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公开(公告)号：US10483548B2
公开(公告)日：2019-11-19
申请号：US14301136
申请日：2014-06-10
发明人： Han-Eol Park , Seon-Young Kwon , Do-Hyung Park , Jong-Seo Choi , Ji-Hyun Kim , Min-Han Kim , Joong-Ho Moon , Kyoung-Hyun Kim
IPC分类号： H01M4/66 , H01M4/70 , H01M4/131 , H01M10/052
摘要： An electron collector structure and a lithium battery including the same are disclosed. The electron collector structure includes a conductive thin film; and a graphene layer that is coated on the surface of the conductive thin film and may improve the electrical conductivity of an electrode plate. As an electrode of the lithium battery includes the electron collector structure, the electrical conductivity of the electrode may be increased so that the energy consumption properties as well as the lifespan characteristics of the lithium battery may be also improved.
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2.发明授权Composite cathode active material, and cathode and lithium battery including the material 有权复合阴极活性材料，以及包括该材料的阴极和锂电池公开(公告)号：US09450241B2
公开(公告)日：2016-09-20
申请号：US13795051
申请日：2013-03-12
发明人： Ji-Hyun Kim , Yong-Chan You , Chang-Wook Kim , Jun-Seok Park
CPC分类号： H01M4/505 , C01G45/125 , C01G53/50 , Y02E60/122
摘要： A composite cathode active material represented by the formula (1−x)LiM1aM2bM3cO2−xLi2M4O3, wherein M1, M2, and M3 are each independently selected from the group of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B); M4 is selected from the group consisting of manganese (Mn), titanium (Ti0, and zirconium (Zr); M1, M2, and M3 are different from one another; and 0.5
摘要翻译： 由式（1-x）LiM1aM2bM3cO2-xLi2M4O3表示的复合正极活性物质，其中M1，M2和M3各自独立地选自钛（Ti），钒（V），铬（Cr），锰（ Mn），铁（Fe），钴（Co），镍（Ni），铜（Cu），铝（Al），镁（Mg），锆（Zr）和硼（B） M4选自锰（Mn），钛（TiO和锆（Zr））; M1，M2和M3彼此不同; 0.5
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3.发明申请POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME 有权用于可充电锂电池的正极活性材料，其制备方法和包括其的可充电锂电池公开(公告)号：US20150364756A1
公开(公告)日：2015-12-17
申请号：US14682022
申请日：2015-04-08
发明人： Ji-Hyun Kim , Chang-Wook Kim , Sang-Woo Cho , Yong-Chan You
CPC分类号： H01M4/366 , C01G45/1257 , C01G53/006 , C01G53/54 , C01P2004/03 , C01P2004/64 , C01P2004/88 , C01P2006/40 , H01M4/0471 , H01M4/131 , H01M4/1391 , H01M4/485 , H01M4/505 , H01M4/525
摘要： A positive active material for a rechargeable lithium battery includes a core including an overlithiated oxide represented by Chemical Formula 1, a first coating layer on the core and including a compound having a spinel structure, and a second coating layer on the first coating layer and including a compound represented by Chemical Formula 2. The compound having a spinel structure shows a peak between about 2.6 V and about 2.7 V in a graph of differential capacity dQ/dV vs. voltage, where the voltage is between about 4.7 V and about 2.5 V. xLi2MnO3.(1−x)LiNiaCobMncO2 Chemical Formula 1 LidTieO2 Chemical Formula 2 In the above Chemical Formulae 1 and 2, x, a, b, c, d and e are as defined in the specification.
摘要翻译： 用于可再充电锂电池的正极活性材料包括：核心，其包括由化学式1表示的重叠氧化物，芯上的第一涂层，并且包含具有尖晶石结构的化合物，以及在第一涂层上的第二涂层， 由化学式2表示的化合物。具有尖晶石结构的化合物在差分电容dQ / dV与电压的曲线图中显示出约2.6V至约2.7V之间的峰值，其中电压为约4.7V至约2.5V xLi2MnO3（1-x）LiNiaCobMncO2化学式1 LidTieO2化学式2在上述化学式1和2中，x，a，b，c，d和e如说明书中所定义。
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4.发明申请COMPOSITE PRECURSOR OF CATHODE ACTIVE MATERIAL, CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY CONTAINING THE CATHODE ACTIVE MATERIAL, AND METHOD OF PREPARING COMPOSITE PRECURSOR 审中-公开含阴极活性材料的阴极活性材料，阴极活性材料，阴极和锂电池的复合前体以及制备复合前体的方法公开(公告)号：US20150284259A1
公开(公告)日：2015-10-08
申请号：US14617812
申请日：2015-02-09
发明人： Jin-Hwa Kim , Do-Hyung Park , Seon-Young Kwon , Min-Han Kim , Jun-Seok Park , Ji-Hyun Kim , Kyoung-Hyun Kim
IPC分类号： C01G51/04 , H01M10/052 , H01M4/525
CPC分类号： C01G51/04 , C01P2002/72 , C01P2004/03 , C01P2004/61 , C01P2004/82 , C01P2006/11 , H01M4/525 , Y10T428/2982
摘要： Provided are a composite precursor of a cathode active material, the composite precursor including a cobalt hydroxide and a cobalt oxyhydroxide, where an X-ray diffraction spectrum of the composite precursor has a first peak observed at a diffraction angle (2θ) of 19.5°±0.5° and a second peak observed at a diffraction angle (2θ) of 38.5°±0.5°; a cathode active material prepared from the composite precursor; a cathode and a lithium battery including the composite precursor; and a method of preparing the composite precursor.
摘要翻译： 提供一种阴极活性材料的复合前体，复合前体包括氢氧化钴和羟基氧化钴，其中复合前体的X射线衍射光谱在衍射角（2θ）处观察到的第一个峰为19.5° ±0.5°，衍射角（2θ）观察到的第二个峰为38.5°±0.5°; 由所述复合前体制备的正极活性物质; 包括所述复合前体的阴极和锂电池; 以及制备复合前体的方法。
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公开(公告)号：US11142465B2
公开(公告)日：2021-10-12
申请号：US14617812
申请日：2015-02-09
发明人： Jin-Hwa Kim , Do-Hyung Park , Seon-Young Kwon , Min-Han Kim , Jun-Seok Park , Ji-Hyun Kim , Kyoung-Hyun Kim
摘要： Provided are a composite precursor of a cathode active material, the composite precursor including a cobalt hydroxide and a cobalt oxyhydroxide, where an X-ray diffraction spectrum of the composite precursor has a first peak observed at a diffraction angle (2θ) of 19.5°±0.5° and a second peak observed at a diffraction angle (2θ) of 38.5°±0.5°; a cathode active material prepared from the composite precursor; a cathode and a lithium battery including the composite precursor; and a method of preparing the composite precursor.
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公开(公告)号：US10218001B2
公开(公告)日：2019-02-26
申请号：US15623993
申请日：2017-06-15
发明人： Ji-Hyun Kim
IPC分类号： H01M4/00 , H01M4/58 , H01M4/136 , H01M4/62 , H01M10/0525
摘要： A rechargeable lithium battery with improved electro-conductivity and improved rate characteristics and capacity characteristics is disclosed. The battery includes a positive active material that includes an olivine-type composite oxide; and a metal or an alloy thereof adhered to a surface of the olivine-type composite oxide, wherein the metal or the alloy is selected from the group consisting of germanium (Ge), zinc (Zn), gallium (Ga), and a combination thereof.
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7.发明授权公开(公告)号：US09570738B2
公开(公告)日：2017-02-14
申请号：US14582964
申请日：2014-12-24
发明人： Ji-Hyun Kim , Hyun-Joo Je , Chang-Wook Kim , Yong-Chan You
IPC分类号： H01M4/36 , H01M4/525 , H01M4/1391 , H01M10/0525 , H01M4/04 , H01M4/485 , H01M4/505 , H01M4/13 , H01M4/139
CPC分类号： H01M4/366 , H01M4/0402 , H01M4/0471 , H01M4/13 , H01M4/139 , H01M4/1391 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0525 , H01M2220/20 , H01M2220/30 , Y02E60/122
摘要： A positive active material, a positive electrode and a lithium battery containing the positive active material, and a method of manufacturing the positive active material are disclosed. The positive active material includes: a positive active material core particle for intercalating and deintercalating lithium ions; and a coating layer at least partially surrounding the positive active material core particle and including a ceramic composite represented by Formula 1. Li7+aLa3−bZr2−cMdO12+e Formula 1 In Formula 1, M comprises at least one selected from aluminum (Al), titanium (Ti), scandium (Sc), vanadium (V), yttrium (Y), niobium (Nb), hafnium (Hf), tantalum (Ta), silicon (Si), gallium (Ga), and germanium (Ge), and −1≦a≦1, 0≦b≦2, 0≦c≦2, 0≦d≦2, and 0≦e≦1.
摘要翻译： 在式1中，M包括从铝（Al），钛（Ti），钪（Sc），钒（V），钇（Y），铌（Nb），铪（Hf） ，硅（Si），镓（Ga）和锗（Ge），以及-1≤a≤1,0≤b≤2,0≤c≤2,0≤d≤2,0≤e≤1。
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8.发明申请POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME 有权用于可充电锂电池的正极活性材料，其制备方法和包括其的可充电锂电池公开(公告)号：US20140038039A1
公开(公告)日：2014-02-06
申请号：US13865832
申请日：2013-04-18
发明人： Ji-Hyun Kim , Yong-Chan You , Han-Eol Park
CPC分类号： H01M4/5825 , C01B25/45 , H01M10/052 , Y02E60/122
摘要： In an aspect, a positive active material for a rechargeable lithium battery that includes a lithium composite oxide including a Fe-containing compound phase and a Li-containing compound phase, a method of preparing the same, and a rechargeable lithium battery including the same are provided.
摘要翻译： 一方面，包括含有Fe的化合物相和含Li化合物相的锂复合氧化物的可再充电锂电池用正极活性物质，其制备方法以及包含该锂复合氧化物的可再充电锂电池， 提供。
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公开(公告)号：US10079384B2
公开(公告)日：2018-09-18
申请号：US13799111
申请日：2013-03-13
发明人： Ji-Hyun Kim , Yong-Chan You , Chang-Wook Kim , Jun-Seok Park
IPC分类号： H01M10/637 , H01M10/63 , H01M10/625 , H01M4/13 , H01M4/131 , H01M4/136 , H01M4/36 , H01M10/052 , C01G51/00 , C01G53/00 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/58
CPC分类号： H01M4/13 , C01G51/42 , C01G53/50 , C01P2004/04 , C01P2004/80 , C01P2004/84 , C01P2006/40 , H01M4/131 , H01M4/136 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M10/052 , Y02E60/122
摘要： A composite cathode active material, a cathode including the same, a lithium battery including the cathode, and preparation method thereof are disclosed. The composite cathode active material includes: a core capable of intercalating and deintercalating lithium; and a crystalline coating layer disposed on at least part of a surface of the core, wherein the coating layer include a metal oxide.
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公开(公告)号：US09899668B2
公开(公告)日：2018-02-20
申请号：US13955630
申请日：2013-07-31
发明人： Ji-Hyun Kim
CPC分类号： H01M4/364 , C01B25/45 , H01M4/0471 , H01M4/136 , H01M4/1397 , H01M4/366 , H01M4/5825 , H01M4/625
摘要： Disclosed is a method of preparing a positive active material for a rechargeable lithium battery that includes mixing an iron source including a carbon source, a lithium source, and a phosphoric acid source to form a positive active material precursor for a rechargeable lithium battery, the positive active material precursor including a lithium iron phosphate precursor and a carbon precursor; pulverizing the positive active material precursor for a rechargeable lithium battery; and heat-treating the pulverized positive active material precursor for a rechargeable lithium battery.
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