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    • 2. 发明公开
    • 비수전해질 이차 전지
    • 非水电解质二次电池
    • KR1020150135449A
    • 2015-12-02
    • KR1020157030581
    • 2014-04-23
    • 닛산 지도우샤 가부시키가이샤
    • 오하라겐지니타요시아키가노겐타로구보타도모야아오야기마사노리
    • H01M10/052H01M4/131H01M4/36H01M4/525H01M4/505H01M2/02
    • H01M4/364H01M2/0285H01M2/0287H01M2/1686H01M4/131H01M4/505H01M4/525H01M10/052H01M2004/021Y02T10/7011
    • 본발명의과제는특별히고출력에서의사용이상정되는[내부저항이 10mΩ/Ah(SOC 50%) 이하로작음], 스피넬계리튬망간복합산화물을정극활물질로서사용한비수전해질이차전지에있어서, 전지의사용시에고출력의부하등에의해셀 전압의일시적인저하가발생한경우라도, 잔량표시의오차를저감시키는것을가능하게하는수단을제공하는것이다. 정극집전체의표면에정극활물질을포함하는정극활물질층이형성되어이루어지는정극과, 부극집전체의표면에부극활물질을포함하는부극활물질층이형성되어이루어지는부극과, 세퍼레이터를포함하는발전요소를갖고, 내부저항이 10mΩ/Ah 이하(SOC 50%)인비수전해질이차전지에있어서, 정극활물질이, 스피넬계리튬망간복합산화물과, 리튬니켈계복합산화물을포함하도록하고, 또한스피넬계망간정극활물질과리튬니켈계복합산화물의합계 100중량%에대한상기리튬니켈계복합산화물의혼합비율을 50 내지 70중량%로한다.
    • 本发明的目的是尤其是在使用eseoui高输出桑 - 桢[内部电阻低于为10mΩ/阿(SOC 50%)较小],关于是否在使用的细胞用作正电极活性物质的非水电解质,的腿部的尖晶石型锂锰复合氧化物 即使当由于高输出负载等而出现单元电压暂时下降时,也可以减少剩余量显示的误差。 由含有的表面上的正电极活性材料的整个正极活性物质层的正极集电体的正极和包括该负极集电体的表面上的负极活性物质的负极活性物质层的形成被形成为具有一个形成负电极,并且包括分离器的发电元件 根据是否内部电阻为10MΩ/ Ah或更低(SOC 50%)在-可以电解质电池中,正极活性物质,并以包括尖晶石型锂锰复合氧化物,锂镍复合氧化物,和尖晶石型锰阴极活性材料 锂镍复合氧化物的混合比例相对于锂镍复合氧化物的总量100重量%为50〜70重量%。
    • 6. 发明公开
    • 2차 전지 시스템 및 2차 전지 제어 장치
    • 二次电池二次电池系统及控制装置
    • KR1020140088013A
    • 2014-07-09
    • KR1020130162176
    • 2013-12-24
    • 닛산 지도우샤 가부시키가이샤
    • 요시다다카시오하라겐지히라이다마키
    • H01M10/44H01M10/63H01M4/525H01M10/0525
    • H01M10/425G01R19/16542H01M4/505H01M4/525H01M10/0525H01M10/486H01M2010/4271H01M2010/4278Y02E60/122
    • The purpose of the present invention is to provide a secondary battery system which prevents the decrease in energy density by preventing the precipitation of lithium at a negative electrode. The secondary battery system comprises: a secondary battery (2); a temperature sensor (4) for measuring the temperature of the secondary battery (2); and a control part (7) for controlling the voltage of the secondary battery (2) to be smaller than a supremum voltage during a charging process as the temperature of the secondary battery (2) measured by the temperature sensor (4) rises. The control part (7) remembers corresponding information composed of the temperature of the secondary battery (2) to the supremum voltage to make the value of the capacity of the negative electrode/the capacity of a positive larger than 1. The voltage of the secondary battery (2) is controlled on the basis of the corresponding information to be smaller than the supremum voltage.
    • 本发明的目的是提供一种二次电池系统,其通过防止锂在负极上析出而防止能量密度的降低。 二次电池系统包括:二次电池(2); 用于测量二次电池(2)的温度的温度传感器(4); 以及控制部(7),用于当由温度传感器(4)测量的二次电池(2)的温度升高时,在充电过程中将二次电池(2)的电压控制为小于上限电压。 控制部(7)将由二次电池(2)的温度构成的对应信息记录到上限电压,使负极的容量的值/正的容量大于1.次级的电压 基于相应的信息控制电池(2)小于上限电压。
    • 7. 发明公开
    • 적층 구조 전지
    • 层状结构细胞
    • KR1020140016180A
    • 2014-02-07
    • KR1020130088637
    • 2013-07-26
    • 닛산 지도우샤 가부시키가이샤
    • 오하라겐지요시다다카시사토오마사노부오비카모토하루시모이다요시오
    • H01M2/10
    • The present invention is to provide a stack-structure cell including a resin layer between an electrode and a separator capable of preventing melting imbalance among resin layers inside and outside the stacking direction and reducing the difference of ion permeability among the resin layers. The stack-structure cell has a stack of three or more single cell layers which have an electrolyte layer including a cathode, an anode, and a separator and in which the cathode and the anode are put into the electrolyte layer. Between at least one among the cathode and the anode and the separator, a resin layer which is formed by attaching at least one among the cathode and the anode and the separator exists. The resin layer includes a coating part and a non-coating part. The area (if multiple coating parts, the average area of the coating parts) of the coating part at the center is greater than the area of the edge.
    • 本发明提供一种在电极和隔膜之间具有树脂层的层叠结构单元,其能够防止层叠方向内侧和外侧的树脂层之间的熔融不平衡,并降低树脂层之间的离子渗透性差异。 堆叠结构单元具有三个或更多个单电池层的堆叠,其具有包括阴极,阳极和隔板的电解质层,并且其中阴极和阳极被放入电解质层中。 在阴极和阳极中的至少一个和隔板之间存在通过附着阴极和阳极中的至少一个和隔膜形成的树脂层。 树脂层包括涂覆部分和非涂覆部分。 中心处的涂层部分的面积(如果多个涂层部分,涂层部分的平均面积)大于边缘的面积。
    • 9. 发明公开
    • 적층 구조 전지
    • 层结构电池
    • KR1020130105448A
    • 2013-09-25
    • KR1020130026119
    • 2013-03-12
    • 닛산 지도우샤 가부시키가이샤
    • 오하라겐지요시다다카시사토오마사노부오비카모토하루
    • H01M10/0585H01M4/62
    • PURPOSE: A lamellar structure battery is provided to prevent the difference of the ion permeability of each resin layer by preventing the lack of a melting uniformity between the inner side and the outer side of a laminating direction. CONSTITUTION: A lamellar structure battery is formed by laminating three or more of unit battery layers (19). The unit battery layer has a positive electrode (13), a negative electrode (15), and an electrolyte layer (17) including a separator, is formed by inserting the positive electrode, negative electrode, and electrolyte layer, is additionally has a resin layer (18) which is located between at least one of the positive and negative electrode and the separator and is formed by attaching the separator with at least one of the positive electrode and the negative electrode. At least one of the melting temperature, softening temperature, heat deflection temperature, and deflection load temperature of the center part is smaller than that of a side part.
    • 目的:通过防止层压方向的内侧和外侧之间的熔融均匀性不足,来提供层状结构的电池,以防止每个树脂层的离子渗透性的差异。 构成:通过层压三个或更多个单元电池层(19)形成层状结构电池。 通过插入正极,负极和电解质层,形成具有正极(13),负极(15)和包括隔板的电解质层(17)的单位电池层,另外具有树脂 位于正极和负极中的至少一个与隔板之间的层(18),并且通过将隔板与正极和负极中的至少一个连接而形成。 中心部分的熔融温度,软化温度,热变形温度和偏转负载温度中的至少一个小于侧面部分的熔化温度,软化温度,热变形温度和偏转负载温度中的至少一个。
    • 10. 发明公开
    • 전기 디바이스에 사용되는 전극
    • 电器用电极
    • KR1020120127194A
    • 2012-11-21
    • KR1020120025971
    • 2012-03-14
    • 닛산 지도우샤 가부시키가이샤
    • 오하라겐지다까야마사히로
    • H01M4/70H01M4/04H01M4/02B60L11/18
    • Y02T10/7005H01M4/70B60L11/18H01M4/02H01M4/04
    • PURPOSE: An electrode for electrical device is provided to reduce weight of electric devices by reducing weight of a current collator. CONSTITUTION: An electrode for electrical device(35) comprises a current collector(32) having a plurality of through-holes(32), and an active material layer(33) formed on the current collector. The active material layer comprises a non-conductive porous material(31) and an active material(34) maintained in the pores of the porous material. The porous material is fabric or nonwoven fabric. Between the current collector and the active material layer, a conductive primer layer is additionally formed. A manufacturing method of the electrode comprises: a step of arranging an active material layer on the current collector with a plurality of through-holes.
    • 目的:提供用于电气设备的电极,通过减小电流整流器的重量来减轻电子设备的重量。 构成:电气装置(35)的电极包括具有多个通孔(32)的集电体(32)和形成在集电体上的活性物质层(33)。 活性材料层包括不导电多孔材料(31)和保持在多孔材料的孔中的活性材料(34)。 多孔材料是织物或非织造织物。 在集电体和活性物质层之间,另外形成导电底漆层。 电极的制造方法包括:通过多个通孔在集电体上配置活性物质层的工序。