Equalization control circuit, power storage device with the equalization control circuit, equalization control time computation method and deterioration determination method
    111.
    发明专利
    Equalization control circuit, power storage device with the equalization control circuit, equalization control time computation method and deterioration determination method 审中-公开
    均衡控制电路,均衡控制电路的功率储存装置,均衡控制时间计算方法和检测方法

    公开(公告)号:JP2013226034A

    公开(公告)日:2013-10-31

    申请号:JP2013058041

    申请日:2013-03-21

    Inventor: OHASHI KAZUHIRO

    CPC classification number: Y02E60/13

    Abstract: PROBLEM TO BE SOLVED: To provide an equalization control circuit in which a frequency of performing equalization control can be reduced, without generating a voltage difference between cells after the equalization control, by performing the equalization control of a cell voltage while considering a difference of capacitance to cell voltages of power storage cells.SOLUTION: An equalization control circuit comprises a resistor for equalization control and a switch for equalization control which are connected in parallel to a plurality of power storage cells, respectively. The equalization control circuit further comprises a cell voltage detection circuit for detecting cell voltages of the plurality of power storage cells, respectively, an equalization cell selection circuit for controlling the equalization control switch, and an arithmetic processing unit for controlling the equalization cell selection circuit. The arithmetic processing unit computes an adjustment time based on the measured cell voltages of the plurality of power storage cells and data for adjustment time computation, stored in the arithmetic processing unit beforehand, indicating a relation between the cell voltages of the power storage cells and capacitance, and performs equalization control by turning on the equalization control switch connected in parallel to an adjustment object cell to perform the equalization control thereon, among the power storage cells, just for the adjustment time.

    Abstract translation: 要解决的问题:为了提供一种均衡控制电路,其中可以在均衡控制之前不产生电池之间的电压差来降低执行均衡控制的频率,同时考虑电容差的同时执行电池电压的均衡控制 电力储存单元的电池电压。解决方案:均衡控制电路包括用于均衡控制的电阻器和用于均衡控制的开关,其分别并联连接到多个蓄电单元。 均衡控制电路还包括用于分别检测多个蓄电单元的电池电压的电池电压检测电路,用于控制均衡控制开关的均衡单元选择电路,以及用于控制均衡单元选择电路的运算处理单元。 算术处理单元预先计算存储在算术处理单元中的多个蓄电单元的测量单元电压和调整时间计算用数据的调整时间,表示蓄电单元的单元电压与电容的关系 并且通过接通与调整对象单元并联连接的均衡控制开关来执行均衡控制,以便在功率存储单元之间进行均衡控制,仅用于调整时间。

    Lithium ion capacitor
    112.
    发明专利

    公开(公告)号:JP5308646B2

    公开(公告)日:2013-10-09

    申请号:JP2007223183

    申请日:2007-08-29

    CPC classification number: H01G4/015 H01G9/058 Y02T10/7022

    Abstract: PROBLEM TO BE SOLVED: To provide a lithium ion capacitor capable of doping a prescribed amount of lithium ions to a negative electrode and/or a positive electrode in advance without any inconveniences of short-circuiting, or the like. SOLUTION: The lithium ion capacitor comprises: the positive electrode 1 in a positive electrode collector 1a having a through hole; a negative electrode 2 on a negative electrode collector 2a having a through hole; an electrolyte in the aprotic organic solvent solution of lithium salt; a lithium ion supply source 4 for supplying lithium ions carried by the negative electrode 2 and/or the positive electrode 1 in advance; and a separator 3 provided between the lithium ion supply source 4, and the positive electrode 1 and the negative electrode 2. In the lithium ion capacitor, a positive electrode active substance is a substance capable of reversibly carrying lithium ions and/or anions, a negative electrode active substance is a substance capable of reversibly carrying lithium ions, the distance between the lithium ion supply source 4 and the adjacent positive electrode 1 and/or negative electrode 2 is set to 40-120 μm, and at least two separators are clamped. COPYRIGHT: (C)2009,JPO&INPIT

    Power storage device and sheet-like lead member
    113.
    发明专利
    Power storage device and sheet-like lead member 审中-公开
    电源存储器件和类似引脚的器件

    公开(公告)号:JP2013093498A

    公开(公告)日:2013-05-16

    申请号:JP2011235776

    申请日:2011-10-27

    CPC classification number: Y02E60/13

    Abstract: PROBLEM TO BE SOLVED: To provide a power storage device and a sheet-like lead member in which high energy density, high output and low resistance can be obtained, and the sheet-like lead member for electrically connecting a collector and an electrode terminal can be suppressed from being ruptured and internal resistance can be suppressed from increasing in the case where vibration is applied for a long time.SOLUTION: In a power storage device, an electrode unit is configured by stacking electrode sheets via separators. Each electrode sheet is configured by forming an electrode layer on a collector in which a plurality of through holes having an average pore diameter of 300 μm or less are formed. The electrode unit and an electrolyte are contained in an exterior container, and the collectors of the electrode sheets are electrically connected with an electrode terminal which is positioned inside of the exterior container at one end and protrudes outside the exterior container at the other end, via a metallic sheet-like lead member. The sheet-like lead member can be deformed in a length direction of the sheet-like lead member and includes a buffering function with respect to an external force.

    Abstract translation: 解决的问题:提供能够获得高能量密度,高输出和低电阻的蓄电装置和片状引线部件,以及用于将集电体和 可以抑制电极端子破裂,并且在长时间施加振动的情况下可以抑制内阻增加。 解决方案:在蓄电装置中,通过分离器堆叠电极片来构成电极单元。 每个电极片通过在其上形成平均孔径为300μm以下的多个通孔的集电体上形成电极层而构成。 电极单元和电解质包含在外部容器中,电极片的集电体与位于外部容器内部的电极端子电连接,并且在另一端通过外部容器的外部经由 金属片状引线部件。 片状引线部件可以在片状引线部件的长度方向上变形,并且包括相对于外力的缓冲功能。 版权所有(C)2013,JPO&INPIT

    Power storage module
    114.
    发明专利
    Power storage module 有权
    电源存储模块

    公开(公告)号:JP2012230963A

    公开(公告)日:2012-11-22

    申请号:JP2011097079

    申请日:2011-04-25

    Abstract: PROBLEM TO BE SOLVED: To provide a power storage module capable of easily connecting an electrode terminal of a power storage cell to a detector, and having high reliability.SOLUTION: The power storage module 100 formed by laminating a plurality of power storage cells 10 having electrode terminals 16, comprises a bus bar 40 electrically connecting a plurality of electrode terminals 16, a conductive member 50 fixed to the bus bar 40, a detector detecting voltages of a plurality of power storage cells 10, a wiring part electrically connected to the detector, and a wiring board 60 having a pad part connected to the wiring part, and the conductive part 50 contacts with the pad part.

    Abstract translation: 要解决的问题:提供一种能够容易地将蓄电单元的电极端子连接到检测器并且具有高可靠性的蓄电模块。 解决方案:通过层叠具有电极端子16的多个蓄电单元10形成的蓄电模块100包括电连接多个电极端子16的汇流条40,固定到母线40的导电构件50, 检测器,检测多个蓄电单元10的电压,与检测器电连接的布线部分,以及具有连接到布线部分的焊盘部分的布线板60,并且导电部分50与焊盘部分接触。 版权所有(C)2013,JPO&INPIT

    Electrode, manufacturing method thereof, and power storage device
    116.
    发明专利
    Electrode, manufacturing method thereof, and power storage device 审中-公开
    电极,其制造方法和电力存储装置

    公开(公告)号:JP2012079821A

    公开(公告)日:2012-04-19

    申请号:JP2010221830

    申请日:2010-09-30

    CPC classification number: Y02P70/54

    Abstract: PROBLEM TO BE SOLVED: To provide an electrode capable of obtaining high adhesion between a current collector and an electrode layer; a manufacturing method of the electrode; and a power storage device having high reliability and low internal resistance.SOLUTION: The electrode 10 includes the current collector 11 having through-holes 12 and the electrode layer 15 containing an active material which is formed on at least one surface of this current collector. In the current collector, the internal surfaces of the through-holes have an average roughness of 0.1 to 30 μm measured in accordance with JIS B 0601 and also have the roughness where the number of irregularities having a height of 0.1 μm or higher from the mean line is 10 to 200 per 100 μm of the measured length, respectively, and the average particle diameter D50 of the active material is 0.15 to 9.95 μm.

    Abstract translation: 要解决的问题:提供一种能够在集电体和电极层之间获得高粘附性的电极; 电极的制造方法; 以及具有高可靠性和低内阻的蓄电装置。 解决方案:电极10包括具有通孔12的集电器11和包含形成在该集电体的至少一个表面上的活性材料的电极层15。 在集电体中,通孔的内表面的平均粗糙度为JIS-C0601测定的0.1〜30μm,平均粗糙度为平均值为0.1μm以上的凹凸数 线的长度分别为每100微米10〜200,活性物质的平均粒径D50为0.15〜9.95μm。 版权所有(C)2012,JPO&INPIT

    Power storage device
    118.
    发明专利
    Power storage device 有权
    电源存储设备

    公开(公告)号:JP2011138663A

    公开(公告)日:2011-07-14

    申请号:JP2009297155

    申请日:2009-12-28

    CPC classification number: Y02E60/13

    Abstract: PROBLEM TO BE SOLVED: To provide a wound type power storage device capable of doping lithium ions to the electrode layers of electrode sheets as a whole, in a short period, and accordingly, of obtaining high productivity. SOLUTION: In this wound-type power storage device which has an electrode wound unit wound via a separator between respective electrode sheets of a positive electrode and a negative electrode, wherein an electrode layer is formed on a current collector and has an electrolyte solution containing lithium salt, and in which to at least one electrode layer of respective electrode sheets, lithium ions are doped that are discharged from a film-shaped interior side lithium ion supply source arranged at a side farther interior than at least one innermost peripheral wound portion of respective electrode sheets and a film shaped exterior side lithium ion supply source arranged at a side farther exterior than at least one outermost peripheral wound portion of respective electrode sheets, the ratio V1/V2 between volume V1 of the interior side lithium ion supply source and volume V2 of the exterior side lithium ion supply source is in the range of 0.5-2. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 解决的问题:提供一种能够在短时间内将锂离子整体掺杂到电极板的电极层的卷绕型蓄电装置,从而获得高生产率。 解决方案:在具有通过隔板在正极和负极的各个电极片之间缠绕的电极卷绕单元的卷绕式蓄电装置中,其中电极层形成在集电器上并具有电解质 包含锂盐的溶液,并且其中对于各个电极片的至少一个电极层掺杂锂离子,所述锂离子从设置在比至少一个最内周边伤口更远的一侧的膜状内侧锂离子供给源排出 各个电极片的一部分和设置在比各个电极片的至少一个最外周卷绕部分更远的外侧的膜形外侧锂离子供给源,内侧锂离子供给源的体积V1之间的比率V1 / V2 并且外侧锂离子供应源的体积V2在0.5-2的范围内。 版权所有(C)2011,JPO&INPIT

    Electrode for electric storage device, and method of manufacturing the same, electric storage device element, and lithium ion capacitor
    119.
    发明专利
    Electrode for electric storage device, and method of manufacturing the same, electric storage device element, and lithium ion capacitor 审中-公开
    蓄电装置用电极及其制造方法,蓄电装置元件和锂离子电容器

    公开(公告)号:JP2010238876A

    公开(公告)日:2010-10-21

    申请号:JP2009084617

    申请日:2009-03-31

    Abstract: PROBLEM TO BE SOLVED: To provide an electrode for an electric storage device which can achieve a large capacitance and high reliability even when a plurality of through holes are formed through a collector, and active material layers are formed on both surfaces of the collector, to provide a method of manufacturing the same, and to provide an electric storage device element and a lithium ion capacitor which exhibit excellent performance and high productivity. SOLUTION: The electrode for the electric storage device includes a porous collector, a first active material layer formed on one surface of the porous collector, and a second active material layer formed on the other surface of the porous collector. An inner circumferential surface of at least one through hole of the plurality of through holes of the porous collector is covered with the second active material layer. The first active material layer blocks at least one through hole of the plurality of through holes of the porous collector on one surface side of the porous collector, and includes a projection protruding in one surface side direction of the porous collector in a position corresponding to the through hole. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:即使当通过集电体形成多个通孔时,也可以提供一种能够实现大电容和高可靠性的蓄电装置用电极,并且在两面形成活性物质层 收集器,以提供其制造方法,并且提供表现出优异的性能和高生产率的蓄电装置元件和锂离子电容器。 解决方案:用于蓄电装置的电极包括多孔收集器,形成在多孔收集器的一个表面上的第一活性物质层和形成在多孔收集器的另一个表面上的第二活性物质层。 多孔收集器的多个通孔的至少一个通孔的内周面被第二活性物质层覆盖。 第一活性物质层在多孔收集体的一个表面侧阻挡多孔收集体的多个通孔的至少一个通孔,并且包括在多孔收集体的一个表面侧方向上突出的突起, 通孔。 版权所有(C)2011,JPO&INPIT

    Laminate-coating storage device
    120.
    发明专利
    Laminate-coating storage device 审中-公开
    层压涂料设备

    公开(公告)号:JP2010238861A

    公开(公告)日:2010-10-21

    申请号:JP2009084325

    申请日:2009-03-31

    CPC classification number: Y02E60/12

    Abstract: PROBLEM TO BE SOLVED: To provide a laminate-coating storage device, wherein a gas is reliably discharged from a specified section even if the gas is produced in a coating body of the laminate-coating storage device, and the laminate-coating storage device is obtained which has high reliability under normal use conditions.
    SOLUTION: The laminate-coating storage device has the coating body where mutually-laminated coating films are joined to each other at junction parts formed at outer peripheral edge in an airtight state, and a storage device element and an electrolyte are stored in a storage part in the coating body. At an outer peripheral edge of each coating film, a non-junction part is formed which has one side linked to the storage part and the other side surrounded with the junction part. In the region where the non-junction part is formed, a seal part formed by joining a portion of the coating films to each other and a hole part formed at the center position thereof and penetrating at least one coating film are formed, and the size of the one side of the non-junction part which is linked to the storage part is equal to that of one side of the storage part which is in contact with the non-junction part.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:为了提供一种层压涂层存储装置,其中即使在层叠涂层存储装置的涂覆体中产生气体,也可以从特定部分将气体可靠地排出,并且层压涂层 获得在正常使用条件下具有高可靠性的储存装置。 解决方案:层压涂层存储装置具有涂层体,其中相互层压的涂膜在气密状态的外周边缘处形成的接合部处彼此接合,并且存储装置元件和电解质储存在 涂层体中的储存部分。 在每个涂膜的外周边缘处,形成一个非接合部分,其中一侧连接到存储部分,另一侧被连接部分包围。 在形成非接合部的区域中,形成有通过将一部分涂膜相互连接而形成的密封部和形成在其中心位置的孔,并且穿透至少一层涂膜的尺寸 与存储部连接的非接合部的一侧与与非接合部接触的存储部的一侧相同。 版权所有(C)2011,JPO&INPIT

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