公开(公告)号：US20110062378A1

公开(公告)日：2011-03-17

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： H01M4/52

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，其中锂镍氧化物在总过渡金属中的镍含量至少为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。

公开(公告)号：US09325011B2

公开(公告)日：2016-04-26

申请号：US12837916

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： H01M4/133 ,  H01M4/62 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

CPC分类号： H01M4/625 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/621 ,  H01M4/622 ,  Y02E60/122

摘要： Disclosed herein is a cathode active material for a lithium secondary battery, including lithium transition metal oxide, where the lithium transition metal oxide is coated with carbon particles and a polymer resin at a surface thereof, and the polymer resin is a substance inactivated by an electrolyte for a lithium secondary battery and an organic solvent and has a melting point of at least 80° C. A lithium secondary battery having the disclosed cathode active material has advantages of improving rate properties and high temperature stability, so as to provide excellent cell characteristics.

摘要翻译： 本文公开了一种用于锂二次电池的正极活性材料，其包括锂过渡金属氧化物，其中锂过渡金属氧化物在其表面被碳颗粒和聚合物树脂涂覆，并且聚合物树脂是被电解质失活的物质 锂二次电池和有机溶剂，并且具有至少80℃的熔点。具有所公开的阴极活性材料的锂二次电池具有改善速率性能和高温稳定性的优点，从而提供优异的电池特性。

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。

公开(公告)号：US09225036B2

公开(公告)日：2015-12-29

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 ,  H01M10/052 ,  H01M2/34 ,  H01M10/42

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：US09627689B2

公开(公告)日：2017-04-18

申请号：US12847138

申请日：2010-07-30

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： H01M4/131 ,  H01M4/62 ,  H01M4/36 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/625 ,  H01M4/366 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/028

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 compound not reacting with an electrolyte (“non-reactive material”), which is selected from a group consisting of oxides, nitrides, sulfides and a mixture or combination thereof not reacting with an electrolyte, as well as a carbon material, at a surface of the lithium nickel oxide.

公开(公告)号：US09225019B2

公开(公告)日：2015-12-29

申请号：US12833502

申请日：2010-07-09

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： H01M4/525 ,  H01M4/485 ,  H01M4/52 ,  H01M4/505 ,  H01M4/62 ,  H01M10/052

CPC分类号： H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/625 ,  H01M10/052 ,  Y02E60/122 ,  Y02T10/7011

摘要： Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein an ion-conductive solid compound and conductive carbon are applied to a surface of the lithium nickel-manganese-cobalt oxide. A lithium secondary battery having the disclosed cathode active material has improved rate properties and high temperature stability, in turn embodying excellent cell performance.

摘要翻译： 本文公开了一种基于由式1表示的锂镍锰 - 氧化钴的阴极活性材料，其中将离子导电固体化合物和导电碳施加到锂镍锰 - 氧化钴锂的表面。 具有所公开的阴极活性材料的锂二次电池具有改进的速率特性和高温稳定性，从而具有优异的电池性能。

公开(公告)号：US20110086274A1

公开(公告)日：2011-04-14

申请号：US12833502

申请日：2010-07-09

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： H01M4/525

CPC分类号： H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/625 ,  H01M10/052 ,  Y02E60/122 ,  Y02T10/7011

摘要： Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein an ion-conductive solid compound and conductive carbon are applied to a surface of the lithium nickel-manganese-cobalt oxide. A lithium secondary battery having the disclosed cathode active material has improved rate properties and high temperature stability, in turn embodying excellent cell performance.

摘要翻译： 本文公开了一种基于由式1表示的锂镍锰 - 氧化钴的阴极活性材料，其中将离子导电固体化合物和导电碳施加到锂镍锰 - 氧化钴锂的表面。 具有所公开的阴极活性材料的锂二次电池具有改进的速率特性和高温稳定性，从而具有优异的电池性能。

公开(公告)号：US09118075B2

公开(公告)日：2015-08-25

申请号：US12833549

申请日：2010-07-09

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 ,  H01M4/52 ,  H01M4/36 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/485 ,  H01M4/366 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122 ,  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 nickel content of at least 40% among overall transition metals and is coated with an ion-conductive solid compound 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表示的锂镍锰 - 氧化钴的阴极活性材料，其中锂镍锰钴氧化物在总过渡金属中的镍含量至少为40％，并且涂覆有离子导电 固体化合物在其表面。 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。

公开(公告)号：US08268198B2

公开(公告)日：2012-09-18

申请号：US12679210

申请日：2009-04-03

申请人： Ho Suk Shin ,  Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park ,  Youngsun Choi ,  Seung Tae Hong ,  Hyo-shik Kil

发明人： Ho Suk Shin ,  Sung kyun Chang ,  Hong-Kyu Park ,  Sinyoung Park ,  Youngsun Choi ,  Seung Tae Hong ,  Hyo-shik Kil

IPC分类号： H01B1/02 ,  H01B1/10 ,  H01B1/08 ,  H01M4/13 ,  H01M4/58

CPC分类号： C01G53/006 ,  C01G51/00 ,  C01G53/40 ,  C01G53/50 ,  C01P2006/40 ,  H01M4/525

摘要： Provided is a precursor for the preparation of a lithium transition metal oxide that is used for the preparation of a lithium transition metal oxide as a cathode active material for a lithium secondary battery, through a reaction with a lithium-containing compound, wherein the precursor contains two or more transition metals, and sulfate ion (SO4)-containing salt ions derived from a transition metal salt for the preparation of the precursor have a content of 0.1 to 0.7% by weight, based on the total weight of the precursor.

摘要翻译： 提供了用于制备锂过渡金属氧化物的前体，其用于通过与含锂化合物的反应制备锂过渡金属氧化物作为锂二次电池的正极活性材料，其中前体包含 基于前体的总重量，由用于制备前体的过渡金属盐衍生的两种或更多种过渡金属和含硫酸根离子（SO 4）的盐离子的含量为0.1至0.7重量％。

公开(公告)号：US08859148B2

公开(公告)日：2014-10-14

申请号：US12792374

申请日：2010-06-02

申请人： Sinyoung Park ,  Sung kyun Chang ,  Hong-Kyu Park ,  Seung Tae Hong ,  Youngsun Choi

发明人： Sinyoung Park ,  Sung kyun Chang ,  Hong-Kyu Park ,  Seung Tae Hong ,  Youngsun Choi

IPC分类号： H01M4/131 ,  H01M4/525 ,  C01G53/00 ,  H01M10/052 ,  H01M4/505

CPC分类号： H01M4/0471 ,  C01G53/44 ,  C01G53/50 ,  C01P2002/20 ,  C01P2002/22 ,  C01P2002/52 ,  C01P2002/88 ,  C01P2004/03 ,  C01P2004/45 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  Y02E60/122 ,  Y02P70/54

摘要： Provided is an electrode active material comprising a nickel-based lithium transition metal oxide (LiMO2) wherein the nickel-based lithium transition metal oxide contains nickel (Ni) and at least one transition metal selected from the group consisting of manganese (Mn) and cobalt (Co), wherein the content of nickel is 50% or higher, based on the total weight of transition metals, and has a layered crystal structure and an average primary diameter of 3 μm or higher, wherein the amount of Ni2+ taking the lithium site in the layered crystal structure is 5.0 atom % or less.

摘要翻译： 本发明提供一种电极活性物质，其包含镍系锂过渡金属氧化物（LiMO2），其中镍系锂过渡金属氧化物含有镍（Ni）和选自锰（Mn）和钴中的至少一种过渡金属 （Co），其中镍的含量基于过渡金属的总重量为50％以上，并且具有层状晶体结构和3μm以上的平均一次直径，其中Ni 2+的量取锂位置 在层状晶体结构中为5.0原子％以下。