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1. 发明公开

EP2879214A1 CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND CATHODE FOR LITHIUM SECONDARY BATTERY COMPRISING SAME 有权
标题翻译：用于二次电池的阴极活性材料，其制备方法以及用于包含该二次电池的锂二次电池的阴极
公开(公告)号：EP2879214A1
公开(公告)日：2015-06-03
申请号：EP14827702.3
申请日：2014-09-30
申请人： LG Chem, Ltd.
发明人： LEE, Dong Kwon , CHO, Seung Beom , NHO, Jun Seok , JANG, Wook
IPC分类号： H01M4/485 , H01M4/525 , H01M4/505 , H01M4/131 , H01M10/052
CPC分类号： H01M4/525 , H01M4/0471 , H01M4/1391 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/5825 , H01M10/052
摘要： Provided are a cathode active material for a secondary battery, a method of manufacturing the same, and a cathode for a secondary battery including the cathode active material. Specifically, the present invention relates to a cathode active material including a lithium-containing transition metal oxide and two or more metal composite oxide layers selected from the group consisting of Chemical Formulae 1 to 3 which are coated on the surface of the lithium-containing transition metal oxide, a method of manufacturing the same, and a cathode for a secondary battery including the cathode active material,

[Chemical Formula 1] M(C 2 H 5 O 2 ) n

[Chemical Formula 2] M (C 6 H (8-n) O 7 )

[Chemical Formula 3] M(C 6 H (8-n) O 7 ) (C 2 H 5 O 2 )

(where M, as a metal desorbed from a metal precursor, represents at least one metal selected from the group consisting of Mg, Ca, Sr, Ba, Y, Ti, Zr, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ir, Ni, Zn, Al, Ga, In, Si, Ge, Sn, La, and Ce, and n is an integer between 1 and 4).
摘要翻译：本发明提供一种二次电池用正极活性物质及其制造方法以及使用该正极活性物质的二次电池用正极。具体而言，本发明涉及包含含锂过渡金属氧化物和选自由化学式1至3组成的组中的两种或更多种金属复合氧化物层的正极活性材料，所述金属复合氧化物层涂覆在含锂转变体的表面上（化学式1）M（C 2 H 5 O 2）n [化学式2] M（C 6 H（8-n）O 7）[化学式1] [化学式1] 式3] M（C 6 H（8-n）O 7）（C 2 H 5 O 2）（其中M作为从金属前体解吸的金属表示选自Mg，Ca，Sr，Ba，Y， Ti，Zr，V，Nb，Ta，Cr，Mo，W，Mn，Fe，Co，Ir，Ni，Zn，Al，Ga，In，Si，Ge，Sn，La和Ce，在1和4之间）。

2. 发明公开

EP2871158A1 METHOD FOR PREPARING CARBON-COATED LITHIUM IRON PHOSPHATE NANOPOWDER 有权
标题翻译：一种制备碳包覆磷酸铁锂纳米粉的方法
公开(公告)号：EP2871158A1
公开(公告)日：2015-05-13
申请号：EP14737816.0
申请日：2014-01-09
申请人： LG Chem, Ltd.
发明人： JUN, In Kook , CHO, Seung Beom , OH, Myoung Hwan , JANG, Wook
IPC分类号： C01D15/00 , C01G49/00 , C01B25/45
CPC分类号： H01M4/366 , C01B25/45 , C01G49/009 , C01P2002/72 , C01P2004/03 , C01P2004/04 , C01P2004/51 , C01P2004/64 , C01P2006/40 , H01M4/0404 , H01M4/043 , H01M4/0471 , H01M4/049 , H01M4/133 , H01M4/136 , H01M4/1393 , H01M4/1397 , H01M4/58 , H01M4/5825 , H01M4/583 , H01M4/587 , H01M4/625 , H01M10/052 , H01M10/0525 , H01M10/0568 , H01M10/058 , H01M2004/028 , H01M2220/30
摘要： The present invention relates to a method for preparing a lithium iron phosphate nanopowder coated with carbon, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, (b) putting the mixture solution into a reactor and reacting to prepare amorphous lithium iron phosphate nanoseed particle, and (c) heat treating the lithium iron phosphate nanoseed particle thus to prepare the lithium iron phosphate nanopowder coated with carbon on a portion or a whole of a surface of a particle, and a lithium iron phosphate nanopowder coated with carbon prepared by the above method. The lithium iron phosphate nanopowder coated with carbon having controlled particle size and particle size distribution may be prepared in a short time by performing two simple steps. A lithium secondary battery including the lithium iron phosphate nanopowder coated with carbon thus prepared as a cathode active material has good capacity and stability.
摘要翻译：（a）通过在甘油溶剂中添加锂前体，铁前体和磷前体来制备混合物溶液，（b）通过在甘油溶剂中加入锂前体，铁前体和磷前体来制备磷酸铁锂纳米粉末的方法，将该混合溶液放入反应器中并反应以制备无定形磷酸铁锂纳米粒子，以及（c）热处理该磷酸铁锂纳米粒子，从而制备在表面的一部分或全部上涂覆有碳的磷酸铁锂纳米粉末颗粒，以及用上述方法制备的涂有碳的磷酸铁锂纳米粉末。可以通过执行两个简单的步骤在短时间内制备具有可控粒度和粒度分布的涂有碳的磷酸铁锂纳米粉末。包括如此制备的用碳涂覆的磷酸铁锂纳米粉末作为阴极活性材料的锂二次电池具有良好的容量和稳定性。

3. 发明授权

EP2883840B1 METHOD FOR PREPARING NANOPOWDER OF CARBON-COATED LITHIUM METAL PHOSPHATE 有权
公开(公告)号：EP2883840B1
公开(公告)日：2019-12-18
申请号：EP14822223.5
申请日：2014-01-09
申请人： LG Chem, Ltd.
发明人： JANG, Wook , CHO, Seung Beom , JUN, In Kook
IPC分类号： C01G49/00 , C01D15/00 , H01M4/58 , C01B25/16 , H01M4/02 , H01M4/136 , H01M4/36 , C01B25/45 , H01M4/04 , H01M4/52 , H01M4/583

4. 发明公开

EP2541328A2 POLYMER TONER AND METHOD FOR MANUFACTURING SAME 审中-公开
标题翻译： POLYMERTONER UND VERFAHREN ZU DESSEN HERSTELLUNG
公开(公告)号：EP2541328A2
公开(公告)日：2013-01-02
申请号：EP11747683.8
申请日：2011-02-23
申请人： LG Chem, Ltd.
发明人： JANG, Wook , LEE, Chang-Soon
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/08795 , G03G9/0806 , G03G9/08704 , G03G9/08708 , G03G9/08711 , G03G9/08728 , G03G9/08793 , G03G9/08797
摘要： The present invention relates to a polymerized toner including a low molecular weight polymer having a weight average molecular weight of 3000 to 30,000 and a method for preparing the same, wherein the polymerized toner can realize excellent gloss and offset feature and can also can exhibit excellent performance in the applications of high speed copying, development of transferred photos, etc.
摘要翻译：本发明涉及包含重均分子量为3000〜30,000的低分子量聚合物的聚合调色剂及其制备方法，其中聚合调色剂可以实现优异的光泽和胶印特征，并且还可以表现出优异的性能在高速复印的应用中，传输照片的开发等

5. 发明公开

EP2541327A2 POLYMERIZED TONER AND METHOD FOR PREPARING SAME 审中-公开
标题翻译： POLYMERISIERTER TONER UND VERFAHREN ZU DESSEN HERSTELLUNG
公开(公告)号：EP2541327A2
公开(公告)日：2013-01-02
申请号：EP11744938.9
申请日：2011-02-22
申请人： LG Chem, Ltd.
发明人： JANG, Wook , KIM, Hak-Soo , LEE, Chang-Soon
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/087 , G03G9/0806 , G03G9/0825 , G03G9/08704 , G03G9/08708 , G03G9/08711 , G03G9/08726 , G03G9/08782 , G03G9/08788 , G03G9/08793 , G03G9/0902 , G03G9/091 , G03G9/0918 , G03G9/092 , G03G9/09741 , G03G9/0975
摘要： The present invention relates to a polymerized toner and a method for preparing the same, wherein the toner can realize an excellent offset feature, high transfer efficiency, and a uniform image and thus can exhibit excellent performances in the applications of high speed copying, development of transferred photos, etc.
摘要翻译：聚合调色剂及其制备方法技术领域本发明涉及一种聚合调色剂及其制备方法，其中调色剂可以实现优异的胶印特征，高转印效率和均匀的图像，因此可以在高速复印的应用中表现出优异的性能，传输照片等

6. 发明授权

EP2924007B1 METHOD FOR PRODUCING CARBON-COATED LITHIUM IRON PHOSPHATE NANOPOWDER 有权
公开(公告)号：EP2924007B1
公开(公告)日：2019-05-15
申请号：EP14738106.5
申请日：2014-01-09
申请人： LG Chem, Ltd.
发明人： JUN, In Kook , CHO, Seung Beom , OH, Myoung Hwan , JANG, Wook
IPC分类号： C01D15/00 , C01G49/00 , C01B25/45 , H01M4/04 , H01M4/133 , H01M4/136 , H01M4/1393 , H01M4/1397 , H01M4/36 , H01M4/58 , H01M4/583 , H01M4/587 , H01M4/62 , H01M10/052 , H01M10/0525 , H01M10/058 , H01M4/02

7. 发明授权

EP3188291B1 SURFACE-COATED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME 有权
公开(公告)号：EP3188291B1
公开(公告)日：2018-05-23
申请号：EP15835195.7
申请日：2015-08-26
申请人： LG Chem, Ltd.
发明人： JANG, Wook , CHO, Seung Beom , KWAK, Ick Soon , AHN, Jun Seong
IPC分类号： H01M4/62 , H01M4/48 , H01M4/139 , H01M2/16 , H01M10/052
CPC分类号： H01M4/628 , H01M2/16 , H01M4/139 , H01M4/48 , H01M4/505 , H01M4/525 , H01M4/62 , H01M4/624 , H01M10/052 , H01M10/0525 , H01M2004/028 , H01M2220/30
摘要： The present invention relates to a surface coated positive electrode active material, a preparation method thereof, and a lithium secondary battery including the same. More specifically, it relates to a positive electrode active material of which surface is coated with a nanofilm including polyimide (PI) and conductive nanoparticles, a preparation method thereof, and a lithium secondary battery including the same. The positive electrode active material of which surface is coated with the nanofilm according to the present invention is capable of preventing direct contact of the positive electrode active material with an electrolyte thereby suppressing a side reaction between the positive electrode active material and the electrolyte, and as a result, a lifespan property of a lithium secondary battery using a positive electrode including the same may be significantly improved, and particularly, a lifespan property and conductivity are capable of being enhanced under a high temperature and high voltage condition.

8. 发明授权

EP3188290B1 SURFACE-COATED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME 有权
标题翻译：表面包覆的正极活性物质，其制备方法以及包含该物质的锂二次电池
公开(公告)号：EP3188290B1
公开(公告)日：2018-04-25
申请号：EP15835187.4
申请日：2015-08-26
申请人： UNIST (Ulsan National Institute of Science and Technology) , LG Chem, Ltd.
发明人： JANG, Wook , LEE, Sang Young , CHO, Seung Beom , AHN, Jun Seong , PARK, Jang Hoon , KIM, Ju Myung
IPC分类号： H01M4/62 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/60 , H01M10/052 , H01M4/36 , H01M10/0525 , H01M4/02
CPC分类号： H01M4/628 , H01M4/366 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/60 , H01M4/62 , H01M4/625 , H01M10/052 , H01M10/0525 , H01M2004/028
摘要： The present invention relates to a surface coated positive electrode active material, a preparation method thereof, and a lithium secondary battery including the same. More specifically, it relates to a positive electrode active material of which surface is coated with a nanofilm including polyimide (PI) and carbon black, a preparation method thereof, and a lithium secondary battery including the same. The positive electrode active material of which surface is coated with the nanofilm according to the present invention is capable of preventing direct contact of the positive electrode active material with an electrolyte thereby suppressing a side reaction between the positive electrode active material and the electrolyte, and as a result, a lifespan property of a lithium secondary battery using a positive electrode including the same may be significantly improved, and particularly, a lifespan property and conductivity are capable of being enhanced under a high temperature and high voltage condition.

9. 发明公开

EP3101717A1 SURFACE-COATED CATHODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME 有权
标题翻译： IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT
公开(公告)号：EP3101717A1
公开(公告)日：2016-12-07
申请号：EP15742875.6
申请日：2015-01-28
申请人： LG Chem, Ltd. , UNIST (Ulsan National Institute of Science and Technology)
发明人： JANG, Wook , LEE, Sang Young , CHO, Seung Beom , PARK, Jang Hoon , KIM, Ju Myung
IPC分类号： H01M4/62 , H01M4/525 , H01M4/505 , H01M4/13 , H01M10/052
CPC分类号： H01M10/4235 , H01M4/366 , H01M4/505 , H01M4/525 , H01M4/62 , H01M4/625 , H01M10/0525 , H01M2004/028
摘要： The present invention provides a surface-coated cathode active material and a method for preparing the same, the surface-coated active material comprising: a cathode active material; and a nanofilm coated on a surface of the cathode active material, wherein the nanofilm includes polyimide (PI) and a fibrous carbon material. According to one embodiment of the present invention, when a surface of a cathode active material is coated with a nanofilm including polyamide and a fibrous carbon material, a direct contact with an electrolyte of the cathode active material is prevented so as to suppress a side reaction between the cathode active material and the electrolyte, such that the of a secondary battery is capable of being remarkably improved. Particularly, it is possible to improve life and conductivity under high-temperature and high-voltage conditions.
摘要翻译：本发明提供一种表面被覆正极活性物质及其制备方法，所述表面被覆活性物质包含：正极活性物质; 和纳米薄膜涂覆在正极活性物质的表面上，其中纳米薄膜包括聚酰亚胺（PI）和纤维状碳材料。根据本发明的一个实施方案，当阴极活性材料的表面涂覆有包括聚酰胺和纤维状碳材料的纳米膜时，防止与正极活性物质的电解质的直接接触，以抑制副反应在正极活性物质和电解质之间，能够显着地提高二次电池的能力。特别地，可以在高温高压条件下改善寿命和导电性。

10. 发明授权

EP2879210B1 CATHODE ACTIVE MATERIAL COATING SOLUTION FOR SECONDARY BATTERY AND METHOD FOR PREPARING SAME 有权
公开(公告)号：EP2879210B1
公开(公告)日：2020-01-15
申请号：EP14825240.6
申请日：2014-09-30
申请人： LG Chem, Ltd.
发明人： LEE, Dong Kwon , CHO, Seung Beom , NHO, Jun Seok , JANG, Wook
IPC分类号： H01M4/131 , H01M4/36 , H01M4/48 , H01M4/62 , C07F5/06 , C07F7/00 , C07F13/00 , C01G53/00 , H01M4/04 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/052

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