公开(公告)号：US08026008B2

公开(公告)日：2011-09-27

申请号：US12723119

申请日：2010-03-12

申请人： Soojin Kim ,  Hong-Kyu Park ,  Sung kyun Chang ,  Jeong-Ju Cho ,  Hochun Lee

发明人： Soojin Kim ,  Hong-Kyu Park ,  Sung kyun Chang ,  Jeong-Ju Cho ,  Hochun Lee

IPC分类号： H01M4/48

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0567

摘要： Disclosed herein is a lithium secondary cell including 20 to 100 wt. % of lithium transition metal oxide represented by a formula of Li1+zNibMncMe1−(b+c)O2, relative to a total amount of a cathode active material, as well as an electrolyte consisting of a lithium salt and a non-aqueous solvent, wherein a first additive to form a protective film (that is, a solid electrolyte interface film: SEI film) over a surface of an anode active material and a second additive to form another SEI film over the surface of the anode active material while inactivating impurities contained in the cathode active material are included in the electrolyte.

摘要翻译： 本文公开了一种锂二次电池，其包含20至100重量％ 由Li1 + zNibMncMe1（b + c）O2表示的锂过渡金属氧化物的相对于阴极活性物质的总量以及由锂盐和非水溶剂组成的电解质的％ 其中在阳极活性材料的表面上形成保护膜（即，固体电解质界面膜：SEI膜）的第一添加剂和第二添加剂，以在阳极活性材料的表面上形成另一SEI膜，同时使杂质失活 包含在阴极活性材料中的电解质包含在电解质中。

公开(公告)号：US20110195303A1

公开(公告)日：2011-08-11

申请号：US13053579

申请日：2011-03-22

申请人： Sung Kyun CHANG ,  Hong-Kyu Park ,  Ho Suk Shin ,  Seung Tae Hong ,  Youngsun Choi

发明人： Sung Kyun CHANG ,  Hong-Kyu Park ,  Ho Suk Shin ,  Seung Tae Hong ,  Youngsun Choi

IPC分类号： H01M10/05 ,  H01M4/90

CPC分类号： H01M4/505 ,  C01G53/44 ,  C01P2002/20 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/525 ,  H01M10/052

摘要： Disclosed herein is a cathode active material for a lithium secondary battery, in particular, including a lithium transition metal oxide with a layered crystalline structure in which the transition metal includes a transition metal mixture of Ni, Mn and Co, and an average oxidation number of all transition metals other than lithium is more than +3, and specific conditions represented by the following formulae (1) and (2), 1.1

摘要翻译： 本发明公开了一种用于锂二次电池的阴极活性材料，特别是包括具有层状结晶结构的锂过渡金属氧化物，其中过渡金属包括Ni，Mn和Co的过渡金属混合物，平均氧化数 除锂之外的所有过渡金属都大于+3，由下式（1）和（2）表示的具体条件，1.1

公开(公告)号：US20110168944A1

公开(公告)日：2011-07-14

申请号：US12667357

申请日：2008-10-08

申请人： Sung Kyun Chang ,  Ho Suk Shin ,  Hong-Kyu Park

发明人： Sung Kyun Chang ,  Ho Suk Shin ,  Hong-Kyu Park

IPC分类号： H01M4/505

CPC分类号： C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y02T10/7011

摘要： Provided is a cathode active material for a lithium secondary battery, including a lithium-transition metal composite oxide represented by the following formula (1), which contains an excess of lithium, so as to exhibit enhanced rate characteristics under high rate charge/discharge conditions: Lii+aNi′bNi″cMndCoeO2 (1) wherein each of a, b, c, d and e has the same meaning as defined in the disclosure. The cathode active material according to the present invention includes an excess of lithium and, different from conventional technologies, a lithium-transition metal composite oxide containing a nickel element with a predetermined oxidation number, so that the active material exhibits a stable crystal structure and excellent rate characteristics under high rate charge/discharge conditions.

摘要翻译： 本发明提供一种锂二次电池用正极活性物质，其包含由下述式（1）表示的锂过渡金属复合氧化物，其含有过量的锂，以便在高速率充放电条件下表现出增强的速率特性 ：Lii + aNi'bNi“cMndCoeO2（1）其中a，b，c，d和e各自具有与本公开中所定义相同的含义。 根据本发明的正极活性物质包含过量的锂，并且与常规技术不同，含有具有预定氧化数的镍元素的锂 - 过渡金属复合氧化物，使得活性材料表现出稳定的晶体结构和优异的 高速率充​​放电条件下的速率特性。

公开(公告)号：US20110151328A1

公开(公告)日：2011-06-23

申请号：US12851888

申请日：2010-08-06

申请人： Sung kyun CHANG ,  Hong-Kyu Park ,  Sinyoung Park

发明人： Sung kyun CHANG ,  Hong-Kyu Park ,  Sinyoung Park

IPC分类号： H01M4/485 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525

CPC分类号： H01M4/525 ,  H01M4/366 ,  H01M4/62 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

摘要： Provided is a cathode active material composed of lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide contains nickel in an amount of 40% or higher, based on the total weight of transition metals, and the cathode active material comprises a first coating layer provided on the surface thereof and a second coating layer provided on the surface of the first coating layer, wherein the first coating layer is composed of a non-reactive material selected from the group consisting of oxides, nitrides, sulfides and mixtures or complexes thereof and the second coating layer is composed of a carbon-based material.

摘要翻译： 本发明提供一种由式1所示的锂镍氧化物构成的正极活性物质，其中，所述锂镍氧化物含有基于过渡金属的总重量为40％以上的镍，所述阴极活性物质包含第一涂层 并且设置在第一涂层的表面上的第二涂层，其中第一涂层由选自氧化物，氮化物，硫化物及其混合物或络合物的非反应性材料组成 第二涂层由碳系材料构成。

公开(公告)号：US20110070501A1

公开(公告)日：2011-03-24

申请号：US12843471

申请日：2010-07-26

申请人： Sung kyun CHANG ,  Hong-Kyu Park ,  Sinyoung Park

发明人： Sung kyun CHANG ,  Hong-Kyu Park ,  Sinyoung Park

IPC分类号： H01M4/62 ,  H01B1/00 ,  H01B1/04 ,  H01B1/22

CPC分类号： H01M10/052 ,  H01M2/34 ,  H01M2/348 ,  H01M4/622 ,  H01M4/624 ,  H01M4/625 ,  H01M4/628 ,  H01M10/4235 ,  Y02E60/122 ,  Y02T10/7011

摘要： Disclosed herein is an additive for improvement in safety of an electrochemical device, including an inner core and an outer coating layer, wherein the inner core is formed using a volume-expandable material fused at more than a predetermined temperature while the outer coating layer is formed using a conductive material with higher conductivity than that of the inner core and covers an outer face of the inner core.The disclosed additive rapidly increases resistance of the electrochemical device before ignition/explosion of the device caused by temperature rise, thereby effectively preventing ignition/explosion of the electrochemical device without deterioration in performance of the electrochemical device.

摘要翻译： 本文公开了一种用于改进电化学装置的安全性的添加剂，其包括内芯和外涂层，其中内芯使用在大于预定温度下熔化的体积可膨胀材料形成，同时外涂层形成 使用导电性高于内芯导电性的导电材料，并覆盖内芯的外表面。 所公开的添加剂在由温度升高引起的装置点火/爆炸之前快速增加电化学装置的电阻，从而有效地防止电化学装置的点火/爆炸，而不会使电化学装置的性能下降。

公开(公告)号：US09608259B2

公开(公告)日：2017-03-28

申请号：US13469783

申请日：2012-05-11

申请人： Sung Kyun Chang ,  Sinyoung Park ,  Hong-Kyu Park ,  Jinhyung Lim

发明人： Sung Kyun Chang ,  Sinyoung Park ,  Hong-Kyu Park ,  Jinhyung Lim

IPC分类号： H01M4/13 ,  H01M4/36 ,  H01M4/58 ,  H01M4/505 ,  H01M4/525 ,  B60L11/18

CPC分类号： H01M4/13 ,  B60L11/1879 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  Y02E60/122 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/705

摘要： Disclosed herein are a cathode for a secondary battery, which includes a combination of one or more selected from compounds represented by Formula 1 and or more selected from compounds represented by Formula 2, as illustrated below, and a secondary battery having the same, xLi2MO3*(1−x)LiM′O2  (1) (1−u)LiFePO4*uC  (2).

公开(公告)号：US08993167B2

公开(公告)日：2015-03-31

申请号：US12851888

申请日：2010-08-06

申请人： Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park

发明人： Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park

IPC分类号： H01M4/00 ,  H01M4/525 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/525 ,  H01M4/366 ,  H01M4/62 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

摘要： Provided is a cathode active material composed of lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide contains nickel in an amount of 40% or higher, based on the total weight of transition metals, and the cathode active material comprises a first coating layer provided on the surface thereof and a second coating layer provided on the surface of the first coating layer, wherein the first coating layer is composed of a non-reactive material selected from the group consisting of oxides, nitrides, sulfides and mixtures or complexes thereof and the second coating layer is composed of a carbon-based material.

摘要翻译： 本发明提供一种由式1所示的锂镍氧化物构成的正极活性物质，其中，所述锂镍氧化物含有基于过渡金属的总重量为40％以上的镍，所述阴极活性物质包含第一涂层 并且设置在第一涂层的表面上的第二涂层，其中第一涂层由选自氧化物，氮化物，硫化物及其混合物或络合物的非反应性材料组成 第二涂层由碳系材料构成。

公开(公告)号：US08449792B2

公开(公告)日：2013-05-28

申请号：US13280945

申请日：2011-10-25

申请人： Sung Kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park ,  Soo Min Park ,  Ji Eun Lee

发明人： Sung Kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park ,  Soo Min Park ,  Ji Eun Lee

IPC分类号： H01B1/02 ,  H01B1/00 ,  H01B1/12 ,  H01M4/13 ,  H01M4/58

CPC分类号： H01M4/364 ,  H01M4/48 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525 ,  Y02E60/122

摘要： Provided is a cathode for lithium secondary batteries comprising a combination of one or more compounds selected from Formula 1 and one or more compounds selected from Formula 2. The cathode provides a high-power lithium secondary battery composed of a non-aqueous electrolyte which exhibits long lifespan, long-period storage properties and superior stability at ambient temperature and high temperatures.

摘要翻译： 提供一种锂二次电池用阴极，其包含一种或多种选自式1的化合物和一种或多种选自式2的化合物的组合。阴极提供由非水电解质组成的高功率锂二次电池，其表现出长的 使用寿命长，贮存时间长，在环境温度和高温下具有优异的稳定性。

公开(公告)号：US08377594B2

公开(公告)日：2013-02-19

申请号：US12837897

申请日：2010-07-16

申请人： Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park

发明人： Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park

IPC分类号： H01M4/50

CPC分类号： H01M4/602 ,  H01M4/505 ,  H01M4/525 ,  H01M4/60 ,  H01M10/052 ,  Y02T10/7011

摘要： Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein the lithium nickel-manganese-cobalt oxide has a nickel content of at least 40% among overall transition metals and is coated with a conductive polymer at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while enhancing high temperature stability, so as to efficiently provide high charge capacity.

摘要翻译： 本文公开了一种基于由式1表示的锂镍锰 - 氧化钴的正极活性材料，其中锂镍锰 - 钴氧化物的镍含量在总过渡金属中至少为40％，并且涂覆有导电聚合物 在其表面。 具有所公开的阴极活性物质的锂二次电池具有在提高高温稳定性的同时不劣化导电性的优点，从而有效地提供高的充电容量。

公开(公告)号：US08329339B2

公开(公告)日：2012-12-11

申请号：US12837926

申请日：2010-07-16

申请人： Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park ,  Je Young Kim ,  Yong Tae Lee

发明人： Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park ,  Je Young Kim ,  Yong Tae Lee

IPC分类号： H01M4/131

CPC分类号： H01M4/525 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/602 ,  H01M10/052 ,  H01M2004/021

摘要： Disclosed herein is a cathode active material based on lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide has a nickel content of at least 40% among overall transition metals and is coated with a polymer having a melting point of 80 to 300° C. at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while maintaining high temperature stability, so as to efficiently provide high charge capacity.

摘要翻译： 本文公开了一种基于由式1表示的锂镍氧化物的阴极活性材料，其中所述锂镍氧化物在总过渡金属中的镍含量为至少40％，并且涂覆有熔点为80至300℃的聚合物 C.在其表面。 具有所公开的阴极活性材料的锂二次电池具有在保持高温稳定性的同时不劣化导电性的优点，从而有效地提供高充电容量。