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1. 发明授权

US10297816B2 Lithium secondary battery having improved safety and stability 有权
公开(公告)号：US10297816B2
公开(公告)日：2019-05-21
申请号：US14361176
申请日：2012-02-09
申请人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
发明人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
IPC分类号： H01M4/36 , H01M10/05 , H01M4/13 , H01M4/52 , H01M4/50 , H01M4/62 , H01M4/58 , H01M10/42 , H01M10/052 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/587 , H01M4/38
摘要： Disclosed is an electrode active material including a core formed from one selected from the group consisting of lithium-containing transition metal oxide, a carbon material, a lithium metal, and a metal compound, or mixtures thereof, and a shell formed on a surface of the core and including lithium metal oxide particles and polymer, and a lithium secondary battery using the same.

2. 发明授权

US10283762B2 Anode active material for lithium secondary battery, method for preparing the same and lithium secondary battery comprising the same 有权
公开(公告)号：US10283762B2
公开(公告)日：2019-05-07
申请号：US12528064
申请日：2009-05-26
申请人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
发明人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
IPC分类号： H01M4/485 , H01M4/587 , H01M4/36 , H01M4/62 , H01M10/0525 , H01M4/02
摘要： Provided are an anode active material for a lithium secondary battery, a method of preparing the same and a lithium secondary battery comprising the same. The anode active material for a lithium secondary battery includes a carbonaceous material core; and a shell formed outside of the carbonaceous material core. The shell includes a plurality of spinel-type lithium titanium oxide particles, and a plurality of metal oxide particles, wherein the metal belongs to group 4 or 13 of the periodic table, the metal oxide particles filling voids formed by the carbonaceous material and the plurality of spinel-type lithium titanium oxide particles. The anode active material for a lithium secondary battery has the metal oxide shell, and thus has the improved conductivity, a high output density, and consequently excellent electrical characteristics. The lithium secondary battery manufactured using the anode active material ensures safety sufficiently.

3. 发明授权

US09172091B2 Core-shell type anode active material for lithium secondary batteries, method for preparing the same and lithium secondary batteries comprising the same 有权
标题翻译：锂二次电池用的核壳型负极活性物质及其制造方法以及包含该锂二次电池的锂二次电池
公开(公告)号：US09172091B2
公开(公告)日：2015-10-27
申请号：US12528104
申请日：2008-12-16
申请人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
发明人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
IPC分类号： H01M4/587 , H01M4/36 , H01M10/0525 , H01M10/42 , H01M4/02
CPC分类号： H01M4/587 , H01M4/02 , H01M4/364 , H01M4/366 , H01M10/0525 , H01M10/4235 , H01M2004/021 , H01M2200/106 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： Provided are a core-shell type anode active material for lithium secondary batteries including a carbonaceous material core; and a shell formed outside the carbonaceous material core, the shell including a PTC (Positive Temperature Coefficient) medium. The core-shell type anode active material for lithium secondary batteries has the shell including the PTC medium, and thus has the improved conductivity and high output density, exhibiting excellent electrical characteristics. And, a lithium secondary battery manufactured using the anode active material has excellent safety, in particular safety against overcharge and external short circuit.
摘要翻译：提供一种锂 - 二次电池的核 - 壳型负极活性物质，其包括碳质材料芯; 以及形成在碳质材料芯外部的外壳，壳体包括PTC（正温度系数）介质。用于锂二次电池的核 - 壳型阳极活性材料具有包括PTC介质的外壳，因此具有改善的导电性和高输出密度，具有优异的电特性。并且，使用阳极活性物质制造的锂二次电池具有优异的安全性，特别是针对过充电和外部短路的安全性。

4. 发明申请

US20140087233A1 LITHIUM SECONDARY BATTERY 有权
标题翻译：锂二次电池
公开(公告)号：US20140087233A1
公开(公告)日：2014-03-27
申请号：US14094265
申请日：2013-12-02
申请人： Ji-Jun HONG , In-Beom HWANG , Sung-Tae KO , Yoon-Jeong HEO
发明人： Ji-Jun HONG , In-Beom HWANG , Sung-Tae KO , Yoon-Jeong HEO
IPC分类号： H01M2/16
CPC分类号： H01M2/1686 , H01M4/131 , H01M4/133 , H01M4/485 , H01M4/587 , H01M10/0525 , Y02E60/122 , Y02T10/7011
摘要： The present invention relates to a lithium secondary battery. More specifically, according to embodiments of the present invention the lithium battery, which includes a cathode, an anode, and a separate membrane inserted between the cathode and the anode, is characterized in that the separator membrane is a polyolefin porous membrane which has an aramid coating layer; and the cathode includes a lithium metal oxide cathode active material which has an olivine-type iron phosphate lithium coating layer, or the anode includes a carbon anode active material which has a spinel-type lithium titanium oxide coating layer. The lithium secondary battery in accordance with embodiments of the present invention has excellent basic electric performance and improved stability.
摘要翻译：锂二次电池技术领域本发明涉及锂二次电池。更具体地，根据本发明的实施例，包括阴极，阳极和插入在阴极和阳极之间的单独膜的锂电池的特征在于隔膜是具有芳族聚酰胺的聚烯烃多孔膜涂层; 并且阴极包括具有橄榄石型磷酸铁锂涂层的锂金属氧化物正极活性物质，或者阳极包括具有尖晶石型锂钛氧化物被覆层的碳负极活性物质。根据本发明的实施方案的锂二次电池具有优异的基本电性能和改进的稳定性。

5. 发明授权

US06589300B2 Method for producing lithium secondary battery 有权
标题翻译：锂二次电池的制造方法
公开(公告)号：US06589300B2
公开(公告)日：2003-07-08
申请号：US09822058
申请日：2001-03-30
申请人： Ji Jun Hong
发明人： Ji Jun Hong
IPC分类号： H01M600
CPC分类号： H01M10/058 , H01M2/1653 , H01M2/1673 , H01M2/168 , H01M2/1686 , H01M2/18 , H01M4/0404 , H01M4/0407 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0565 , H01M2010/0495 , Y10T29/49112 , Y10T29/49114 , Y10T29/49115
摘要： The present invention relates to a method for producing a lithium secondary battery and more particularly, to a method for producing a lithium secondary battery comprising steps of unwinding a separation film for insulating electrodes by a roller, simultaneously coating an adhesive by an air injector on both surfaces of the separation film at regions where cathode plates and anode plates are to be attached to the separation film, simultaneously bonding the cathode plates and the anode plates respectively on the surfaces of the separation film while allowing the electrode plates on each surface of the separation film to be uniformly spaced apart from one another, laminating the bonded cathode plates and anode plates, and laminating the separation film bonded with the cathode plates and the anode plates so that the cathode plates and the anode plates are arranged alternately. According to the present invention, a lithium secondary battery can be made readily and efficiently.
摘要翻译：锂二次电池的制造方法技术领域本发明涉及一种锂二次电池的制造方法，更具体地说，涉及一种锂二次电池的制造方法，其特征在于，包括以下步骤：通过辊退出用于绝缘电极的分离膜，同时通过空气喷射器在两者上涂布粘合剂阴极板和阳极板附着在分离膜的区域处的分离膜的表面，同时将阴极板和阳极板分别粘合在分离膜的表面上，同时允许在分离的每个表面上的电极板膜彼此均匀地间隔开，层压粘合的阴极板和阳极板，并且层压与阴极板和阳极板结合的分离膜，使得阴极板和阳极板交替布置。根据本发明，可以容易且有效地制造锂二次电池。

6. 发明申请

US20120241666A1 CATHODE ACTIVE MATERIAL PRECURSOR AND ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY COMPRISING HOLLOW NANOFIBROUS CARBON, AND PRODUCTION METHOD THEREOF 审中-公开
标题翻译：用于包含中空纳米碳的可充电锂电池的阴极活性材料前体和活性材料及其生产方法
公开(公告)号：US20120241666A1
公开(公告)日：2012-09-27
申请号：US13513257
申请日：2010-12-06
申请人： Ji Jun Hong , Ki Taek Byun
发明人： Ji Jun Hong , Ki Taek Byun
IPC分类号： H01M4/583 , B82Y99/00
CPC分类号： H01M4/587 , H01M4/136 , H01M4/5825 , H01M4/625 , H01M10/0525
摘要： A cathode active material precursor for a rechargeable lithium battery including hollow nanofibrous carbon may be a composite cathode active material precursor for a rechargeable lithium battery including hollow nanofibrous carbon; and a cathode active material precursor joined to the skeleton of the hollow nanofibrous carbon, wherein the cathode active material precursor includes a metal composite of Ma(PO4)b.nH2O (Formula 1-1) or M(OH)c.nH2O (Formula 1-2), and a composite cathode material for a rechargeable lithium battery may be made electrically conductive by including a carbon substance, and the outside or the inside of the hollow nanofibrous carbon as well is charged with an olivine type lithium phosphate cathode material. Consequently, it is possible to improve electrical conductivity, and to ensure a high capacity density suitable for high-capacity batteries since the cathode active material is charged on the inside of the hollow nanofibrous carbon as well without wasting any space.
摘要翻译：包含中空纳米纤维碳的可再充电锂电池用正极活性物质前体可以是包含中空纳米纤维碳的可再充电锂电池的复合阴极活性材料前体; 连接到中空纳米纤维碳骨架的正极活性物质前体，其中正极活性物质前体包括Ma（PO 4）b·nH 2 O（式1-1）或M（OH）c·nH 2 O（式 1-2），并且用于可再充电锂电池的复合阴极材料可以通过包含碳物质而导电，并且中空纳米纤维碳的外部或内部也装有橄榄石型磷酸锂阴极材料。因此，可以提高导电性，并且为了确保适用于大容量电池的高容量密度，因为阴极活性材料也被填充到中空纳米纤维碳的内部，也不会浪费任何空间。

7. 发明申请

US20110052991A1 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, METHOD FOR PREPARING THE SAME, AND LITHIUM SECONDARY BATTERIES COMPRISING THE SAME 有权
标题翻译：用于锂二次电池的阴极活性材料，其制备方法和包含其的锂二次电池
公开(公告)号：US20110052991A1
公开(公告)日：2011-03-03
申请号：US12626300
申请日：2009-11-25
申请人： Seong-Bae Kim , Woo-Seong Kim , Ki-Sup Song , Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
发明人： Seong-Bae Kim , Woo-Seong Kim , Ki-Sup Song , Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
IPC分类号： H01M4/48 , H01M4/40 , H01M4/42 , H01M4/46 , H01M4/26
CPC分类号： H01M4/505 , C01G45/1228 , C01G45/1242 , C01G51/42 , C01G51/50 , C01G53/50 , C01P2004/03 , C01P2004/51 , C01P2004/62 , C01P2004/82 , C01P2006/40 , H01M4/364 , H01M4/366 , H01M4/525 , H01M4/62 , H01M4/624 , H01M4/625 , H01M4/626
摘要： Disclosed are a cathode active material for lithium secondary batteries, a method for preparing the same, and lithium secondary batteries comprising the same. The cathode active material for lithium secondary batteries comprises a lithium metal oxide secondary particle core formed by aggregation of a plurality of lithium metal oxide primary particles; a first shell formed by coating the surface of the secondary particle core with a plurality of barium titanate particles and a plurality of metal oxide particles; and a second shell formed by coating the surface of the first shell with a plurality of olivine-type lithium iron phosphate oxide particles and a plurality of conductive material particles. The cathode active material for lithium secondary batteries allows manufacture of lithium secondary batteries having excellent thermal stability, high-temperature durability and overcharge safety.
摘要翻译：公开了一种用于锂二次电池的正极活性材料及其制备方法，以及包含该二次电池的锂二次电池。用于锂二次电池的正极活性材料包括通过多个锂金属氧化物一次粒子的聚集而形成的锂金属氧化物二次粒子芯; 通过用多个钛酸钡颗粒和多个金属氧化物颗粒涂覆二次颗粒芯的表面而形成的第一壳; 以及通过用多个橄榄石型磷酸铁锂颗粒和多个导电材料颗粒涂覆第一壳体的表面而形成的第二壳体。用于锂二次电池的正极活性材料允许制造具有优异的热稳定性，高温耐久性和过充电安全性的锂二次电池。

8. 发明申请

US20080083113A1 Method for Treating Electrode Tabs of Crude Cell for Lithium Secondary Battery, and Crude Cell and Lithium Secondary Battery According to the Method 审中-公开
标题翻译：根据该方法处理锂二次电池，原电池和锂二次电池原电池电极片的方法
公开(公告)号：US20080083113A1
公开(公告)日：2008-04-10
申请号：US11871177
申请日：2007-10-12
申请人： Ji-Jun Hong
发明人： Ji-Jun Hong
IPC分类号： H01M10/04 , B23K1/00
CPC分类号： H01M10/0583 , H01M2/1653 , H01M2/18 , H01M2/26 , H01M2/266 , H01M10/0431 , H01M10/052 , H01M10/0525 , Y10T29/49108 , Y10T29/49114
摘要： A method for treating electrode tabs of a crude cell for a lithium secondary battery, a crude cell for a lithium secondary battery manufactured according to the method, and a lithium secondary battery employing the crude cell are disclosed. The method for treating electrode tabs of a crude cell includes the steps of: (a) gathering a plurality of anode grids and plurality of cathode grids having a plurality of anode plates and cathode plates, respectively; (b) welding an anode tab and a cathode tab to respective end portions of the anode grids and the cathode grids to form an anode side welded portion and cathode side welded portion; and (c) attaching an insulating tape to the anode side welded portion and cathode side welded portion with an adhesive to wrap the welded portions with an insulating tape.
摘要翻译：公开了一种用于处理锂二次电池的粗电池的电极片的方法，根据该方法制造的锂二次电池的粗电池和使用粗电池的锂二次电池。用于处理粗细胞电极片的方法包括以下步骤：（a）分别收集多个阳极栅极和多个具有多个阳极板和阴极板的阴极栅极; （b）将阳极片和阴极片焊接到阳极栅极和阴极栅极的相应端部以形成阳极侧焊接部分和阴极侧焊接部分; 和（c）用绝缘胶带将绝缘胶带粘合到阳极侧焊接部分和阴极侧焊接部分上以将焊接部分包裹。

9. 发明授权

US07055570B2 Automated manufacturing system of lithium secondary battery 有权
标题翻译：锂二次电池自动化制造系统
公开(公告)号：US07055570B2
公开(公告)日：2006-06-06
申请号：US10478625
申请日：2002-05-17
申请人： Ji-Jun Hong
发明人： Ji-Jun Hong
IPC分类号： B32B31/20
CPC分类号： H01M10/052 , H01M2/168 , H01M10/0404 , H01M10/0413 , H01M10/0459 , H01M10/0583 , Y10T29/53135 , Y10T156/1734 , Y10T156/1763 , Y10T156/1766
摘要： An automated manufacturing system of a secondary lithium battery is disclosed. The automated manufacturing system comprises: a frame; a supply unit having a separator roller installed at the frame to be rotatable so that a separator can be released from the separator roller, and can travel along a separator travel path; an adhesive applying unit disposed to have the separator travel path through the adhesive applying unit so as to continuously apply adhesive to both surfaces of the separator in a predetermined pattern; a lamination unit installed at the frame for laminating one adhesive applied surface of the separator with a plurality of positive electrode plates, and the other adhesive applied surface of the separator with a plurality of negative electrode plates simultaneously so that the electrode plates can correspond to the above pattern; a transporting unit installed at the frame to be rotatable while contacting the separator so as to cause the separator supplied from the supply unit to travel along the travel path at a predetermined speed and during predetermined time intervals via the adhesive applying unit and the lamination unit; a packing unit installed at the frame for folding and packing a batch of the separator which is laminated with the electrode plates by the lamination unit in a predetermined pattern and is transported by the transporting unit so that the positive electrode plates and the negative electrode plates can alternate with each other, and both side sections of the folded separator can have the shape of “Z”; and an unloading unit installed at the frame to be movable for unloading the packed separator to a tray unit.
摘要翻译：公开了一种二次锂电池的自动化制造系统。该自动化制造系统包括：框架; 供给单元，其具有安装在框架上以便可旋转的分离辊，使得分离器能够从分离辊释放，并且可以沿着分隔件行进路径行进; 粘合剂施加单元，其设置成具有通过粘合剂施加单元的分离器行进路径，以便以预定图案连续地对隔膜的两个表面施加粘合剂; 安装在框架上的层压单元，用于将分离器的一个粘合剂施加表面与多个正极板层压，并且隔离件的另一个粘合剂施加表面同时具有多个负极板，使得电极板可以对应于以上图案; 传送单元，其安装在所述框架上，以在接触所述隔板的同时旋转，以使得从所述供给单元供给的隔板以预定速度沿所述行进路径行进，并且经由所述粘合剂施加单元和所述层压单元在预定时间间隔内行进; 安装在框架上的包装单元，用于折叠和包装一批分隔件，该批隔板通过层压单元以预定图案与电极板层压，并由输送单元输送，使得正极板和负极板可以彼此交替，并且折叠分离器的两个侧部可以具有“Z”的形状; 以及卸载单元，其安装在所述框架处以可移动以将所述打包分离器卸载到托盘单元。

10. 发明授权

US09647262B2 Core-shell type anode active material for lithium secondary battery, method for preparing the same and lithium secondary battery comprising the same 有权
公开(公告)号：US09647262B2
公开(公告)日：2017-05-09
申请号：US12740906
申请日：2007-11-06
申请人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
发明人： Ji-Jun Hong , Sung-Tae Ko , Yoon-Jeong Heo
IPC分类号： H01M4/131 , H01M4/133 , H01M4/485 , H01M4/583 , H01M10/052
CPC分类号： H01M4/131 , H01M4/133 , H01M4/366 , H01M4/485 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0525 , Y02E60/122
摘要： The present invention relates to a core-shell type anode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery comprising the same. The anode active material for a lithium secondary battery according to the present invention comprises a carbon based material core portion; and a shell portion formed outside of the carbon based material core portion by coating the carbon based material core portion with a spinel-type lithium titanium oxide. The anode active material for a lithium secondary battery according to the present invention has the metal oxide shell portion, and thus has the improved conductivity, a high output density, and consequently excellent electrical characteristics.

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