发明人： SONG, Hyo-jung , KOO, Kyoseon , KIM, Minjae , NAM, Junghyun , MOON, Jeunggi , YANG, Mihwa , YOU, Duckjae , LEE, Jinhee
IPC分类号： H01M10/04 , H01M10/052 , H01M10/0583 , H01M50/46 , H01M50/466
摘要： An electrode assembly and a rechargeable lithium battery including the same
are disclosed herein. The electrode assembly includes an electrode and a separator, wherein the electrode includes a current collector, an electrode active material layer on the current collector, and an adhesive layer on the electrode active material layer; and wherein the separator has a larger surface area than the adhesive layer of the electrode; and a surface of the separator opposing the adhesive layer of the electrode is divided into an adhesive region in contact with the adhesive layer of the electrode and an overhang region not in contact with the adhesive layer of the electrode.-
9.发明公开
公开(公告)号：EP3537517A2
公开(公告)日：2019-09-11
申请号：EP17868245.6
申请日：2017-10-31
发明人： JEON, Bokkyu , NAM, Junghyun , SEOK, Hoon , YOO, Heeeun , YOON, Yeonhee , JIN, Mokyun
IPC分类号： H01M4/136 , H01M4/58 , H01M10/0525 , H01M10/42
摘要： The present invention relates to a positive electrode for a lithium secondary battery and a lithium secondary battery comprising the same, wherein the positive electrode comprises: a current collector; an active material layer formed on the current collector and comprising a compound capable of intercalating and deintercalating lithium; and a coating layer formed on the active material layer and comprising an aqueous binder and a compound of Chemical Formula 1 having an average particle diameter (D50) of 2 µ m or less.
[Chemical Formula 1] Li a Fe 1-x M x PO 4
(In Chemical Formula 1, 0.90 ≤ a ≤ 1.8, 0 ≤ x ≤ 0.7, and
M is Mg, Co, Ni, or a combination thereof)
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