公开(公告)号：US09391314B2

公开(公告)日：2016-07-12

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： H01M4/38 ,  H01M4/134 ,  H01M4/1395 ,  H01M10/0525

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：US08835051B2

公开(公告)日：2014-09-16

申请号：US12053417

申请日：2008-03-21

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

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

IPC分类号： H01M4/134 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/1395

CPC分类号： H01M4/134 ,  H01M4/02 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M4/40 ,  H01M4/46 ,  H01M4/463 ,  H01M4/466 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

摘要： Negative active materials for rechargeable lithium batteries are provided. One negative active material includes a metal matrix, and an intermetallic compound including a Si active metal and an additive metal dispersed in the metal matrix. The additive metal may be Ca, Mg, Na, K, Sr, Rb, Ba, Cs, or a combination thereof. The metal matrix may comprise Cu and Al. The negative active material may comprise a X(aM-bSi)—Y(cCu-dAl) material, where X is from about 30 to about 70 wt %, Y is from about 30 to about 70 wt %, X+Y is 100 wt %, a+b is 100 wt %, a is from about 20 to 80 wt %, b is from about 20 to 80 wt %, c+d is 100 wt %, c is from about 80 to about 95 wt %, d is from about 5 to about 20 wt %, and M may be Ca, Mg, Na, K, Sr, Rb, Ba, Cs, or a combination thereof.

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金属基体和分散在金属基质中的包含Si活性金属和添加金属的金属间化合物。 添加金属可以是Ca，Mg，Na，K，Sr，Rb，Ba，Cs或它们的组合。 金属基质可以包含Cu和Al。 负极活性材料可以包含X（aM-bSi）-Y（cCu-dAl）材料，其中X为约30至约70重量％，Y为约30至约70重量％，X + Y为100 wt％，a + b为100重量％，a为约20〜80重量％，b为约20〜80重量％，c + d为100重量％，c为约80〜约95重量％ d为约5〜约20重量％，M为Ca，Mg，Na，K，Sr，Rb，Ba，Cs或其组合。

公开(公告)号：US08349492B2

公开(公告)日：2013-01-08

申请号：US12017451

申请日：2008-01-22

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

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

IPC分类号： H01M4/13

CPC分类号： H01M4/40 ,  H01M4/06 ,  H01M4/42 ,  H01M4/44 ,  H01M4/46 ,  H01M4/587

摘要： The negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer disposed on the current collector. The negative active material layer includes a metal-based negative active material and sheet-shaped graphite and has porosity of 20 to 80 volume %. The negative electrode for a rechargeable lithium battery can improve cell characteristics by inhibiting volume change and stress due to active material particle bombardment during charge and discharge, and by decreasing electrode resistance.

摘要翻译： 用于可再充电锂电池的负极包括设置在集电器上的集电器和负极活性物质层。 负极活性物质层包括金属基负极活性物质和片状石墨，其孔隙率为20〜80体积％。 用于可再充电锂电池的负极可以通过抑制由于充放电期间的活性材料颗粒轰击引起的体积变化和应力以及通过降低电极电阻来改善电池特性。

公开(公告)号：US08158034B2

公开(公告)日：2012-04-17

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： H01B1/08 ,  B05D5/12

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：US20090053607A1

公开(公告)日：2009-02-26

申请号：US12155545

申请日：2008-06-05

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

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

IPC分类号： H01M4/58 ,  B05D5/12

CPC分类号： H01M4/38 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/62 ,  H01M2004/021

摘要： The electrode for a rechargeable lithium battery includes a current collector and an active material layer disposed on the current collector. The active material layer has pores inside the active material layer. Porosity of the active material layer is higher than 50% and equal to or less than 70%. The pores formed inside the active material layer buffer against volume change that occurs during charges and discharges, and thereby improve cycle-life characteristic of a rechargeable lithium battery.

摘要翻译： 用于可再充电锂电池的电极包括集电器和设置在集电器上的活性材料层。 活性物质层在活性物质层的内部具有孔。 活性物质层的孔隙率高于50％且等于或小于70％。 形成在活性物质层内的孔抵抗在充放电期间发生的体积变化，从而提高可再充电锂电池的循环寿命特性。

公开(公告)号：US20070099085A1

公开(公告)日：2007-05-03

申请号：US11590980

申请日：2006-10-31

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

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

IPC分类号： H01M4/58 ,  H01M4/62 ,  B05D7/00

CPC分类号： H01M4/13 ,  H01M4/134 ,  H01M4/137 ,  H01M4/1395 ,  H01M4/366 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/027 ,  Y02E60/122

摘要： The present invention relates to negative active materials for rechargeable lithium batteries, manufacturing methods thereof, and rechargeable lithium batteries including the negative active materials. A negative active material for a rechargeable lithium battery includes a core including a material capable of carrying out reversible oxidation and reduction reactions and a coating layer formed on the core. The coating layer has a reticular structure.

摘要翻译： 本发明涉及可再充电锂电池用负极活性物质及其制造方法以及包含负极活性物质的可再充电锂电池。 用于可再充电锂电池的负极活性材料包括包括能够进行可逆氧化和还原反应的材料的芯和形成在芯上的涂层。 涂层具有网状结构。

公开(公告)号：US06376027B1

公开(公告)日：2002-04-23

申请号：US09688987

申请日：2000-10-17

申请人： Jai Young Lee ,  Youn Seon Kang ,  Ho Lee ,  Sung Chul Park ,  Yong Mook Kang

发明人： Jai Young Lee ,  Youn Seon Kang ,  Ho Lee ,  Sung Chul Park ,  Yong Mook Kang

IPC分类号： H05H100

CPC分类号： C23C14/5826 ,  C23C14/08 ,  C23C14/58 ,  C23C14/584 ,  C23C14/5853 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485

摘要： A method for crystallizing a lithium transition metal oxide thin film for an electrode of a thin film-type lithium secondary battery is provided, in which the lithium transition metal oxide thin film is reacted with oxygen or argon plasma induced by a microwave or a radio frequency wave, thereby obtaining an excellent lithium transition metal oxide thin film in a degree of crystallization and electrochemical characteristics.

摘要翻译： 提供了一种用于结晶薄膜型锂二次电池的电极的锂过渡金属氧化物薄膜的方法，其中锂过渡金属氧化物薄膜与由微波或射频引起的氧或氩等离子体反应 从而得到结晶度和电化学特性优异的锂过渡金属氧化物薄膜。

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。