公开(公告)号：US09263768B2

公开(公告)日：2016-02-16

申请号：US14575159

申请日：2014-12-18

申请人： LG Chem, Ltd.

发明人： Young Soo Kim ,  Soon Ho Ahn ,  Joon Sung Bae ,  Cha Hun Ku ,  Soo Hyun Ha ,  Duk Hyun Ryu ,  Sei Lin Yoon

IPC分类号： H01M10/0567 ,  H01M10/0569 ,  H01M4/13 ,  H01M4/139 ,  H01M10/052 ,  H01M10/42 ,  H01M10/056

CPC分类号： H01M10/0567 ,  H01M4/13 ,  H01M4/139 ,  H01M10/052 ,  H01M10/056 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2300/004 ,  Y02E60/122 ,  Y02P70/54

摘要： Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte.

摘要翻译： 公开了包含锂盐和溶剂的非水电解质，所述电解质包含基于电解质重量的10-40重量％的式1化合物或其分解产物，和1-40重量％的 脂族腈化合物，以及包含非水电解质的电化学装置。

公开(公告)号：US20150104717A1

公开(公告)日：2015-04-16

申请号：US14575159

申请日：2014-12-18

申请人： LG Chem, Ltd.

发明人： Young Soo Kim ,  Soon Ho Ahn ,  Joon Sung Bae ,  Cha Hun Ku ,  Soo Hyun Ha ,  Duk Hyun Ryu ,  Sei Lin Yoon

IPC分类号： H01M10/0567 ,  H01M10/056

CPC分类号： H01M10/0567 ,  H01M4/13 ,  H01M4/139 ,  H01M10/052 ,  H01M10/056 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2300/004 ,  Y02E60/122 ,  Y02P70/54

摘要： Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyt, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte.

摘要翻译： 公开了包含锂盐和溶剂的非水电解质，所述电解质基于电解质的重量计含10-40重量％的式1化合物或其分解产物，和1-40重量％的 脂族腈化合物，以及包含非水电解质的电化学装置。

公开(公告)号：US08568923B1

公开(公告)日：2013-10-29

申请号：US13866265

申请日：2013-04-19

申请人： LG Chem, Ltd.

发明人： Young Soo Kim ,  Soon Ho Ahn

IPC分类号： H01M4/13 ,  H01M2/18

CPC分类号： H01M4/0419 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/139 ,  H01M4/62 ,  H01M4/628 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/4235 ,  H01M2300/004

摘要： Disclosed is a method for forming an electrode comprising a protective layer, which comprises: dispersing or dissolving an aliphatic nitrile compound into a solvent to provide a coating solution; coating a surface of the electrode with the coating solution, said electrode having an electrode active material coated thereon; and removing the solvent used in the coating solution by drying to form a protective layer comprising an aliphatic nitrile compound-electrode active material complex.

摘要翻译： 公开了一种形成包括保护层的电极的方法，其包括：将脂族腈化合物分散或溶解到溶剂中以提供涂布溶液; 用所述涂布溶液涂覆所述电极的表面，所述电极具有涂覆在其上的电极活性材料; 并通过干燥除去涂布溶液中使用的溶剂，形成包含脂族腈化合物 - 电极活性物质络合物的保护层。

公开(公告)号：US08568922B1

公开(公告)日：2013-10-29

申请号：US13866246

申请日：2013-04-19

申请人： LG Chem, Ltd.

发明人： Young Soo Kim ,  Soon Ho Ahn

IPC分类号： H01M4/13 ,  H01M2/18

CPC分类号： H01M4/0419 ,  H01M4/0402 ,  H01M4/0404 ,  H01M4/139 ,  H01M4/62 ,  H01M4/628 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/4235 ,  H01M2300/004

摘要： Disclosed is a method for forming an electrode having a protective layer, which includes: mixing an aliphatic nitrile compound with an electrode active material and a solvent to form slurry for electrode active material; applying the slurry for electrode active material on a collector; and removing the solvent used in the slurry by drying to form a protective layer comprising an aliphatic nitrile compound-electrode active material complex.

摘要翻译： 公开了一种形成具有保护层的电极的方法，其包括：将脂族腈化合物与电极活性材料和溶剂混合以形成用于电极活性材料的浆料; 将电极活性物质的浆料涂布在集电体上; 并通过干燥除去浆料中使用的溶剂，以形成包含脂族腈化合物 - 电极活性物质络合物的保护层。

公开(公告)号：US08492036B2

公开(公告)日：2013-07-23

申请号：US13710817

申请日：2012-12-11

申请人： LG Chem, Ltd.

发明人： Young Soo Kim ,  Soon Ho Ahn

IPC分类号： H01M6/16

CPC分类号： H01M4/00 ,  H01M4/13 ,  H01M4/131 ,  H01M4/366 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/4235 ,  H01M2300/004 ,  Y10T29/49204

摘要： The present invention provides a cathode having a protection layer formed by a complex between the surface of a cathode active material and an aliphatic nitrile compound, as well as an electrochemical device comprising the cathode. Also, the present invention provides an electrochemical device comprising: (1) a cathode having a protection layer formed by a complex between the surface of a cathode active material and an aliphatic nitrile compound; (2) an anode having a passivation layer formed by a compound selected from the group consisting of vinylene carbonate, its derivative and an ether compound; and (3) an electrolyte solution containing a lithium salt and a solvent.