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1.发明申请公开(公告)号：US20170117535A1
公开(公告)日：2017-04-27
申请号：US15149542
申请日：2016-05-09
发明人： Dukhyoung Yoon , Sangkook Mah
IPC分类号： H01M4/134 , H01M4/62 , H01M4/1395 , H01M10/0569 , H01M4/66 , H01M2/16 , H01M10/0525 , H01M10/0568 , H01M4/38 , H01M4/04
CPC分类号： H01M4/134 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/485 , H01M4/5825 , H01M4/587 , H01M4/625 , H01M4/64
摘要： A composite anode active material includes: a core comprising silicon; and a carbonaceous shell, wherein the carbonaceous shell includes a carbonaceous material and lithium titanium oxide.
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公开(公告)号：US10658654B2
公开(公告)日：2020-05-19
申请号：US15149542
申请日：2016-05-09
发明人： Dukhyoung Yoon , Sangkook Mah
IPC分类号： H01M4/64 , H01M4/134 , H01M4/38 , H01M4/62 , H01M4/1395 , H01M4/485 , H01M4/133 , H01M4/131 , H01M4/36 , H01M4/58 , H01M4/587 , H01M4/1393 , H01M4/1391
摘要： A composite anode active material includes: a core comprising silicon; and a carbonaceous shell, wherein the carbonaceous shell includes a carbonaceous material and lithium titanium oxide.
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3.发明授权公开(公告)号：US10756350B2
公开(公告)日：2020-08-25
申请号：US15656476
申请日：2017-07-21
发明人： Woojin Bae , Seunguk Kwon , Sangkook Mah , Jeeeun Yang , Dukhyoung Yoon , Sungsoo Han
IPC分类号： H01M4/62 , H01M4/60 , C08G73/10 , C08G81/02 , C08L87/00 , H01M4/36 , H01M4/38 , H01M4/587 , H01M6/16 , H01M10/0568 , H01M10/0569 , H01M10/0567
摘要： A binder includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer includes a first functional group and is at least one selected from a polyamic acid and a polyimide, wherein the second polymer includes a second functional group and is water-soluble, and wherein the first polymer and the second polymer are cross-linked by an ester bond formed by a reaction of the first functional group and the second functional.
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4.发明授权公开(公告)号：US10553865B2
公开(公告)日：2020-02-04
申请号：US15227366
申请日：2016-08-03
发明人： Heeyoung Chu , Jaehyuk Kim , Soonsung Suh , Hana Yoo , Seunguk Kwon , Dukhyoung Yoon
IPC分类号： H01M4/38 , H01M10/0525 , H01M10/0568 , H01M2/16 , H01M4/04 , H01M4/131 , H01M4/134 , H01M4/505 , H01M4/525 , H01M4/62 , H01M4/66 , H01M4/1395 , H01M10/0569 , H01M4/02
摘要： A negative active material includes a silicon-based alloy, and the silicon-based alloy includes a Si single phase, a FeSi2 alpha phase, and a FeSi2 beta phase, wherein an intensity ratio of a second diffraction peak of the FeSi2 beta phase to a first diffraction peak of the FeSi2 alpha phase may be 0.1 or higher. A negative electrode includes the negative active material and a lithium battery includes the negative electrode. Lifespan characteristics of the lithium battery including the negative active material may improve.
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公开(公告)号：US10164251B2
公开(公告)日：2018-12-25
申请号：US14956293
申请日：2015-12-01
发明人： Soonsung Suh , Jaehyuk Kim , Heeyoung Chu , Hana Yoo , Seunguk Kwon , Dukhyoung Yoon
摘要： A negative active material includes a silicon-based alloy, wherein the silicon-based alloy includes silicon (Si); a first metal (M1) selected from titanium (Ti), vanadium (V), chromium (Cr), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), gallium (Ga), and germanium (Ge), and at least one additional element (A), which is included in the silicon-based alloy and on a surface of silicon-based alloy, selected from carbon (C), boron (B), sodium (Na), nitrogen (N), phosphorous (P), sulfur (S), and chlorine (Cl), and the silicon-based alloy has an internal porosity of about 35% or less. A lithium battery including the negative active material may have improved lifespan characteristics.
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6.发明申请公开(公告)号：US20170098825A1
公开(公告)日：2017-04-06
申请号：US15227366
申请日：2016-08-03
发明人： Heeyoung Chu , Jaehyuk Kim , Soonsung Suh , Hana Yoo , Seunguk Kwon , Dukhyoung Yoon
IPC分类号： H01M4/38 , H01M4/04 , H01M4/134 , H01M4/1395 , H01M4/62 , H01M10/0569 , H01M4/131 , H01M4/525 , H01M4/505 , H01M2/16 , H01M10/0568 , H01M10/0525 , H01M4/66
摘要： A negative active material includes a silicon-based alloy, and the silicon-based alloy includes a Si single phase, a FeSi2 alpha phase, and a FeSi2 beta phase, wherein an intensity ratio of a second diffraction peak of the FeSi2 beta phase to a first diffraction peak of the FeSi2 alpha phase may be 0.1 or higher. A negative electrode includes the negative active material and a lithium battery includes the negative electrode. Lifespan characteristics of the lithium battery including the negative active material may improve.
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公开(公告)号：US10553863B2
公开(公告)日：2020-02-04
申请号：US15870731
申请日：2018-01-12
发明人： Hana Yoo , Seunguk Kwon , Jaehyuk Kim , Soonsung Suh , Dukhyoung Yoon
IPC分类号： H01M4/38 , H01M4/134 , H01M4/36 , H01M10/052 , C08K3/08
摘要： A negative active material for a lithium secondary battery and a lithium secondary battery including the same are provided. The negative active material may be a silicon (Si)-based alloy negative active material. In some embodiments, the Si-based alloy negative active material may include Si, iron (Fe), copper (Cu), and aluminum (Al), and may have a Si single phase and a first alloy phase, the first alloy phase being represented by a formula of AlxCuy, where x
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8.发明申请NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL 审中-公开负极活性材料和锂电池，包括负极活性材料公开(公告)号：US20160181598A1
公开(公告)日：2016-06-23
申请号：US14956293
申请日：2015-12-01
发明人： Soonsung Suh , Jaehyuk Kim , Heeyoung Chu , Hana Yoo , Seunguk Kwon , Dukhyoung Yoon
IPC分类号： H01M4/36 , H01M4/58 , H01M10/0525 , H01M4/38
CPC分类号： H01M4/366 , B22F1/025 , B22F2999/00 , C22C21/00 , C22C24/00 , H01M4/362 , H01M4/386 , H01M4/5825 , H01M10/0525 , H01M2220/20 , H01M2220/30 , Y02T10/7011 , B22F1/0018
摘要： A negative active material includes a silicon-based alloy, wherein the silicon-based alloy includes silicon (Si); a first metal (M1) selected from titanium (Ti), vanadium (V), chromium (Cr), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), gallium (Ga), and germanium (Ge), and at least one additional element (A), which is included in the silicon-based alloy and on a surface of silicon-based alloy, selected from carbon (C), boron (B), sodium (Na), nitrogen (N), phosphorous (P), sulfur (S), and chlorine (Cl), and the silicon-based alloy has an internal porosity of about 35% or less. A lithium battery including the negative active material may have improved lifespan characteristics.
摘要翻译： 负极活性材料包括硅基合金，其中硅基合金包括硅（Si）; 选自钛（Ti），钒（V），铬（Cr），铁（Fe），钴（Co），镍（Ni），铜（Cu），锌（Zn） Ga）和锗（Ge）以及至少一种附加元素（A），其包含在硅基合金中以及硅基合金的表面上，所述硅基合金选自碳（C），硼（B）， 钠（Na），氮（N），磷（P），硫（S）和氯（Cl）），硅基合金的内部孔隙率为约35％以下。 包含负极活性物质的锂电池可以具有改善的寿命特性。
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9.发明申请公开(公告)号：US20180261837A1
公开(公告)日：2018-09-13
申请号：US15870731
申请日：2018-01-12
发明人： Hana Yoo , Seunguk Kwon , Jaehyuk Kim , Soonsung Suh , Dukhyoung Yoon
IPC分类号： H01M4/38 , H01M4/36 , H01M10/052 , H01M4/134 , C08K3/08
CPC分类号： H01M4/38 , C08K3/08 , C08K2003/0812 , C08K2003/085 , C08K2003/0856 , C22C28/00 , H01M4/134 , H01M4/364 , H01M4/386 , H01M10/052 , H01M10/0525 , H01M2004/027
摘要： A negative active material for a lithium secondary battery and a lithium secondary battery including the same are provided. The negative active material may be a silicon (Si)-based alloy negative active material. In some embodiments, the Si-based alloy negative active material may include Si, iron (Fe), copper (Cu), and aluminum (Al), and may have a Si single phase and a first alloy phase, the first alloy phase being represented by a formula of AlxCuy, where x
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公开(公告)号：US09882217B2
公开(公告)日：2018-01-30
申请号：US14920911
申请日：2015-10-23
发明人： Sora Lee , Dukhyoung Yoon , Hyeri Eom
CPC分类号： H01M4/62 , H01M4/13 , H01M4/364 , H01M4/366 , H01M4/386 , H01M4/587 , H01M4/625 , H01M10/052
摘要： A negative electrode slurry composition includes a negative active material, a binder, and a dispersant. The dispersant includes a polyacrylic acid (PAA) having a weight average molecular weight (Mw) greater than 10 and less than 10,000. A negative electrode and a lithium battery include the negative electrode slurry composition.
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