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    • 1. 发明专利
    • Method for testing battery and electrode
    • 电池和电极测试方法
    • JP2009281916A
    • 2009-12-03
    • JP2008135305
    • 2008-05-23
    • Mitsubishi Electric Corp三菱電機株式会社
    • KICHISE MAKIKOYOSHIOKA SEIJITAKEMURA DAIGO
    • G01R31/36H01M10/42H01M10/44H01M10/48
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To provide a method for testing a battery or electrode capable of correctly and immediately predicting the lifetime of the battery without a short circuit inside the battery.
      SOLUTION: The method for testing the battery or electrode includes: a charge/discharge cycle process of repeating a first step of constant-current charging the battery at a current rate of 1.5 C or higher to an upper-limit voltage, a second step of continuing a constant-voltage charge by maintaining the upper-limit voltage after the first step until lowering to a predetermined current value, a third step of constant-current discharging the battery at a current rate of 1.5 C or higher after the second step until a predetermined voltage, and a forth step of constant-current discharging the battery at a current rate of 0.5 C or lower after the third step until a lower-limit voltage; and a maintenance battery capacity determination process of determining whether or not to be returned to the charge/discharge cycle process by measuring a maintenance battery capacity of the battery after repeating the charge/discharge cycle process by predetermined times and comparing an initial battery capacity and the maintenance battery capacity.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于测试能够正确且立即预测电池寿命的电池或电极的方法,而不会在电池内部发生短路。 解决方案:用于测试电池或电极的方法包括:充电/放电循环过程,其以1.5C或更高的电流速率对电池进行恒流充电第一步骤至上限电压, 通过将第一步骤之后的上限电压维持直到降低到预定电流值来继续恒定电压充电的第二步骤;在第二步之后以1.5C或更高的电流使电池恒流放电的第三步骤 步骤直到预定电压,以及在第三步骤之后以0.5C或更低的电流速率对电池进行恒流放电直到下限电压的第四步骤; 以及维持电池容量确定处理,其通过在重复所述充放电循环处理之后经过预定次数来测量所述电池的维持电池容量来确定是否返回到所述充电/放电循环处理,并将初始电池容量和 维护电池容量。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Lithium secondary cell
    • 锂二次细胞
    • JP2007258071A
    • 2007-10-04
    • JP2006083038
    • 2006-03-24
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAMANO KOJIKICHISE MAKIKOTAKEMURA DAIGONISHIMURA TAKASHI
    • H01M2/02H01M2/16H01M10/05H01M10/052H01M10/0525H01M10/0566H01M10/058
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To obtain a lithium secondary battery in which suppression of performance reduction can be achieved and weight reduction is achieved even in a cosmic environment such as high vacuum and weightless condition. SOLUTION: The lithium secondary battery 1 has the battery body 2, an electrolytic solution retainer 3 contacted with the battery body 2, and a covering body 4 to collectively cover the battery body 2 and the electrolytic solution retainer 3. The battery body 2 has a positive electrode, a negative electrode, a separator arranged between the positive electrode and the negative electrode, and a porous adhesive resin layer to join the separator, the positive electrode, and the negative electrode respectively. Moreover, the electrolytic solution containing a lithium ion is impregnated into the battery body 2 and the electrolytic solution retainer 3. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了获得即使在诸如高真空和无重量状态的宇宙环境中也可以实现降低性能的抑制并且实现重量减轻的锂二次电池。 解决方案:锂二次电池1具有电池主体2,与电池体2接触的电解液保持器3和覆盖体4,以共同地覆盖电池体2和电解溶液保持器3.电池体 2具有正电极,负电极,布置在正电极和负电极之间的隔膜,以及分别连接隔板,正电极和负电极的多孔粘合树脂层。 此外,含有锂离子的电解液浸渍在电池体2和电解液保持架3中。(C)2008,JPO&INPIT
    • 4. 发明专利
    • Heating test method and heating test device of power storage device
    • 加热试验方法及加热装置的加热试验装置
    • JP2014096294A
    • 2014-05-22
    • JP2012247730
    • 2012-11-09
    • Mitsubishi Electric Corp三菱電機株式会社
    • KASHIMA KENKICHIYAMAMOTO KAZUYUKIUMADONO SHINJIKICHISE MAKIKOYOSHIOKA SEIJI
    • H01M10/48H01G13/00
    • PROBLEM TO BE SOLVED: To provide a heating test method of a power storage device in which temperature difference is reduced in a container on the outside of a power storage device and the entire internal region, when heating the power storage device in order to perform thermal stability test of the power storage device.SOLUTION: A heating test method of a power storage device includes a step for heating the positive electrode terminal and the negative electrode terminal of a power storage device 3 housed in a container by a heating mechanism 2 so as to expose the positive electrode terminal and the negative electrode terminal connected with a collector section to the outside, a step for measuring the temperature of the power storage device thus heated by means of a temperature measurement element 5, and performing temperature measurement in a temperature measurement section 4 from a signal measured, and a step for controlling the amount of heat generated by the heating mechanism in a temperature control section 1 according to the temperature thus measured.
    • 要解决的问题:为了提供一种蓄电装置的加热试验方法,其中蓄电装置的外部的容器和整个内部区域的容器内的温差降低,当加热蓄电装置以进行热 电力储存装置的稳定性试验方法。电力储存装置的加热试验方法包括:通过加热机构2加热容纳在容器中的蓄电装置3的正极端子和负极端子的步骤, 将与集电体部连接的正极端子和负极端子露出到外部,通过温度测量元件5测量这样加热的蓄电装置的温度的步骤,并在温度测量中进行温度测量 从测量的信号的第4部分和用于控制由加热机构产生的热量的步骤 温度控制部分1根据如此测量的温度。
    • 6. 发明专利
    • Power storage device
    • 电源存储设备
    • JP2010287703A
    • 2010-12-24
    • JP2009139864
    • 2009-06-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • SHIRAGAMI AKIRATAKEMURA DAIGOAIHARA SHIGERUKICHISE MAKIKOYOSHIOKA SEIJIMATSUMOTO SHUICHIMITSUTA KENRO
    • H01M2/30H01G9/10H01G11/22H01G11/66H01G11/70H01M10/04
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To provide a power storage device that can suppress a decrease in energy efficiency, can improve reliability, and can be made compact. SOLUTION: The power storage device 1 includes a power storage device body 2, and an exterior film 3 which contains the power storage device body 2 in a state where the power storage device body 2 is dipped in an electrolyte. The power storage device body 2 has first and second electrode sheets 4 and 5, and a separator 6 held between the first and second electrode sheets 4 and 5. The first electrode sheet 4 has: a first current collecting foil 7; and a first electrode 8 provided to the first current collecting foil 7 while avoiding a first current collecting foil-exposed part 7a as a portion of the first current collecting foil 7. The second electrode sheet 5 has: a second current collecting foil 9; and a second electrode 10 provided to the second current collecting foil 9 while avoiding a second current collecting foil-exposed part 9a as a portion of the second current collecting foil 9. The first and second current collecting foil exposed parts 7a and 9a are exposed as terminals to the outside of the exterior film 3. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供能够抑制能量效率降低的蓄电装置,能够提高可靠性,并且可以做到紧凑。 解决方案:蓄电装置1包括蓄电装置主体2和在蓄电装置主体2浸入电解液的状态下容纳蓄电装置主体2的外部膜3。 蓄电装置本体2具有第一和第二电极片4,5,以及保持在第一和第二电极片4和5之间的隔板6.第一电极片4具有:第一集电箔7; 以及设置在第一集电箔7上的第一电极8,同时避免作为第一集电箔7的一部分的第一集电箔曝光部分7a。第二电极片5具有:第二集电箔9; 以及设置到第二集电箔9的第二电极10,同时避免作为第二集电箔9的一部分的第二集电箔暴露部分9a。第一和第二集电箔暴露部分7a和9a暴露为 终端到外部电影3的外部。版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Method of manufacturing lithium ion capacitor
    • 制造锂离子电容器的方法
    • JP2010278300A
    • 2010-12-09
    • JP2009130503
    • 2009-05-29
    • Mitsubishi Electric Corp三菱電機株式会社
    • KICHISE MAKIKOMITSUTA KENROTAKEMURA DAIGOAIHARA SHIGERU
    • H01G9/00H01G11/00H01G11/06H01G11/08H01G11/22H01G11/28H01G11/32H01G11/38H01G11/42H01G11/58H01G11/62H01G11/66H01G11/70H01G11/86
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a lithium ion capacitor capable of acquiring a low internal resistance and a flat and smooth electrode layer at low cost.
      SOLUTION: The manufacturing method includes a step of forming a positive electrode layer 3 containing a positive electrode active material capable of adsorbing/desorbing lithium ions or anions on at least one surface of a positive electrode collector base material 2 and forming a first electrode and a second electrode, respectively, a step of forming a negative electrode layer 6 containing a negative electrode active material capable of absorbing/releasing lithium ions on both surfaces of a negative electrode collector base material 5 and forming a through hole passing through the negative electrode collector base material from a negative electrode layer formed on one surface of the negative collector base material and reaching the negative electrode layer formed on the other surface to form a negative electrode, a step of forming a battery body by laminating a first separator, a source of supplying lithium ions, a negative electrode, and second separator in order on a surface of the positive electrode layer of the first positive electrode and laminating a second positive electrode facing the positive electrode layer on the second separator side, and a step of immersing the battery body in an electrolysis solution with lithium salt dissolved in a nonaqueous solvent.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种制造能够以低成本获得低内阻的锂离子电容器和平坦且平滑的电极层的方法。 解决方案:制造方法包括形成含有能够在正极集电体基材2的至少一个表面上吸附/解吸锂离子或阴离子的正极活性物质的正极层3的步骤,形成第一 电极和第二电极,分别形成负极层6的步骤,该负极层6含有能够在负极集电体基材5的两个表面上吸收/释放锂离子的负极活性物质,并形成穿过负极的通孔 电极集电体基材,形成在所述负极集电体基材的一个表面上并到达形成在另一个表面上的负极层以形成负极的负极层;通过层压第一隔板,形成电池体的步骤 在其表面上依次提供锂离子的源,负极和第二分离器 e所述第一正极的正极层,并且在第二隔板侧层叠与所述正极层相对的第二正极,以及将所述电池体浸渍在溶解于非水溶剂中的锂盐的电解液的工序。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Electrode manufacturing method, power storage device, and electrode
    • 电极制造方法,电力存储装置和电极
    • JP2012043884A
    • 2012-03-01
    • JP2010182258
    • 2010-08-17
    • Mitsubishi Electric Corp三菱電機株式会社
    • MITSUTA KENROAIHARA SHIGERUKICHISE MAKIKOYOSHIOKA SEIJI
    • H01M4/485H01G9/00H01G11/06H01G11/22H01G11/30H01G11/32H01G11/38H01G11/50H01G11/66H01G11/86H01M4/1393H01M4/1397H01M4/62H01M10/058
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To manufacture an electrode having an electrode layer which is hardly peeled off.SOLUTION: After forming a first electrode layer 3 on one surface of current collector foil 1, a through-hole 2 penetrating through the current collector foil 1 and the first electrode layer 3 is formed from the current collector foil 1 side. Electrode paste, which is to be a second electrode layer 4, is then applied to the other surface of the current collector foil 1, and the through-hole 2 is filled with the electrode paste. Further, the electrode paste is protruded from the through-hole 2 to the first electrode layer 3 side. After drying the electrode paste, press work is performed on the current collector foil 1, the first electrode layer 3, and the second electrode layer 4 so as to press a second electrode layer bolt part 5 made of the electrode paste in the through-hole 2. At the same time, a second electrode layer nut part 7 made of the electrode paste protruding to the first electrode layer 3 side is buried in the first electrode layer 3 while having a width greater than that of the bolt part 5 to thereby prevent the second electrode layer from coming off.
    • 要解决的问题:制造具有难以剥离的电极层的电极。 解决方案:在集电箔1的一个表面上形成第一电极层3之后,从集电箔1形成贯穿集电箔1和第一电极层3的通孔2。 然后将作为第二电极层4的电极浆料施加到集电箔1的另一个表面,并且通孔2填充有电极浆料。 此外,电极浆料从通孔2突出到第一电极层3侧。 在电极浆料干燥之后,对集电箔1,第一电极层3和第二电极层4进行压制加工,以将由电极浆料制成的第二电极层螺栓部5压入通孔 同时,将突出于第一电极层3侧的电极浆料制成的第二电极层螺母部7埋入第一电极层3中,同时具有大于螺栓部5的宽度的宽度,从而防止 第二电极层脱落。 版权所有(C)2012,JPO&INPIT