专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

91. 发明公开

KR1020110039012A 파우치형 이차전지의 제조방법 및 파우치형 이차전지 有权
标题翻译： POUCH型二次电池及其制造方法
公开(公告)号：KR1020110039012A
公开(公告)日：2011-04-15
申请号：KR1020090096261
申请日：2009-10-09
申请人： 주식회사 엘지화학
发明人： 박성준 , 홍승택 , 윤난지 , 김여진 , 주용규 , 조승수 , 채종현 , 최승돈 , 김보현 , 최상규
IPC分类号： H01M2/02 , H01M10/04
CPC分类号： H01M2/08 , B32B27/08 , H01M2/0217 , Y02E60/12
摘要： PURPOSE: A method for manufacturing a pouch type secondary battery is provided to solve problems on short circuit, insulation resistance break down, moisture penetration and the lowering of sealing strength caused by adhesion sealing of electrolyte. CONSTITUTION: A method for manufacturing a pouch type secondary battery comprises the steps of: performing provisional sealing by putting a battery assembly and electrolyte within a first pouch; activating a battery by performing a rechargeable cycle for the sealed battery; de-gassing the gas created by charging/discharging by opening the first pouch; re-sealing the first pouch; and final sealing a battery packaged with the first pouch in a second pouch.
摘要翻译：目的：提供一种袋式二次电池的制造方法，用于解决短路，绝缘电阻分解，水分渗透以及由电解液的粘合密封引起的密封强度降低的问题。构成：袋型二次电池的制造方法，其特征在于，包括以下步骤：将电池组件和电解质放入第一袋内进行临时密封; 通过对密封电池执行可充电循环来激活电池; 通过打开第一个袋子来消除由充电/放电产生的气体; 重新密封第一个小袋; 并且将第一袋包装的电池最终密封在第二袋中。

92. 发明公开

KR1020110035635A 우수한 내부 단락 방지 성능의 스택/폴딩형 전극조립체, 및 이를 포함하는 이차전지 有权
标题翻译：堆叠/折叠型电极组件，其特征在于防止内部短路电路的高性能，以及包含该短路电路的二次电池
公开(公告)号：KR1020110035635A
公开(公告)日：2011-04-06
申请号：KR1020090093441
申请日：2009-09-30
申请人： 주식회사 엘지화학
发明人： 윤유림 , 전호진 , 최대식 , 최승돈 , 권대홍 , 전지훈
IPC分类号： H01M10/04
摘要： PURPOSE: An electrode assembly is provided to minimize the tear of a separation film even if strong tensile force is applied, thereby effectively preventing the internal short. CONSTITUTION: An electrode assembly is such that two or more unit cells containing a monoaxially oriented separation film are folded with a long sheet-like monoaxially oriented separation film, wherein the monoaxially oriented separation film of the unit cell and the long sheet-like monoaxially oriented separation film are crossed at right angles in an oriented direction of the separation film.
摘要翻译：目的：提供电极组件以尽可能减少分离膜的撕裂，即使施加强力拉力，从而有效地防止内部短路。构成：电极组件使得含有单轴取向分离膜的两个或更多个单元电池用长片状单轴取向分离膜折叠，其中单元电池的单轴取向分离膜和长片状单轴取向分离膜在分离膜的取向方向上以直角交叉。

93. 发明公开

KR1020110034346A 이차 전지 및 그 제조 방법 有权
标题翻译：二次电池及其制造方法
公开(公告)号：KR1020110034346A
公开(公告)日：2011-04-05
申请号：KR1020090091847
申请日：2009-09-28
申请人： 주식회사 엘지화학
发明人： 전지훈 , 최승돈 , 최대식 , 윤난지 , 주용규
IPC分类号： H01M10/04 , H01M2/10
CPC分类号： H01M2/26 , H01M2/348 , H01M10/052
摘要： PURPOSE: A secondary battery is provided to improve the stability of a battery by automatically cutting off the charging/discharging when the inner temperature of the secondary battery increases. CONSTITUTION: A secondary battery comprises an electrode assembly(10), a case and a foaming agent. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The case has an accommodation unit for accommodating electrolyte together with the electrode assembly. The foaming agent is applied in a width direction of at least one of a first tab(42) and a second tab(44) in order to be connected to the lead penetrating the case.
摘要翻译：目的：提供二次电池，以在二次电池的内部温度升高时自动切断充电/放电来提高电池的稳定性。构成：二次电池包括电极组件（10），壳体和发泡剂。电极组件包括第一电极板，第二电极板和隔膜。壳体具有用于与电极组件一起容纳电解质的容纳单元。发泡剂沿着第一突片（42）和第二突片（44）中的至少一个的宽度方向施加，以便连接到穿透外壳的引线。

94. 发明公开

KR1020110034332A 이차 전지용 전극체 및 이를 포함하는 이차 전지 有权
标题翻译：用于二次电池的电极和包含该电池的二次电池
公开(公告)号：KR1020110034332A
公开(公告)日：2011-04-05
申请号：KR1020090091829
申请日：2009-09-28
申请人： 주식회사 엘지화학
发明人： 전지훈 , 최승돈 , 홍승택 , 윤유림
IPC分类号： H01M4/02 , H01M4/04 , H01M4/66 , H01M4/70
摘要： PURPOSE: An electrode for a secondary battery is provided to increase surface area of an electrode current collector by forming an unevenness layer on the surface of the current collector by sandblasting and coating the unevenness layer. CONSTITUTION: An electrode for a secondary battery includes a current collector(12) and an active material coated formed on at least one side of the current collector by sandblasting, wherein the at least one side of the current collector has an unevenness layer(16). The current collector is a positive electrode foil made of aluminum having the thickness of about 20 micrometer.
摘要翻译：目的：提供一种用于二次电池的电极，用于通过喷砂和涂布不平坦层在集电体的表面上形成凹凸层来增加电极集电体的表面积。构成：二次电池用电极包括通过喷砂形成在集电体的至少一侧上的集电体（12）和活性物质，其中集电体的至少一侧具有凹凸层（16）。集电体是由铝制成的正极箔，厚度约为20微米。

95. 发明公开

KR1020100005805A 독립된 분리막을 포함하지 않는 이차전지 有权
标题翻译：没有独立分频器的二次电池
公开(公告)号：KR1020100005805A
公开(公告)日：2010-01-18
申请号：KR1020080065854
申请日：2008-07-08
申请人： 주식회사 엘지화학
发明人： 박승엽 , 이한호 , 최승돈
IPC分类号： H01M2/14 , H01M10/04
CPC分类号： H01M2/14 , H01M2/145 , H01M4/02 , H01M4/04 , Y02E60/122
摘要： PURPOSE: A secondary battery is provided to function as an inherent role of a separator by applying a polymer solution on a cathode or anode, to ensure excellent power characteristic, and to improve the safety of electrode. CONSTITUTION: A secondary battery does not include an independent separator. The separator of the secondary battery is applied on a cathode or anode. The separator is coated with a polymer solution in which a polymer is heat-melted or dissolved in a proper organic solvent. The separator is applied using an inkjet spray method. A method for manufacturing a secondary battery comprises the steps of: heat-melting a polymer or dissolving in a solvent to prepare a polymer solution; and applying the polymer solution to a cathode and anode using an inkjet spray method to form a separator coated on the electrode.
摘要翻译：目的：通过在阴极或阳极上施加聚合物溶液来提供二次电池作为分离器的固有作用，以确保优异的功率特性，并提高电极的安全性。构成：二次电池不包括独立的分离器。二次电池的隔板被施加在阴极或阳极上。隔膜用聚合物溶液涂覆，其中聚合物被加热熔化或溶解在合适的有机溶剂中。使用喷墨喷雾方法施加分离器。一种制造二次电池的方法包括以下步骤：将聚合物加热熔融或溶解在溶剂中以制备聚合物溶液; 并使用喷墨法将聚合物溶液施加到阴极和阳极，以形成涂覆在电极上的隔膜。

96. 发明公开

KR1020090052557A 이차전지의 수명판단 시스템 및 수명판단방법 有权
标题翻译：二次电池寿命计算系统及二次电池寿命计算方法
公开(公告)号：KR1020090052557A
公开(公告)日：2009-05-26
申请号：KR1020070119119
申请日：2007-11-21
申请人： 주식회사 엘지화학
发明人： 유정완 , 이한호 , 최승돈 , 김수영
IPC分类号： H01M10/48
摘要： 본 발명에 의한 이차전지의 수명판단시스템은 대상 이차전지의 방전 후의 개로전압을 측정하는 전압측정부와, 기준 이차전지의 방전 후 측정한 개로전압인 기준개로전압과, 상기 기준개로전압에 대응하는 상기 기준 이차전지의 수명 데이터를 저장하는 메모리와, 상기 대상 이차전지의 개로전압과 상기 메모리에 저장된 기준 이차전지의 수명데이터를 매핑하여 대상 이차전지의 수명을 판단하는 수명판단부와 및 상기 수명판단부에 의해 결정된 대상 이차전지의 수명을 표시하는 디스플레이부를 포함한다. 또한, 본 발명에 의한 이차전지의 수명판단방법은 개로전압측정단계, 수명판단단계, 디스플레이 단계를 포함한다. 본 발명인 이차전지의 수명판단시스템 및 수명판단방법에 의하면 이차전지의 교체시기를 쉽게 알 수 있으며, 불필요한 충전을 방지할 수 있는 효과가 있고, 온도에 대한 영향도 고려한 더욱 정확한 수명판단이 가능하다.
이차전지, 수명, 개로전압

97. 发明公开

KR1020090016279A 향상된 안전성의 이차전지 有权
标题翻译：改进安全的二次电池
公开(公告)号：KR1020090016279A
公开(公告)日：2009-02-13
申请号：KR1020070080804
申请日：2007-08-10
申请人： 주식회사 엘지화학
发明人： 김보현 , 최승돈
IPC分类号： H01M10/04 , H01M2/02 , H01M2/10
CPC分类号： H01M2/1235 , H01M2/0267 , H01M2/0275 , H01M2/1072 , H01M2/345 , H01M10/0431 , H01M10/0459 , H01M10/0525 , H01M10/0583 , H01M10/0585 , H01M2220/20
摘要： A secondary battery is provided to prevent the firing of a battery or the risk of explosion and to secure safety and reliability of operation by emitting high pressure gas inside a battery cell to the desired site. A secondary battery(100) has a structure sealed by heat welding an anode/separation film/cathode electrode assembly installed in a battery case(300). A cut-out part(210) indented from the outer side of the structure is formed in an outer circumference sealing part(310) of an electrode assembly receiving part, to eject high pressure gas to the outside while the sealing force is weaken. The sealing part of the site formed with the cut-out part has the small width compared with the width of the sealing part of the other site.
摘要翻译：提供二次电池以防止电池的点燃或爆炸的风险，并且通过将电池单元内的高压气体排放到期望的位置来确保操作的安全性和可靠性。二次电池（100）具有通过热电焊接安装在电池壳体（300）中的阳极/分离膜/阴极电极组件而被密封的结构。在电极组件接收部分的外周密封部分（310）中形成有从结构外侧凹入的切口部分（210），以在密封力减弱的同时将高压气体喷射到外部。形成有切口部分的部位的密封部分与其他部位的密封部分的宽度相比具有小的宽度。

98. 发明公开

KR1020070099066A 이중 온도조절 시스템의 전지팩 有权
标题翻译：包含组合温度控制系统的电池组
公开(公告)号：KR1020070099066A
公开(公告)日：2007-10-09
申请号：KR1020060029964
申请日：2006-04-03
申请人： 주식회사 엘지화학
发明人： 안재성 , 정도양 , 남궁억 , 최승돈 , 박신영
IPC分类号： H01M2/10 , H01M10/659 , H01M10/617
CPC分类号： H01M2/0277 , H01M2/1077 , H01M2/1094 , H01M10/613 , H01M10/617 , H01M10/625 , H01M10/647 , H01M10/6555 , H01M10/6557 , H01M10/6563 , H01M10/6566 , H01M10/659
摘要： A battery pack of dual temperature control system is provided to suppress the rapid temperature change of unit cells even in case of rapid change of external environment or the stopped state of a battery pack. A battery pack of dual temperature control system is connected with a plurality of unit cells electrically, wherein a heat transfer medium flows between unit cells to control the entire temperature of the battery pack to be in a certain range for optimum operation, and a phase change material layer(150) is added on the each outer surface of the unit cells in contact with the heat transfer medium so as to minimize the individual temperature deviation of unit cells.
摘要翻译：提供双温度控制系统的电池组，以便即使在外部环境的快速变化或电池组的停止状态的情况下也能抑制单元电池的快速温度变化。双温度控制系统的电池组与多个单电池电连接，其中传热介质在单元电池之间流动，以将电池组的整个温度控制在一定范围内以实现最佳操作，并且相变在与传热介质接触的单元电池的每个外表面上添加材料层（150），以使单元电池的单独温度偏差最小化。

99. 发明授权

KR100623476B1 박막 코팅을 이용한 리튬 이온 전지 失效
标题翻译：锂离子电池使用薄层涂层
公开(公告)号：KR100623476B1
公开(公告)日：2006-09-19
申请号：KR1020040054032
申请日：2004-07-12
申请人： 주식회사 엘지화학
发明人： 최승돈 , 김형진
IPC分类号： H01M10/38 , H01M4/02
摘要： 본 발명은 전해액과 반응성이 없고 리튬 이온 전도성이 있으며 전기 전도성이 없는 박막으로 코팅되어 있는 전지용 양극 및 이를 포함하는 리튬 이온 전지를 제공한다. 본 발명에서는 상기 박막에 의하여 양극 재료와 전해액의 부반응을 저해하고 양극 재료가 전해액의 유기 용매에 용해되는 것을 방지하여 전지의 수명과 안전성 향상을 도모할 수 있다. 또한, 전해질이 전극의 높은 전압에 직접 접촉하지 않게 하여 전해질의 분해 전위 이상의 전위에서 작동하는 양극 재료들을 사용할 수 있다.
리튬 이온 전지, 박막 코팅

100. 发明公开

KR1020050014701A 고온 보존 특성이 향상된 리튬 이온 전지 有权
标题翻译：含有特定表面积的金属氢氧化物的正极，以及含有正极的锂二次电池
公开(公告)号：KR1020050014701A
公开(公告)日：2005-02-07
申请号：KR1020040059575
申请日：2004-07-29
申请人： 주식회사 엘지화학
发明人： 최승돈 , 김형진
IPC分类号： H01M4/48 , H01M4/60
CPC分类号： H01M10/0525 , H01M4/131 , H01M4/485 , H01M4/525 , H01M4/62 , H01M10/0567 , H01M10/0587 , H01M10/44
摘要： PURPOSE: Provided are a positive electrode for a battery, and a lithium secondary battery containing the positive electrode which is improved in high temperature storage characteristics and is reduced in the decrease of capacity due to the increase of the amount of metal hydroxides. CONSTITUTION: The positive electrode comprises a metal hydroxide having a specific surface area of 1 m2/g or more as a positive electrode additive. Preferably the content of the metal hydroxide is less than 10 wt% and is at least one kind of hydroxide selected from the group consisting of Al(OH)3, Mg(OH)2, Ca(OH)2, LiOH and NaOH. The lithium secondary battery comprises the positive electrode; a negative electrode; and a nonaqueous electrolyte solution. Preferably the electrolyte solution contains at least one kind of additive selected from the group consisting of the compounds represented by the formulas 1 to 4, wherein R1 and R2 are independently H, a C1-C5 alkenyl group, a C1-C5 alkyl group, a halogen atom, or a phenyl or phenoxy group unsubstituted or substituted with a C1-C5 alkyl group or a halogen atom.
摘要翻译：目的：提供一种电池用正极和含有正极的锂二次电池，其具有高温保存特性，并且由于金属氢氧化物的量的增加而容量的降低而降低。构成：正极包含作为正极添加剂的比表面积为1m 2 / g以上的金属氢氧化物。优选地，金属氢氧化物的含量小于10重量％，并且是选自Al（OH）3，Mg（OH）2，Ca（OH）2，LiOH和NaOH中的至少一种氢氧化物。锂二次电池包括正电极; 负极; 和非水电解质溶液。优选地，电解质溶液含有选自由式1至4表示的化合物中的至少一种添加剂，其中R 1和R 2独立地为H，C 1 -C 5烯基，C 1 -C 5烷基，卤素原子或未被取代或被C 1 -C 5烷基或卤素原子取代的苯基或苯氧基。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式