公开(公告)号：US20070148549A1

公开(公告)日：2007-06-28

申请号：US11614350

申请日：2006-12-21

申请人： Naoya Kobayashi ,  Wan-Uk Choi

发明人： Naoya Kobayashi ,  Wan-Uk Choi

IPC分类号： H01M4/58 ,  H01M4/48 ,  H01M4/54

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M2004/027 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49108

摘要： A rechargeable lithium battery according to the present invention includes a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; a negative electrode including a negative active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte. The negative electrode includes a lithium-containing metal compound that is inactive for water, and can intercalate lithium during at least discharge. The rechargeable lithium battery has an irreversible capacity during a first charge and discharge, and has no problems such dendrite, electrolyte decomposition, or dissolution of a negative current collector.

摘要翻译： 根据本发明的可再充电锂电池包括正极，其包括能够嵌入和脱嵌锂的正极活性材料; 包括能够嵌入和脱嵌锂的负极活性物质的负极; 和非水电解质。 负极包括对水不活泼的含锂金属化合物，并且可以在至少放电期间插入锂。 可充电锂电池在第一充电和放电期间具有不可逆容量，并且不存在诸如枝晶，电解质分解或负极集电体的溶解的问题。

公开(公告)号：US09444120B2

公开(公告)日：2016-09-13

申请号：US11614350

申请日：2006-12-21

申请人： Naoya Kobayashi ,  Wan-Uk Choi

发明人： Naoya Kobayashi ,  Wan-Uk Choi

IPC分类号： H01M4/131 ,  H01M4/1315 ,  H01M4/505 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/58 ,  H01M4/02

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M2004/027 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49108

摘要： A rechargeable lithium battery according to the present invention includes a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; a negative electrode including a negative active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte. The negative electrode includes a lithium-containing metal compound that is inactive for water, and can intercalate lithium during at least discharge. The rechargeable lithium battery has an irreversible capacity during a first charge and discharge, and has no problems such dendrite, electrolyte decomposition, or dissolution of a negative current collector.

摘要翻译： 根据本发明的可再充电锂电池包括正极，其包括能够嵌入和脱嵌锂的正极活性材料; 包括能够嵌入和脱嵌锂的负极活性物质的负极; 和非水电解质。 负极包括对水不活泼的含锂金属化合物，并且可以在至少放电期间插入锂。 可充电锂电池在第一充电和放电期间具有不可逆容量，并且不存在诸如枝晶，电解质分解或负极集电体的溶解的问题。

公开(公告)号：US09450248B2

公开(公告)日：2016-09-20

申请号：US12289756

申请日：2008-11-03

申请人： Kyeu-Yoon Sheem ,  Sang-Min Lee ,  Min-Seok Sung ,  Wan-Uk Choi ,  Young-Hee Lee

发明人： Kyeu-Yoon Sheem ,  Sang-Min Lee ,  Min-Seok Sung ,  Wan-Uk Choi ,  Young-Hee Lee

IPC分类号： H01M10/00 ,  H01M4/62 ,  H01M4/36 ,  H01M4/38 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/052

CPC分类号： H01M4/625 ,  H01M4/366 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  Y02E60/122

摘要： An active material for a rechargeable lithium battery is provided with a non-carbon-based material on which nanofiber-shaped carbon having an oxygen-included functional group is grown. The negative active material for a rechargeable lithium battery has good conductivity and cycle life characteristics.

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：US08377592B2

公开(公告)日：2013-02-19

申请号：US12212580

申请日：2008-09-17

申请人： Goo-Jin Jeong ,  Sang-Min Lee ,  Wan-Uk Choi ,  Hun-Joon Sohn

发明人： Goo-Jin Jeong ,  Sang-Min Lee ,  Wan-Uk Choi ,  Hun-Joon Sohn

IPC分类号： H01M4/13

CPC分类号： H01M4/134 ,  H01M4/0404 ,  H01M4/0471 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M4/483 ,  H01M4/661 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/027

摘要： An negative active material for a rechargeable lithium battery includes a nano-composite including a Si phase, a SiO2 phase, and a metal oxide phase of formulation MyO, where M is a metal with an oxidation number x, a free energy of oxygen-bond formation ranging from −900 kJ/mol to −2000 kJ/mol, x, and x·y=2. The negative active material for a rechargeable lithium battery according to the present invention can improve initial capacity, initial efficiency, and cycle-life characteristics by suppressing its initial irreversible reaction.

摘要翻译： 用于可再充电锂电池的负极活性材料包括纳米复合材料，其包括配制剂MyO的Si相，SiO 2相和金属氧化物相，其中M是氧化数x的金属，氧键的自由能 形成范围为-900kJ / mol至-2000kJ / mol，x和x·y = 2。 根据本发明的可再充电锂电池的负极活性材料可以通过抑制其初始不可逆反应来提高初始容量，初始效率和循环寿命特性。

公开(公告)号：US20110123849A1

公开(公告)日：2011-05-26

申请号：US12805855

申请日：2010-08-20

申请人： Jae-Yul Ryu ,  Joon-Sup Kim ,  Jea-Woan Lee ,  Jin-Hee Moon ,  Wan-Uk Choi ,  Young-Ugk Kim ,  Chang-Keun Back ,  Seung-Hee Park ,  Yong-Bum Lee

发明人： Jae-Yul Ryu ,  Joon-Sup Kim ,  Jea-Woan Lee ,  Jin-Hee Moon ,  Wan-Uk Choi ,  Young-Ugk Kim ,  Chang-Keun Back ,  Seung-Hee Park ,  Yong-Bum Lee

IPC分类号： H01M2/14 ,  H01M10/00 ,  H01M4/02

CPC分类号： H01M10/052 ,  H01M2/166 ,  H01M2/1686 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0569 ,  Y02E60/122

摘要： Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate.

摘要翻译： 公开了一种可再充电锂电池，其包括：包含锂镍基正极活性物质的正极; 包含负极活性物质的负极; 包含锂盐和非水有机溶剂的电解质; 以及包含聚合物基材和设置在聚合物基材上的含氢氧化物的涂层的分离器。

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：US08524394B2

公开(公告)日：2013-09-03

申请号：US12182013

申请日：2008-07-29

申请人： Nam-Soon Choi ,  Kyoung-Han Ryu ,  Su-Yeong Park ,  Doo-Kyoung Lee ,  Sang-Min Lee ,  Wan-Uk Choi

发明人： Nam-Soon Choi ,  Kyoung-Han Ryu ,  Su-Yeong Park ,  Doo-Kyoung Lee ,  Sang-Min Lee ,  Wan-Uk Choi

IPC分类号： H01M4/62

CPC分类号： H01M10/052 ,  H01M4/134 ,  H01M4/386 ,  H01M4/387 ,  H01M4/483 ,  H01M4/485 ,  H01M4/621 ,  H01M10/0568

摘要： Negative active materials, negative electrodes, and rechargeable lithium batteries are provided. A negative electrode according to one embodiment includes a non-carbon-based active material, a lithium salt having an oxalatoborate structure, and a high-strength polymer binder. The negative active material may include a non-carbon-based material and a coating layer on the non-carbon-based material. The coating layer includes a lithium salt having an oxalatoborate structure and a high-strength polymer binder. A rechargeable lithium battery including the negative electrode or negative active material has good cycle life characteristics and high capacity.

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：US08137845B2

公开(公告)日：2012-03-20

申请号：US11984531

申请日：2007-11-19

申请人： Yang-Soo Kim ,  Wan-Uk Choi ,  Ri-Zhu Yin ,  Joon-Sup Kim ,  Sung-Soo Kim

发明人： Yang-Soo Kim ,  Wan-Uk Choi ,  Ri-Zhu Yin ,  Joon-Sup Kim ,  Sung-Soo Kim

IPC分类号： H01M4/13 ,  H01M4/131 ,  H01M4/134 ,  B01J23/00

CPC分类号： H01M10/0525 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525

摘要： A negative active material for a rechargeable lithium battery includes a compound represented by the following Formula 1: Li1+xTi1−x−yMyO2+z  (1) wherein, in the above Formula 1, 0.01≦x≦0.5, 0≦y≦0.3, −0.2≦z≦0.2, and M is an element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, W, Ag, Sn, Ge, Si, Al, and combinations thereof. The negative active material has high capacity and excellent cycle-life characteristics, and particularly, can provide a rechargeable lithium battery having high capacity at high-rate charge and discharge.

摘要翻译： 用于可再充电锂电池的负极活性材料包括由下式1表示的化合物：Li1 + xTi1-x-yMyO2 + z（1）其中，在上述式1中，0.01≤n1E; x和nlE; 0.5,0和nlE; y＆ 0.3，-0.2＆nlE; z＆nlE; 0.2，M是选自由V，Cr，Mn，Fe，Co，Ni，Cu，Zn，Zr，Nb，Mo，W，Ag，Sn，Ge组成的组中的元素 ，Si，Al及其组合。 负极活性物质具有高容量和优异的循环寿命特性，特别是能够提供高容量充放电时的高容量的可再充电锂电池。