公开(公告)号：US08986577B2

公开(公告)日：2015-03-24

申请号：US13591739

申请日：2012-08-22

申请人： Yong-Mook Kang ,  Young-Min Lee ,  Kyeong-Se Song

发明人： Yong-Mook Kang ,  Young-Min Lee ,  Kyeong-Se Song

IPC分类号： H01B1/04 ,  H01M4/04 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587

CPC分类号： H01M4/0438 ,  H01M4/0471 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/362 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  Y02E60/122 ,  Y10S977/734 ,  Y10T428/2993

摘要： Disclosed is a silicon-carbon composite for a negative active material of a lithium secondary battery, including carbon nanofibers and silicon particles, wherein the silicon particles are coated with amorphous silica. In the silicon-carbon composite of the invention, silicon is provided in the form of a composite with carbon fibers and the surface of silicon particles is coated with amorphous silica, thereby reducing volume expansion upon lithium ion insertion and exhibiting superior ionic conductivity and electrical conductivity to thus maintain high capacity, and also, amorphous silica-coated silicon is positioned inside the carbon fibers having a one-dimensional structure, thus ensuring a large specific surface area and a stable composite structure.

摘要翻译： 公开了一种用于包括碳纳米纤维和硅颗粒的锂二次电池的负极活性物质的硅碳复合物，其中硅颗粒涂覆有无定形二氧化硅。 在本发明的硅 - 碳复合材料中，以碳纤维形式的复合材料提供硅，硅表面涂覆有无定形二氧化硅，从而减少锂离子插入时的体积膨胀，并显示出优异的离子导电性和导电性 从而保持高容量，并且将无定形二氧化硅涂覆的硅定位在具有一维结构的碳纤维内部，从而确保大的比表面积和稳定的复合结构。

公开(公告)号：US08105716B2

公开(公告)日：2012-01-31

申请号：US11607817

申请日：2006-11-30

申请人： Kyou-Yoon Sheem ,  Sung-Soo Kim ,  Joon-Sup Kim ,  Yong-Mook Kang ,  Min-Seok Sung ,  Young-Hee Lee

发明人： Kyou-Yoon Sheem ,  Sung-Soo Kim ,  Joon-Sup Kim ,  Yong-Mook Kang ,  Min-Seok Sung ,  Young-Hee Lee

IPC分类号： H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/485 ,  H01M4/583

CPC分类号： H01M4/04 ,  H01M4/13 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/133 ,  H01M4/134 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/13915 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525

摘要： The present invention relates to an active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes an active material and a fiber-shaped or tube-shaped carbon conductive material attached to the surface of the active material. The active material includes a conductive shell including a fiber-shaped or tube-shaped carbon conductive material and increases discharge capacity due to improved conductivity and improves cycle-life efficiency by maintaining paths between active material particles during charge and discharge cycles.

公开(公告)号：US20100044630A1

公开(公告)日：2010-02-25

申请号：US12488071

申请日：2009-06-19

申请人： Jeung-Ku Kang ,  Kyu-Sung Han ,  Jung-Woo Lee ,  Yong-Mook Kang

发明人： Jeung-Ku Kang ,  Kyu-Sung Han ,  Jung-Woo Lee ,  Yong-Mook Kang

IPC分类号： C09K3/00

CPC分类号： C01G23/047 ,  B82Y30/00 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/84 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/13 ,  C30B29/16 ,  C30B29/602 ,  C30B31/06

摘要： TiO2-xNx (0.01≦x≦0.2) nanotubes and a method for preparing the same are disclosed. More particularly, TiO2-xNx (0.01≦x≦0.2) nanotubes doped with nitrogen atoms by treating TiO2 nanotubes through nitrogen plasma to partially substitute oxygen portion of TiO2 nanotube with nitrogen, and a method for preparing the same are disclosed. The TiO2-xNx (0.01≦x≦0.2) nanotube of the present invention is prepared by doping nitrogen on a TiO2 nanotube to control an electronic structure and reduce a band gap of the TiO2 nanotube, so that the prepared TiO2-xNx (0.01≦x≦0.2) nanotube exhibits improved conductivity and extended light absorption range from a UV ray area up to a visible light area, thus having more enhanced applicable performance in optical and/or electrochemical aspects.

摘要翻译： 公开了TiO2-xNx（0.01＆nlE; x＆nEE; 0.2）纳米管及其制备方法。 更具体地，公开了通过用氮等离子体处理TiO 2纳米管以用氮部分取代TiO 2纳米管的氧部分来掺杂氮原子的TiO 2-x N x（0.01和n L e; x和n L e; 0.2）及其制备方法。 通过在TiO 2纳米管上掺杂氮以控制电子结构并降低TiO 2纳米管的带隙来制备本发明的TiO 2-x N x（0.01和n l E x x N e 0.2）纳米管，使得制备的TiO 2-xN x（0.01 ＆nlE; x＆nlE; 0.2）纳米管表现出从紫外线区域到可见光区域的改善的导电性和扩展的光吸收范围，因此在光学和/或电化学方面具有更强的适用性能。

公开(公告)号：US20080233479A1

公开(公告)日：2008-09-25

申请号：US12049136

申请日：2008-03-14

申请人： Min-Seok Sung ,  Yang-Soo Kim ,  Goo-Jin Jeong ,  Yong-Mook Kang ,  Sang-Min Lee ,  Wan-Uk Choi ,  Sung-Soo Kim

发明人： Min-Seok Sung ,  Yang-Soo Kim ,  Goo-Jin Jeong ,  Yong-Mook Kang ,  Sang-Min Lee ,  Wan-Uk Choi ,  Sung-Soo Kim

IPC分类号： H01M4/38 ,  H01M4/42

CPC分类号： H01M10/0525 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/386

摘要： Negative active materials for rechargeable lithium batteries are provided. One negative active material includes at least one Si active particle and a metal matrix surrounding the Si active particle. The metal matrix does not react with the Si active particle. The negative active material has a martensite phase when X-ray diffraction intensity is measured using a CuKα ray. The negative active material has improved efficiency and cycle-life.

摘要翻译： 提供了可充电锂电池的负极活性材料。 一种负极活性材料包括至少一种Si活性颗粒和围绕Si活性颗粒的金属基质。 金属基体不与Si活性粒子反应。 当使用CuKalpha射线测量X射线衍射强度时，负极活性材料具有马氏体相。 负极活性物质具有提高的效率和循环寿命。

公开(公告)号：US20080226984A1

公开(公告)日：2008-09-18

申请号：US11939504

申请日：2007-11-13

申请人： Sang-Min Lee ,  Goo-Jin Jeong ,  Nam-Soon Choi ,  Min-Seok Sung ,  Yong-Mook Kang ,  Sung-Soo Kim ,  Leif Christensen

发明人： Sang-Min Lee ,  Goo-Jin Jeong ,  Nam-Soon Choi ,  Min-Seok Sung ,  Yong-Mook Kang ,  Sung-Soo Kim ,  Leif Christensen

IPC分类号： H01M6/14 ,  H01M4/62 ,  H01M6/00 ,  H01M4/24

CPC分类号： H01M4/62 ,  H01M4/0404 ,  H01M4/049 ,  H01M4/13 ,  H01M4/621 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2004/021 ,  H01M2300/0025 ,  Y02E60/122 ,  Y10T29/49115

摘要： An embodiment of the present invention provides an electrode for a rechargeable lithium battery, including: a current collector; and an active material layer on the current collector, wherein the active material layer includes an active material adapted to reversibly intercalate and deintercalate lithium ions, a binder, and a pore-forming polymer.

摘要翻译： 本发明的实施例提供一种用于可再充电锂电池的电极，包括：集电器; 和活性物质层，其中活性物质层包括适于可逆地插入和脱嵌锂离子的活性物质，粘合剂和成孔聚合物。

公开(公告)号：US20070122712A1

公开(公告)日：2007-05-31

申请号：US11604099

申请日：2006-11-22

申请人： Yong-Mook Kang ,  Nam-Soon Choi ,  Sung-Soo Kim

发明人： Yong-Mook Kang ,  Nam-Soon Choi ,  Sung-Soo Kim

IPC分类号： H01M4/62 ,  B05D5/12

CPC分类号： H01M4/133 ,  H01M4/134 ,  H01M4/139 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

摘要： Negative active materials for rechargeable lithium batteries, methods of manufacturing the negative active materials, and rechargeable lithium batteries including the negative active materials are provided. One negative active material includes an active metal core and a crack inhibiting layer formed on the core. The crack inhibiting layer includes a carbon-based material.

摘要翻译： 提供了用于可再充电锂电池的负极活性材料，制造负极活性材料的方法，以及包括负极活性材料的可再充电锂电池。 一种负极活性材料包括形成在芯上的活性金属芯和裂纹抑制层。 裂纹抑制层包括碳基材料。

公开(公告)号：US08835053B2

公开(公告)日：2014-09-16

申请号：US12050864

申请日：2008-03-18

申请人： Min-Seok Sung ,  Goo-Jin Jeong ,  Yong-Mook Kang ,  Sang-Min Lee ,  Wan-Uk Choi ,  Sung-Soo Kim

发明人： Min-Seok Sung ,  Goo-Jin Jeong ,  Yong-Mook Kang ,  Sang-Min Lee ,  Wan-Uk Choi ,  Sung-Soo Kim

IPC分类号： H01M4/134 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/40

CPC分类号： H01M4/38 ,  H01M4/405 ,  Y02E60/12

摘要： Negative active materials and rechargeable lithium batteries including the negative active materials are provided. The negative active material includes an intermetallic compound of Si and a metal, and a metal matrix including Cu and Al. The negative active material may provide a rechargeable lithium battery having high capacity and excellent cycle-life and cell efficiency.

摘要翻译： 提供负极活性物质和包括负极活性物质的可充电锂电池。 负极活性物质包括Si和金属的金属间化合物和包括Cu和Al的金属基质。 负极活性材料可以提供具有高容量和优异的循环寿命和电池效率的可再充电锂电池。

公开(公告)号：US08241794B2

公开(公告)日：2012-08-14

申请号：US13328910

申请日：2011-12-16

申请人： Kyou-Yoon Sheem ,  Sung-Soo Kim ,  Joon-Sup Kim ,  Yong-Mook Kang ,  Min-Seok Sung ,  Young-Hee Lee

发明人： Kyou-Yoon Sheem ,  Sung-Soo Kim ,  Joon-Sup Kim ,  Yong-Mook Kang ,  Min-Seok Sung ,  Young-Hee Lee

IPC分类号： H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/485 ,  H01M4/583

CPC分类号： H01M4/04 ,  H01M4/13 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/133 ,  H01M4/134 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/13915 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525

摘要： The present invention relates to an active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes an active material and a fiber-shaped or tube-shaped carbon conductive material attached to the surface of the active material. The active material includes a conductive shell including a fiber-shaped or tube-shaped carbon conductive material and increases discharge capacity due to improved conductivity and improves cycle-life efficiency by maintaining paths between active material particles during charge and discharge cycles.

摘要翻译： 本发明涉及一种用于可再充电锂电池的活性材料和包括其的可再充电锂电池。 活性材料包括活性材料和连接到活性材料表面的纤维状或管状碳导电材料。 活性材料包括导电壳，其包括纤维状或管状碳导电材料，并且由于改善的导电性而增加了放电容量，并且通过在充电和放电循环期间维持活性材料颗粒之间的路径来改善循环寿命效率。

公开(公告)号：US20090186273A1

公开(公告)日：2009-07-23

申请号：US12324943

申请日：2008-11-28

申请人： Sang-Min Lee ,  Sung-Soo Kim ,  Goo-Jin Jeong ,  Nam-Soon Choi ,  Yong-Mook Kang ,  Min-Seok Sung ,  Leif Christensen

发明人： Sang-Min Lee ,  Sung-Soo Kim ,  Goo-Jin Jeong ,  Nam-Soon Choi ,  Yong-Mook Kang ,  Min-Seok Sung ,  Leif Christensen

IPC分类号： H01M4/62 ,  H01M4/58 ,  H01M4/88

CPC分类号： H01M4/134 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M10/0525 ,  Y02E60/122

摘要： A negative active material for rechargeable lithium batteries and a method of manufacturing the negative active material are provided. The negative active material for rechargeable lithium batteries includes at least one generally spherical assembly having flake-shaped materials that are capable of doping and dedoping lithium, and are arranged in a generally spherical shape defining a central pore. The negative active material imparts improved cycle-life characteristics.

摘要翻译： 提供了用于可再充电锂电池的负极活性材料和制造负极活性材料的方法。 用于可再充电锂电池的负极活性材料包括至少一个具有片状材料的通常为球形的组件，其能够掺杂和去掺杂锂，并且被布置为限定中心孔的大致球形。 负极活性物质具有改善的循环寿命特性。

公开(公告)号：US20070099086A1

公开(公告)日：2007-05-03

申请号：US11592630

申请日：2006-11-02

申请人： Yong-Mook Kang ,  Joon-Sup Kim ,  Sang-Min Lee ,  Sung-Soo Kim

发明人： Yong-Mook Kang ,  Joon-Sup Kim ,  Sang-Min Lee ,  Sung-Soo Kim

IPC分类号： H01M4/58 ,  H01M4/62 ,  B05D5/12

CPC分类号： H01M10/058 ,  H01M4/134 ,  H01M4/139 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2004/027

摘要： A negative active material for a lithium rechargeable battery is provided. The negative active material includes an active metal core and a crack inhibiting layer disposed on a surface of the active metal core. The crack inhibiting layer includes a metal oxide.

摘要翻译： 提供了一种用于锂可再充电电池的负极活性材料。 负极活性材料包括活性金属芯和设置在活性金属芯的表面上的裂纹抑制层。 裂纹抑制层包括金属氧化物。