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公开(公告)号：US20240030402A1
公开(公告)日：2024-01-25
申请号：US18357033
申请日：2023-07-21
发明人： Kanghee Lee , Woojin Bae , Shinya Wakita , Junyong Lee , Jongseok Moon , Jongseok Park , Jinhwan Park , Hyunsik Woo , Heemin Kim
IPC分类号： H01M4/136 , H01M10/0525 , H01M4/40 , H01M4/62 , H01M4/1397 , H01M4/131
CPC分类号： H01M4/136 , H01M10/0525 , H01M4/405 , H01M4/625 , H01M4/1397 , H01M4/131 , H01M2004/027
摘要： An anode for lithium metal batteries, a lithium metal battery including the anode, and a method of manufacturing the anode for lithium metal batteries are provided. The anode for lithium metal batteries includes: an anode current collector; and a protective layer on the anode current collector, where an anode active material layer is disposed or absent between the anode current collector and the protective layer, the protective layer may include sulfurized polyacrylonitrile, and the anode active material layer may include a lithium metal and/or a lithium alloy.
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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.
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公开(公告)号：US20210043925A1
公开(公告)日：2021-02-11
申请号：US17078269
申请日：2020-10-23
发明人： Donghan Kim , Ryounghee Kim , Jinhwan Park , Jayhyok Song , Byongyong Yu , Byungjin Choi
摘要： A composite positive electrode active material includes: a first metal oxide that has a layered structure and is represented by Formula 1; and a second metal oxide that has a spinel structure and is represented by Formula 2, wherein the composite positive electrode active material includes a composite of the first metal oxide and the second metal oxide: LiMO2 Formula 1 LiMe2O4 Formula 2 wherein, in Formulas 1 and 2, M and Me are each independently at least one element selected from Groups 2 to 14 of the periodic table, and a molar ratio of Li/(M+Me) in the composite is less than 1.
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公开(公告)号：US20180205084A1
公开(公告)日：2018-07-19
申请号：US15873287
申请日：2018-01-17
发明人： Dongjin Ham , Jayhyok Song , Donghee Yeon , Jinhwan Park , Daechul Yoo
IPC分类号： H01M4/58 , H01M10/054 , H01M10/052 , H01M4/04 , H01M4/86 , H01M4/88
CPC分类号： H01M4/5825 , H01M4/0459 , H01M4/366 , H01M4/525 , H01M4/62 , H01M4/8657 , H01M4/8882 , H01M10/052 , H01M10/0525 , H01M10/054
摘要： An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.
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公开(公告)号：US09742005B2
公开(公告)日：2017-08-22
申请号：US14806903
申请日：2015-07-23
发明人： Byungjin Choi , Donghan Kim , Ryounghee Kim , Jinhwan Park
IPC分类号： C01G45/12 , C01G53/00 , H01M4/36 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/02 , H01M10/052
CPC分类号： H01M4/364 , C01G45/1228 , C01G45/125 , C01G45/1264 , C01G53/50 , C01P2002/34 , C01P2002/72 , C01P2004/82 , C01P2006/40 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/028
摘要： A composite cathode active material including: a first metal oxide having a layered crystal structure; and a second metal oxide having a perovskite crystal structure, wherein the second metal oxide includes a first metal and a second metal that are each 12-fold cubooctahedrally coordinated to oxygen. Also a cathode including the composite cathode material and a lithium battery containing the cathode.
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6.发明申请公开(公告)号：US20170194643A1
公开(公告)日：2017-07-06
申请号：US15367443
申请日：2016-12-02
发明人： Sungjin Ahn , Jinhwan Park , Jayhyok Song , Andrei KAPYLOU , Byongyong Yu
CPC分类号： H01M4/525 , C01G45/1257 , C01G53/006 , C01G53/50 , C01P2002/50 , C01P2002/52 , C01P2002/72 , C01P2002/88 , C01P2004/03 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2004/82 , H01M4/131 , H01M4/1315 , H01M4/505 , H01M10/0525 , H01M2004/021 , H01M2004/028
摘要： A positive active material includes an overlithiated lithium transition metal oxide including: a metal cation and a Li2MO3 phase, wherein M is at least one metal selected from a Period 4 transition metal having an average oxidation number of +4 and a Period 5 transition metal having an average oxidation number of +4, and wherein an amount of the Li2MO3 phase is less than or equal to about 20 mole percent, based on 1 mole of the overlithiated lithium transition metal oxide.
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7.发明申请CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING THE CATHODE ACTIVE MATERIAL 有权阴极活性材料，阴极和锂电池，包括它们，以及制备阴极活性材料的方法公开(公告)号：US20160190557A1
公开(公告)日：2016-06-30
申请号：US14816146
申请日：2015-08-03
发明人： Ryounghee Kim , Byungjin Choi , Donghan Kim , Jinhwan Park
CPC分类号： H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028
摘要： A cathode active material including a layered lithium metal composite oxide including a first lithium metal oxide and a second lithium metal oxide having different crystal structures, and a third lithium metal oxide which is incapable of intercalating and deintercalating lithium in a charge and discharge voltage range of about 2.0 volts to about 4.7 volts versus lithium Li/Li+. Also, a cathode and a lithium battery including the cathode active material, and a method of preparing the cathode active material.
摘要翻译： 包括具有不同结晶结构的第一锂金属氧化物和第二锂金属氧化物的层状锂金属复合氧化物的正极活性物质和不能在充放电电压范围内插入和脱嵌锂的第三锂金属氧化物 对于Li / Li +相对于约2.0伏至约4.7伏。 另外，包括正极活性物质的阴极和锂电池，以及制备正极活性物质的方法。
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公开(公告)号：US12132202B2
公开(公告)日：2024-10-29
申请号：US17081125
申请日：2020-10-27
发明人： Dongwook Shin , Jinhwan Park
CPC分类号： H01M4/525 , C01G53/50 , H01M4/366 , H01M4/483 , H01M10/0525 , H01M2004/021 , H01M2004/028
摘要： This application relates to a cathode active material for a lithium secondary battery, a method of preparing the cathode active material, a cathode employing the cathode active material, and a lithium secondary battery employing the cathode. The cathode active material may include a secondary particle in which primary particles are aggregated and a first coating layer disposed on the plurality of primary particles to have a thickness of about 2.5 nm or less and including a NiO-like crystalline phase belonging to a Fm3-m space group. The cathode active material may prevent surface deterioration through a washing process using a weakly acidic or neutral organic buffer, thereby improving the initial efficiency characteristic and life characteristics of the lithium secondary battery while maintaining the initial capacity of the lithium secondary battery.
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公开(公告)号：US20240322245A1
公开(公告)日：2024-09-26
申请号：US18610134
申请日：2024-03-19
发明人： Woojin Bae , Jongseok Moon , Kanghee Lee , Hyunsik Woo , Jongseok Park , Heemin Kim , Jinhwan Park
IPC分类号： H01M10/0567 , H01M4/62 , H01M4/66 , H01M10/052 , H01M10/0569
CPC分类号： H01M10/0567 , H01M4/622 , H01M4/661 , H01M4/667 , H01M10/052 , H01M10/0569 , H01M2300/0028
摘要： Provided are an anode and a lithium battery including the same, the anode including a protective layer that includes a binder, wherein the binder includes a first polymer, which is at least one selected from fluorine-substituted polyamic acid and fluorine-substituted polyimide and includes a first functional group, and a third polymer, which is a product of a crosslinking reaction of a water-soluble second polymer and includes a second functional group, wherein the first polymer and the water-soluble second polymer are cross-linked by an ester bond formed by a reaction between the first functional group and the second functional group.
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公开(公告)号：US20240322221A1
公开(公告)日：2024-09-26
申请号：US18614240
申请日：2024-03-22
发明人： Woojin Bae , Jongseok Moon , Kanghee Lee , Hyunsik Woo , Heemin Kim , Jongseok Park , Jinhwan Park , Dongwon Kim , Ahyeon Ban , Jinah Roh , Jaekyung Choi
IPC分类号： H01M10/056 , H01M4/66 , H01M10/052
CPC分类号： H01M10/056 , H01M4/661 , H01M10/052 , H01M2300/0091
摘要： An electrode structure, a method of manufacturing the electrode structure and a lithium battery including the electrode structure are provided. The electrode structure includes an electrode current collector, and a polymer electrolyte provided on the electrode current collector, wherein the electrode current collector contains nickel (Ni), chromium (Cr), or zinc (Zn). The polymer electrolyte includes a cross-linked structure containing a repeating unit (A) derived from a first polymer and a repeating unit (B) derived from a second polymer, the first polymer includes a polymer containing a polar functional group, and the second polymer includes a polyurethane-based polymer.
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