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公开(公告)号：US09705112B2
公开(公告)日：2017-07-11
申请号：US14315935
申请日：2014-06-26
Applicant: LG Chem, Ltd.
Inventor： Youngjoon Shin , Min Su Kim , Junill Yoon , Ji Heon Ryu , Jeong Hee Choi , Seung-Jin Yang
CPC classification number: H01M2/06 , H01M2/02 , H01M2/021 , H01M2/0275 , H01M2/0277 , H01M2/0287 , H01M2/20 , H01M2/266 , H01M2/30 , H01M10/052
Abstract: Disclosed herein is a secondary battery constructed in a structure in which an electrode assembly having a cathode/separator/anode arrangement is mounted in a battery case made of a laminate sheet including a resin layer and a metal layer, electrode tabs of the electrode assembly are coupled to corresponding electrode leads, and the electrode assembly is sealed in the battery case while electrode leads are exposed to the outside of the battery case, wherein a protective film is attached to coupling regions between the electrode tabs and the electrode leads for sealing the coupling regions between the electrode tabs and the electrode leads. The secondary battery according to the present invention is constructed in a structure in which the coupling regions are sealed by the protective film, unlike a conventional secondary battery constructed in a structure in which the coupling regions between the electrode tabs and the electrode leads are exposed in the battery case. As a result, the electrode leads are protected from external impacts, such as falling of the battery. Consequently, no internal short circuit occurs, and therefore, the safety of the battery is increased.
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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.
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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。
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4.发明申请公开(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。
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公开(公告)号：US20140356697A1
公开(公告)日：2014-12-04
申请号：US14315935
申请日：2014-06-26
Applicant: LG Chem, Ltd.
Inventor： Youngjoon Shin , Min Su Kim , Junill Yoon , Ji Heon Ryu , Jeong Hee Choi , Seung-Jin Yang
CPC classification number: H01M2/06 , H01M2/02 , H01M2/021 , H01M2/0275 , H01M2/0277 , H01M2/0287 , H01M2/20 , H01M2/266 , H01M2/30 , H01M10/052
Abstract: Disclosed herein is a secondary battery constructed in a structure in which an electrode assembly having a cathode/separator/anode arrangement is mounted in a battery case made of a laminate sheet including a resin layer and a metal layer, electrode tabs of the electrode assembly are coupled to corresponding electrode leads, and the electrode assembly is sealed in the battery case while electrode leads are exposed to the outside of the battery case, wherein a protective film is attached to coupling regions between the electrode tabs and the electrode leads for sealing the coupling regions between the electrode tabs and the electrode leads. The secondary battery according to the present invention is constructed in a structure in which the coupling regions are sealed by the protective film, unlike a conventional secondary battery constructed in a structure in which the coupling regions between the electrode tabs and the electrode leads are exposed in the battery case. As a result, the electrode leads are protected from external impacts, such as falling of the battery. Consequently, no internal short circuit occurs, and therefore, the safety of the battery is increased.
Abstract translation: 本文公开了一种二次电池，其结构是将具有阴极/隔板/阳极布置的电极组件安装在由包括树脂层和金属层的层压片制成的电池壳中，电极组件的电极片 耦合到相应的电极引线，并且电极组件被密封在电池壳体中，同时电极引线暴露于电池壳体的外部，其中保护膜附接到电极接线片和电极引线之间的耦合区域，用于密封耦合 电极片和电极引线之间的区域。 根据本发明的二次电池被构造成其中耦合区域被保护膜密封的结构不同于传统的二次电池，其结构是将电极接头和电极引线之间的耦合区域暴露在其中 电池盒。 结果，电极引线被保护免受外部冲击，例如电池的掉落。 因此，不会发生内部短路，因此电池的安全性增加。
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Patent Agency Ranking
公开(公告)号：US10026944B2
公开(公告)日：2018-07-17
申请号：US14844444
申请日：2015-09-03
Applicant: LG Chem, Ltd.
Inventor： Ji Heon Ryu , Jeong Hee Choi , Kwangho Yoo , Youngjoon Shin
Abstract: Disclosed herein is a stacking or stacking/folding type electrode assembly of a cathode/separator/anode structure, wherein the electrode assembly is constructed in a structure in which tabs (electrode tabs), having no active material applied thereto, protrude from electrode plates constituting the electrode assembly, the electrode tabs are electrically connected to an electrode lead, and the pluralities of electrode tabs are joined to the top and the bottom of the electrode lead at an electrode lead-electrode tabs joint portion such that the resistance difference between electrodes at the electrode lead-electrode tabs joint portion is minimized. Also disclosed is an electrochemical cell including the electrode assembly.
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7.发明申请公开(公告)号：US20150380717A1
公开(公告)日：2015-12-31
申请号：US14844444
申请日：2015-09-03
Applicant: LG Chem, Ltd.
Inventor： Ji Heon Ryu , Jeong Hee Choi , Kwangho Yoo , Youngjoon Shin
CPC classification number: H01M2/26 , H01G11/06 , H01G11/26 , H01M2/266 , H01M10/04 , H01M2220/30 , Y02E60/122
Abstract: Disclosed herein is a stacking or stacking/folding type electrode assembly of a cathode/separator/anode structure, wherein the electrode assembly is constructed in a structure in which tabs (electrode tabs), having no active material applied thereto, protrude from electrode plates constituting the electrode assembly, the electrode tabs are electrically connected to an electrode lead, and the pluralities of electrode tabs are joined to the top and the bottom of the electrode lead at an electrode lead-electrode tabs joint portion such that the resistance difference between electrodes at the electrode lead-electrode tabs joint portion is minimized. Also disclosed is an electrochemical cell including the electrode assembly.
Abstract translation: 本文公开了一种阴极/分离器/阳极结构的层叠/堆叠/折叠型电极组件，其中电极组件构造成其中不施加活性材料的突片（电极片）从构成的电极板突出的结构 电极组件，电极片电连接到电极引线，并且多个电极片在电极引出电极接头部分处接合到电极引线的顶部和底部，使得电极之间的电阻差 电极引出电极接头部分被最小化。 还公开了包括电极组件的电化学电池。
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8.发明授权公开(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
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。
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公开(公告)号：US08778523B2
公开(公告)日：2014-07-15
申请号：US13911480
申请日：2013-06-06
Applicant: LG Chem, Ltd.
Inventor： Ji Heon Ryu , Jaepil Lee , Jeong Hee Choi , Min Su Kim , Youngjoon Shin
IPC: H01M2/18
CPC classification number: H01M2/18 , H01M10/052 , H01M10/0525 , H01M10/0583 , H01M10/0585 , H01M10/0587
Abstract: Disclosed herein is an electrochemical cell constructed in a structure in which a plurality of full cells or bicells, as unit cells, are folded by a separation film formed in the shape of a long sheet, and separators of the unit cells are secured to the separation film by thermal welding. The electrochemical cell according to the present invention has the effect of preventing the electrodes of the stacked electrodes from being separated from the separation film or from being twisted due to external impacts and vibrations, thereby restraining the electrochemical cell from generating heat or catching fire. Furthermore, the structural stability of the electrochemical cell is maintained even when the temperature of the electrochemical cell is increased, or the volume of the electrochemical cell is increased due to the generation of gas.
Abstract translation: 本文公开了一种电化学电池，其构造为其中作为单位电池的多个全电池或双电池通过形成为长片形的分离膜折叠的结构，并且单元电池的隔板被固定到分离 薄膜通过热焊接。 根据本发明的电化学电池具有防止堆叠电极的电极与分离膜分离或由于外部冲击和振动而扭曲，从而抑制电化学电池发热或发火的效果。 此外，即使当电化学电池的温度升高或电化学电池的体积由于气体的产生而增加时，也保持电化学电池的结构稳定性。
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公开(公告)号：US20130266841A1
公开(公告)日：2013-10-10
申请号：US13911480
申请日：2013-06-06
Applicant: LG Chem, Ltd.
Inventor： Ji Heon Ryu , Jaepil Lee , Jeong Hee Choi , Min Su Kim , Youngjoon Shin
IPC: H01M2/18
CPC classification number: H01M2/18 , H01M10/052 , H01M10/0525 , H01M10/0583 , H01M10/0585 , H01M10/0587
Abstract: Disclosed herein is an electrochemical cell constructed in a structure in which a plurality of full cells or bicells, as unit cells, are folded by a separation film formed in the shape of a long sheet, and separators of the unit cells are secured to the separation film by thermal welding. The electrochemical cell according to the present invention has the effect of preventing the electrodes of the stacked electrodes from being separated from the separation film or from being twisted due to external impacts and vibrations, thereby restraining the electrochemical cell from generating heat or catching fire. Furthermore, the structural stability of the electrochemical cell is maintained even when the temperature of the electrochemical cell is increased, or the volume of the electrochemical cell is increased due to the generation of gas.
Abstract translation: 本文公开了一种电化学电池，其构造为其中作为单位电池的多个全电池或双电池通过形成为长片形的分离膜折叠的结构，并且单元电池的隔板被固定到分离 薄膜通过热焊接。 根据本发明的电化学电池具有防止堆叠电极的电极与分离膜分离或由于外部冲击和振动而扭曲，从而抑制电化学电池发热或发火的效果。 此外，即使当电化学电池的温度升高或电化学电池的体积由于气体的产生而增加时，也保持电化学电池的结构稳定性。
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