公开(公告)号：US20170346070A1

公开(公告)日：2017-11-30

申请号：US15606996

申请日：2017-05-26

申请人： Samsung SDI Co., Ltd.

发明人： Ji-Hyun Kim ,  Chang-Wook Kim

IPC分类号： H01M4/131 ,  H01M4/525 ,  H01M4/36 ,  B01J20/20 ,  H01M4/136 ,  B01J20/28 ,  H01M4/62 ,  H01M4/505

CPC分类号： H01M4/131 ,  B01J20/20 ,  B01J20/2803 ,  B01J20/28054 ,  C01B32/30 ,  H01M4/136 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/624 ,  H01M10/0525

摘要： A positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode may include a current collector and a positive active material layer on the current collector, wherein the positive active material layer may include a positive active material and a Fe-containing oxide, and the Fe-containing oxide is included in an amount of about 0.015 parts by weight to about 8.5 parts by weight based on 100 parts by weight of the positive active material.

公开(公告)号：US09722241B2

公开(公告)日：2017-08-01

申请号：US14682022

申请日：2015-04-08

申请人： SAMSUNG SDI CO., LTD.

发明人： Ji-Hyun Kim ,  Chang-Wook Kim ,  Sang-Woo Cho ,  Yong-Chan You

IPC分类号： H01M4/36 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485 ,  C01G53/00 ,  C01G45/12

CPC分类号： H01M4/366 ,  C01G45/1257 ,  C01G53/006 ,  C01G53/54 ,  C01P2004/03 ,  C01P2004/64 ,  C01P2004/88 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525

摘要： A positive active material for a rechargeable lithium battery includes a core including an overlithiated oxide represented by Chemical Formula 1, a first coating layer on the core and including a compound having a spinel structure, and a second coating layer on the first coating layer and including a compound represented by Chemical Formula 2. The compound having a spinel structure shows a peak between about 2.6 V and about 2.7 V in a graph of differential capacity dQ/dV vs. voltage, where the voltage is between about 4.7 V and about 2.5 V. In Chemical Formula 1, 0

公开(公告)号：US20150147651A1

公开(公告)日：2015-05-28

申请号：US14281678

申请日：2014-05-19

申请人： SAMSUNG SDI CO., LTD.

发明人： Ming-Zi Hong ,  Do-Hyung Park ,  Seon-Young Kwon ,  Joong-Ho Moon ,  Ji-Hyun Kim ,  Han-Eol Park ,  Min-Han Kim ,  Myong-A Woo ,  Ki-Hyun Kim ,  Jong-Seo Choi

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/485 ,  H01M4/04

CPC分类号： H01M4/366 ,  H01M4/0416 ,  H01M4/0471 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525

摘要： A positive active material for a rechargeable lithium battery including a core including at least one selected from a nickel-based composite oxide represented by Chemical Formula 1 or a lithium manganese oxide represented by Chemical Formula 2; and a coating layer on a surface of the core and including a lithium metal oxide represented by Chemical Formula 3, the positive active material having a peak at a 2θ value of about 19° to about 22° and another peak at a 2θ value of about 40° to about 45° in an X-ray diffraction pattern using a CuKα ray, is disclosed. A method of preparing the same, and a rechargeable lithium battery including the same, are also disclosed. LiNixCoyMn1-x-yO2  Chemical Formula 1 LiaMnbOc  Chemical Formula 2 Li2MO3  Chemical Formula 3 In Chemical Formulae 1 to 3, x, y, a, b, c, and M are the same as in the detailed description.

摘要翻译： 一种用于可再充电锂电池的正极活性材料，其包括选自由化学式1表示的镍基复合氧化物或由化学式2表示的锂锰氧化物中的至少一种的芯; 以及在芯的表面上的包含由化学式3表示的锂金属氧化物的涂层，所述正极活性物质在2θ处具有峰值; 值约为19°至22°，另一个峰值为2°; 公开了使用CuKα射线的X射线衍射图中约40°至约45°的值。 还公开了一种制备该方法的方法和包括该锂二次电池的可再充电锂电池。 LiNixCoyMn1-x-yO2化学式1化学式2 Li2MO3化学式3在化学式1至3中，x，y，a，b，c和m与详细说明中相同。

公开(公告)号：US20150017537A1

公开(公告)日：2015-01-15

申请号：US14329857

申请日：2014-07-11

申请人： SAMSUNG SDI CO., LTD.

发明人： Ming-Zi Hong ,  Do-Hyung Park ,  Seon-Young Kwon ,  Joong-Ho Moon ,  Ji-Hyun Kim ,  Han-Eol Park ,  Min-Han Kim ,  Myong-A Woo ,  Ki-Hyun Kim ,  Jong-Seo Choi

IPC分类号： H01M4/485 ,  H01M4/525 ,  C01D15/02 ,  H01M4/505

CPC分类号： H01M4/485 ,  C01D15/02 ,  C01G53/50 ,  C01P2002/50 ,  C01P2002/72 ,  C01P2002/88 ,  C01P2004/84 ,  H01M4/505 ,  H01M4/525

摘要： A positive active material for a rechargeable lithium battery includes a lithium composite metal oxide represented by Chemical Formula 1. A method of preparing the positive active material includes adding a lithium metal oxide represented by Chemical Formula 2 to a Zr salt-containing solution to obtain a mixed solution, drying the mixed solution to obtain a dried product, and heat-treating the dried product to prepare a lithium composite metal oxide represented by Chemical Formula 1. A rechargeable lithium battery includes a positive electrode including the positive active material. LiaZrbNicCodMeZrfO2  [Chemical Formula 1] where, 0.9≦a≦1.1, 0

摘要翻译： 用于可再充电锂电池的正极活性材料包括由化学式1表示的锂复合金属氧化物。制备正极活性物质的方法包括将由化学式2表示的锂金属氧化物加入到含Zr盐的溶液中以获得 混合溶液，干燥混合溶液以得到干燥产物，并对干燥产物进行热处理，制备由化学式1表示的锂复合金属氧化物。可再充电锂电池包括包含正极活性物质的正极。 化学式1其中，0.9＆nlE; a＆nlE; 1.1,0

公开(公告)号：US20140072874A1

公开(公告)日：2014-03-13

申请号：US13799111

申请日：2013-03-13

申请人： SAMSUNG SDI CO., LTD.

发明人： Ji-Hyun Kim ,  Yong-Chan You ,  Chang-Wook Kim ,  Jun-Seok Park

IPC分类号： H01M4/13

CPC分类号： H01M4/13 ,  C01G51/42 ,  C01G53/50 ,  C01P2004/04 ,  C01P2004/80 ,  C01P2004/84 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/136 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  Y02E60/122

摘要： A composite cathode active material, a cathode including the same, a lithium battery including the cathode, and preparation method thereof are disclosed. The composite cathode active material includes: a core capable of intercalating and deintercalating lithium; and a crystalline coating layer disposed on at least part of a surface of the core, wherein the coating layer include a metal oxide.

摘要翻译： 公开了一种复合阴极活性材料，包括该阴极活性材料的阴极，包括阴极的锂电池及其制备方法。 复合正极活性物质包括：能嵌入和脱嵌锂的核; 以及设置在所述芯的表面的至少一部分上的结晶涂层，其中所述涂层包括金属氧化物。

公开(公告)号：US10454099B2

公开(公告)日：2019-10-22

申请号：US15613716

申请日：2017-06-05

申请人： SAMSUNG SDI CO., LTD.

发明人： Young-hun Lee ,  Ji-Yeon Jang ,  Soon-Kie Hong ,  Young-Ki Kim ,  Soon-Rewl Lee ,  Ick-Kyu Choi ,  Ji-Hyun Kim ,  Soo-Youn Park ,  Hyun-Joo Je ,  Chang-Wook Kim ,  Kyu-Suk Han

IPC分类号： H01M4/36 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/48 ,  H01M4/525 ,  H01M4/02

摘要： A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. The positive active material includes a core including a lithium intercalation compound and a crystalline coating compound on a surface of the core and including a crystalline aluminum hydroxide, a crystalline aluminum oxyhydroxide, or a combination thereof.

公开(公告)号：US09685657B2

公开(公告)日：2017-06-20

申请号：US14285628

申请日：2014-05-22

申请人： SAMSUNG SDI CO., LTD.

发明人： Seon-Young Kwon ,  Do-Hyung Park ,  Min-Han Kim ,  Ji-Hyun Kim ,  Joong-Ho Moon ,  Kyoung-Hyun Kim ,  Han-Eol Park ,  Yong-Chan You ,  Chang-Wook Kim

IPC分类号： H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  C01G45/02 ,  C01G45/12 ,  C01G53/00 ,  H01M4/485 ,  H01M10/052

CPC分类号： H01M4/36 ,  C01G45/02 ,  C01G45/1257 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/72 ,  C01P2002/88 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/82 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

摘要： A composite precursor represented by Formula 1, a composite prepared therefrom represented by Formula 2, a method of preparing a composite precursor and a composite, a positive electrode for lithium secondary battery including the same, and a lithium secondary battery employing the same. aMn3O4-bM(OH)2  Formula 1 wherein in Formula 1, 0

公开(公告)号：US20150287990A1

公开(公告)日：2015-10-08

申请号：US14617850

申请日：2015-02-09

申请人： Samsung SDI Co., Ltd.

发明人： Sang-Woo Cho ,  Chang-Wook Kim ,  Ji-Hyun Kim

IPC分类号： H01M4/505 ,  H01M10/052 ,  C01G53/00 ,  H01M4/525

CPC分类号： H01M4/505 ,  C01G53/50 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/20 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021

摘要： Provided are a method of preparing a cathode active material, a composite cathode active material, and a cathode and a lithium battery containing the composite cathode active material. The method includes mixing a transition metal source and a reducing agent to prepare a cathode active material precursor; and mixing and calcining the cathode active material precursor to prepare a lithium transition metal oxide, wherein a supplied amount of the reducing agent is about 0.003 mole/hr or less with respect to 1 mole/hr of a supplied amount of the transition metal source.

摘要翻译： 提供制备阴极活性材料，复合阴极活性材料和阴极的方法以及含有复合阴极活性材料的锂电池。 该方法包括混合过渡金属源和还原剂以制备正极活性物质前体; 并混合并煅烧正极活性物质前体以制备锂过渡金属氧化物，其中所提供的还原剂的量相对于过渡金属源的供给量为1摩尔/小时为约0.003摩尔/小时或更小。

公开(公告)号：US20150228971A1

公开(公告)日：2015-08-13

申请号：US14582964

申请日：2014-12-24

申请人： Samsung SDI Co., Ltd.

发明人： Ji-Hyun Kim ,  Hyun-Joo Je ,  Chang-Wook Kim ,  Yong-Chan You

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/1391 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/485 ,  H01M4/505

CPC分类号： H01M4/366 ,  H01M4/0402 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2220/30 ,  Y02E60/122

摘要： A positive active material, a positive electrode and a lithium battery containing the positive active material, and a method of manufacturing the positive active material are disclosed. The positive active material includes: a positive active material core particle for intercalating and deintercalating lithium ions; and a coating layer at least partially surrounding the positive active material core particle and including a ceramic composite represented by Formula 1. Li7+aLa3−bZr2−cMdO12+e  Formula 1 In Formula 1, M comprises at least one selected from aluminum (Al), titanium (Ti), scandium (Sc), vanadium (V), yttrium (Y), niobium (Nb), hafnium (Hf), tantalum (Ta), silicon (Si), gallium (Ga), and germanium (Ge), and −1≦a≦1, 0≦b≦2, 0≦c≦2, 0≦d≦2, and 0≦e≦1.

摘要翻译： 公开了正极活性物质，正极和含有正极活性物质的锂电池，以及制造正极活性物质的方法。 正极活性物质包括：用于嵌入和脱嵌锂离子的正极活性物质核心颗粒; 至少部分地包围正极活性物质核心颗粒并且包括由式1表示的陶瓷复合物的涂层。Li 7 + aLa 3-b Zr 2-c M d O 12 + e式1在式1中，M包括选自铝（Al） ，钛（Ti），钪（Sc），钒（V），钇（Y），铌（Nb），铪（Hf），钽（Ta），硅（Si），镓（Ga） ）和-1＆nlE; a＆nlE; 1，0＆nlE; b＆nlE; 2，0＆nlE; c＆nlE; 2，0＆nlE; d＆nlE; 2和0＆nlE; e＆nlE; 1。

公开(公告)号：US20150017535A1

公开(公告)日：2015-01-15

申请号：US14084559

申请日：2013-11-19

申请人： SAMSUNG SDI CO., LTD.

发明人： Ming-Zi Hong ,  Do-Hyung Park ,  Seon-Young Kwon ,  Joong-Ho Moon ,  Ji-Hyun Kim ,  Han-Eol Park ,  Min-Han Kim ,  Myong-A Woo ,  Ki-Hyun Kim ,  Sun-Ho Kang

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/04 ,  H01M4/485

CPC分类号： H01M4/366 ,  C01G53/50 ,  C01P2002/72 ,  C01P2002/88 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525

摘要： A cathode active material, a preparation method thereof, and a cathode for a lithium secondary battery and a lithium secondary battery including the cathode active material, wherein the cathode active material includes a core active material represented by Formula 1 below; and a coating layer formed on a surface of the core active material, the coating layer including lithium gallium oxide: Lia(A1-x-yBxCy)O2   Formula 1 In Formula 1, a, x, y, A, B, and C are defined in the detailed description.

摘要翻译： 一种正极活性物质及其制备方法以及锂二次电池用阴极和包含该正极活性物质的锂二次电池，其中，所述正极活性物质包含下述式1表示的核心活性物质。 以及形成在所述芯体活性物质的表面上的涂层，所述包含氧化锂镓的涂层：Lia（A1-x-yBxCy）O2式1在式1中，a，x，y，A，B和C分别为 在详细描述中定义。