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    • 51. 发明专利
    • Anode material and secondary battery using it
    • 使用它的阳极材料和二次电池
    • JP2010272540A
    • 2010-12-02
    • JP2010176948
    • 2010-08-06
    • Nec CorpNec Energy Devices LtdNecエナジーデバイス株式会社日本電気株式会社
    • KAWASHIMA ASAKOMIYAJI MARIKOYAMAMOTO HIROCHIKAKAWAI HIDEMASAOTA SATOYUKI
    • H01M4/587H01M4/133H01M4/134H01M4/1393H01M4/1395H01M4/36H01M4/38H01M10/052H01M10/0566
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide an anode material with high capacity, high initial charge/discharge efficiency, and excellent cycle characteristics, as well as a secondary battery equipped with the anode material. SOLUTION: Of the anode material, a material used for an anode of a rechargeable nonaqueous electrolyte secondary battery equipped with a cathode for doping and dedoping lithium ions, nonaqueous electrolyte solution, and the anode, an anode active material consists of one or more kinds of Li-absorbing particles and one or more kinds of graphite particles of 40 wt.% or more. As to the graphite particles, a (002) face interval d (002) by the X-ray diffraction method is 0.3354 nm or more and 0.338 nm or less, and an area ratio of a G peak to a D peak by the Raman spectrometry is G/D≥9, and the Li-absorbing particles contain at least one out of composite particles of silicon and iron, silicon and titanium, or silicon and nickel. The anode material is used for the secondary battery. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有高容量,高初始充电/放电效率和优异的循环特性的负极材料以及配备有阳极材料的二次电池。 解决方案:在阳极材料中,用于具有用于掺杂和去掺杂锂离子的阴极的可再充电非水电解质二次电池的阳极的材料,非水电解质溶液和阳极,阳极活性材料由一个或多个 更多的Li吸收颗粒和一种或多种40重量%以上的石墨颗粒。 对于石墨颗粒,通过X射线衍射法的(002)面间隔d(002)为0.3354nm以上且0.338nm以下,通过拉曼光谱法测定G峰与D峰的面积比 是G /D≥9,并且锂吸收粒子含有硅和铁,硅和钛的复合颗粒中的至少一种,或硅和镍。 阳极材料用于二次电池。 版权所有(C)2011,JPO&INPIT
    • 53. 发明专利
    • Battery pack
    • 电池组
    • JP2010219009A
    • 2010-09-30
    • JP2009067640
    • 2009-03-19
    • Nec Energy Devices LtdNecエナジーデバイス株式会社
    • HOSAKA YOSHIYUKI
    • H01M10/48
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To eliminate a problem where, in a battery pack, current is continuously consumed and an over-discharge state advances even after over-discharge is detected, and if a non-use state continues for a long period, it adversely affects the performance of the battery pack.
      SOLUTION: The battery pack is constructed of a main battery 1 which mainly carries out charge and discharge, a sub-battery 10 for reserve use, a protection and control circuit 2 which controls charge and discharge, and a display device 30. When the battery pack becomes an over-discharge state, power necessary for function maintenance is supplied from a sub-battery 10, thus, consumption current of the main battery block can be minimized. Furthermore, the display device 30 shows that it is in an over-discharge state and can urge charging. An over-discharge state is not advanced thereby, and the over-discharge condition which adversely affects the battery performance is prevented.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题为了消除在电池组中电流被连续消耗并且即使在过放电后检测到过放电状态也进行的情况,并且如果不使用状态持续长时间的问题 ,它对电池组的性能产生不利影响。 解决方案:电池组由主要进行充放电的主电池1,备用的副电池10,控制充放电的保护和控制电路2以及显示装置30构成。 当电池组变成过放电状态时,从副电池10供给功能维护所需的电力,能够使主电池块的消耗电流最小化。 此外,显示装置30示出其处于过放电状态并且可以促使充电。 因此,不能提高过放电状态,防止对电池性能产生不利影响的过放电状态。 版权所有(C)2010,JPO&INPIT
    • 54. 发明专利
    • 注液装置及び方法
    • 液体注射装置和方法
    • JP2014225373A
    • 2014-12-04
    • JP2013103958
    • 2013-05-16
    • Necエナジーデバイス株式会社Nec Energy Devices Ltd
    • FUKATSU MASAYOSHI
    • H01M2/36H01M10/04
    • 【課題】生産性や製品の性能に影響を及ぼさずに、二次電池の電池容器内の電解液の浸透性及び含浸状態を後の検査工程で可視化することができる電解液の注液装置及び方法を提供する。【解決手段】電解液の注液装置1は、密封された密封容器(チャンバ11)と、密封容器の内部に配置されており電池容器(電池セル12)を保持する固定台21と、を含む。さらに注液装置1は、電解液を電池容器へと注液するための電解液供給手段と、密封容器の内部を高真空状態にするための真空ポンプ15と、密封容器の内部に希ガスを供給するための希ガス導入手段と、を含む。【選択図】図1
    • 要解决的问题:提供一种电解液注入装置和方法,其可以在随后的检查过程中显示二次电池的电池容器中的电解质的渗透性和浸渍状态,而不影响二次电池的生产率或性能 产品。解决方案:电解液注入装置1包括密封容器(室11)和布置在密封容器中并固定电池容器(电池单元12)的固定底座21。 此外,电解液注入装置1包括用于将电解质注入电池容器的电解质供给装置,用于使密封容器的内部成为高真空状态的真空泵15,以及用于向密封容器供给稀有气体的稀有气体引入装置 。
    • 58. 发明专利
    • Method of manufacturing battery
    • 制造电池的方法
    • JP2014060016A
    • 2014-04-03
    • JP2012203827
    • 2012-09-18
    • Nec Energy Devices LtdNecエナジーデバイス株式会社
    • DAIDOJI TAKAO
    • H01M10/04H01M2/02H01M2/18H01M2/36
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a battery which allows for enhancement of production efficiency, because electrolyte does not overflow from the aperture of a film armor material.SOLUTION: A method of manufacturing a battery includes a housing step for housing an electrode laminate 60, laminating a plurality of sheet-like positive electrodes and a plurality of sheet-like negative electrodes via a separator therebetween, in a film armor material 90 having an aperture 93, an opening step for widening the opening space (S) of the aperture by applying a stress to the film armor material 90, a liquid injection step for injecting electrolyte from the aperture 93 in a state where the opening space (S) of the aperture 93 is widened by the opening step, and an impregnation step for performing vacuum impregnation in a state where the opening space (S) of the aperture 93 is widened by the opening step, following to the liquid injection step.
    • 要解决的问题:提供一种制造电池的方法,其允许提高生产效率,因为电解质不会从膜装甲材料的孔径溢出。解决方案:一种制造电池的方法包括:壳体步骤,用于容纳 电极层叠体60,在具有孔93的薄膜装饰材料90中,通过隔板间隔层叠多个片状正极和多个片状负极,开放步骤用于使开口空间(S)变宽 通过对薄膜装甲材料90施加应力的孔径,在孔93的开口空间(S)通过开口步骤加宽的状态下从孔93注入电解液的液体注入步骤,以及用于 在液体喷射步骤之后,在孔93的开口空间(S)通过打开步骤加宽的状态下进行真空浸渍。
    • 59. 发明专利
    • Battery module
    • 电池模块
    • JP2013243061A
    • 2013-12-05
    • JP2012116048
    • 2012-05-21
    • Nec Energy Devices LtdNecエナジーデバイス株式会社
    • SUZUKI TORU
    • H01M2/10H01M2/30
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To provide a battery module having excellent vibration resistance/impact resistance.SOLUTION: A battery module (100) includes: a flat plate-like unit cell housing body (800) having a front surface and a rear surface as two main surfaces; unit cells (100) each having lead-out tabs led out from a laminate film exterior material housing an electrode laminate; cover bodies (910, 920) which hold the unit cells (100) with the unit cell housing body (800); and movement regulating members (170) disposed in spaces between the lead-out tabs and the laminate film exterior material.
    • 要解决的问题:提供具有优异的抗振动/抗冲击性的电池模块。解决方案:电池模块(100)包括:平板状单元壳体(800),其具有前表面和后表面两个 主表面 单元电池(100)各自具有从容纳电极层压体的层压膜外部材料引出的引出片; 盖体(910,920),其将单元电池(100)与单元电池壳体(800)保持在一起; 以及设置在引出片和层压膜外部材料之间的空间中的移动调节构件(170)。
    • 60. 发明专利
    • Nonaqueous electrolyte secondary battery
    • 非电解电解质二次电池
    • JP2013051216A
    • 2013-03-14
    • JP2012269354
    • 2012-12-10
    • Nec Energy Devices LtdNecエナジーデバイス株式会社
    • TAKAHASHI YUKINORIUTSUKI KOJISAKAUCHI YUTAKANUMATA TATSUJIKASAHARA RYUICHI
    • H01M10/052H01M4/36H01M4/38H01M4/48H01M10/0567H01M10/0569
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery with high energy density, excellent cycle characteristics even at high temperature, and high charge/discharge efficiency at initial charge and discharge, with the use of silicon and silicon oxide.SOLUTION: Particles constituting an anode active material consist of active material particles with a mixture of element silicon and silicon oxide as a nucleus and with a mixture composition carbon of an amorphous based carbon and graphite based carbon coated around it, and a mixture of thermosetting resin generating dehydration condensation reaction by heating. The active material particles themselves as well as the active material particles and current-collecting foils are bonded through the thermosetting resin. The nonaqueous electrolyte secondary battery includes: an anode containing the above particles; a cathode capable of storing and releasing lithium ion; and electrolyte arranged between the cathode and the anode, in which the electrolyte contains a solvent and sulfonate as components.
    • 要解决的问题:使用硅和氧化硅,提供即使在高温下也具有高能量密度,优异的循环特性以及初始充放电时的高充放电效率的非水电解质二次电池。 解决方案:构成负极活性材料的颗粒由作为核的元素硅和氧化硅的混合物的活性材料颗粒和涂覆在其周围的非晶基碳和石墨基碳的混合物组成的碳组成,以及混合物 的热固性树脂通过加热产生脱水缩合反应。 活性物质粒子本身以及活性物质粒子和集电箔通过热固性树脂结合。 非水电解质二次电池包括:含有上述颗粒的阳极; 能够储存和释放锂离子的阴极; 并且电解质布置在阴极和阳极之间,其中电解质含有溶剂和磺酸盐作为组分。 版权所有(C)2013,JPO&INPIT