公开(公告)号：US09263738B2

公开(公告)日：2016-02-16

申请号：US14488507

申请日：2014-09-17

Applicant: LG Chem, Ltd.

Inventor： Ji Heon Ryu ,  Min Su Kim ,  Jung Eun Hyun ,  Jaepil Lee ,  Eun Ju Lee ,  Youngjoon Shin

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M4/04 ,  H01M4/02

CPC classification number: H01M4/364 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a cathode active material composed of a mixture of lithium/manganese spinel oxide and lithium/nickel/cobalt/manganese composite oxide wherein the cathode active material exhibits the life characteristics that the capacity at 300 cycles is more than 70% relative to the initial capacity, in the provision of satisfying the condition (i) regarding the particle size and the condition (ii) regarding the mixing ratio.

Abstract translation: 本发明提供一种即使在反复进行大电流充放电之后，在室温和高温下也具有使用寿命长，安全性高的非水电解质型大功率锂二次电池。 电池包括由锂/锰尖晶石氧化物和锂/镍/钴/锰复合氧化物的混合物组成的正极活性材料，其中正极活性材料表现出寿命特性，即300次循环下的容量相对于 在提供满足条件（i）关于颗粒大小和关于混合比的条件（ii）的情况下）的初始容量。

公开(公告)号：US09269951B2

公开(公告)日：2016-02-23

申请号：US14537979

申请日：2014-11-11

Applicant: LG Chem, Ltd.

Inventor： Ji Heon Ryu ,  Min Su Kim ,  Jung Eun Hyun ,  Jaepil Lee ,  Eun Ju Lee ,  Youngjoon Shin

IPC: H01M4/36 ,  H01M10/052 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material.

公开(公告)号：US20150060726A1

公开(公告)日：2015-03-05

申请号：US14537979

申请日：2014-11-11

Applicant: LG Chem, Ltd.

Inventor： Ji Heon Ryu ,  Min Su Kim ,  Jung Eun Hyun ,  Jaepil Lee ,  Eun Ju Lee ,  Youngjoon Shin

IPC: H01M4/36 ,  H01M4/525 ,  H01M10/052 ,  H01M4/505

CPC classification number: H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material.

Abstract translation: 本发明提供一种即使在反复进行大电流充放电之后，在室温和高温下也具有使用寿命长，安全性高的非水电解质型大功率锂二次电池。 该电池包括用锰（Mn）位置取代某种金属离子的锂/锰尖晶石氧化物和锂/镍/钴/锰复合氧化物的混合物作为阴极活性材料。

公开(公告)号：US20150004492A1

公开(公告)日：2015-01-01

申请号：US14488507

申请日：2014-09-17

Applicant: LG Chem, Ltd.

Inventor： Ji Heon Ryu ,  Min Su Kim ,  Jung Eun Hyun ,  Jaepil Lee ,  Eun Ju Lee ,  Youngjoon Shin

IPC: H01M4/36 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/505

CPC classification number: H01M4/364 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a cathode active material composed of a mixture of lithium/manganese spinel oxide and lithium/nickel/cobalt/manganese composite oxide wherein the cathode active material exhibits the life characteristics that the capacity at 300 cycles is more than 70% relative to the initial capacity, in the provision of satisfying the condition (i) regarding the particle size and the condition (ii) regarding the mixing ratio.

Abstract translation: 本发明提供一种即使在反复进行大电流充放电之后，在室温和高温下也具有使用寿命长，安全性高的非水电解质型大功率锂二次电池。 电池包括由锂/锰尖晶石氧化物和锂/镍/钴/锰复合氧化物的混合物组成的正极活性材料，其中正极活性材料表现出寿命特性，即300次循环下的容量相对于 在提供满足条件（i）关于颗粒大小和关于混合比的条件（ii）的情况下）的初始容量。