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    • 61. 发明授权
    • Lithium thin film lamination technology on electrode to increase battery capacity
    • 锂电薄膜层压技术在电极上增加电池容量
    • US06761744B1
    • 2004-07-13
    • US10031022
    • 2002-01-14
    • Hisashi TsukamotoChananit Sintuu
    • Hisashi TsukamotoChananit Sintuu
    • H01M1038
    • H01M4/13H01M4/0435Y10T29/49112Y10T29/49115
    • Lithium is laminated onto or into an electrode structure comprising a metal conducting layer with an active material mixture of, for example, a nano-composite of silicon monoxide, together with graphite and a binder, such as polyvinyl di-fluoride (PVDF). The lamination of lithium metal onto or into the electrode structure will reduce the amount of irreversible capacity by readily supplying a sufficient amount of lithium ions to form the initial solid electrolyte interface. In order to laminate lithium metal onto or into the negative electrode, the lithium is first deposited onto a carrier, which is then used to laminate the lithium metal onto or into the electrode structure. The next step is placing the coated electrode material and the lithium-deposited plastic between two rollers or two plates. Plates are heated to about 120° C. or within the range of 25° C. to 250° C. A pressure of 50 kg/cm2 to 600 kg/cm2 is applied to the rollers. The speed of movement of the materials through the roller pair or the plate pair is in the range of 10 cm/min. The method can be used for either single-sided or double-sided coating. Using this technology alone, the battery capacity can increase by 7% to 15%.
    • 将锂层压到包含金属导电层的电极结构上,该电极结构具有例如一氧化硅的纳米复合物与石墨和粘合剂如聚二氟乙烯(PVDF)的活性材料混合物。 将锂金属层压到电极结构上或电极结构中将通过容易地供应足够量的锂离子以形成初始固体电解质界面来减少不可逆容量的量。 为了将锂金属层压到负电极上或将锂金属层压到负电极上,首先将锂沉积到载体上,然后将其用于将锂金属层压到电极结构上或其中。 下一步是将涂覆的电极材料和锂沉积的塑料放置在两个辊或两个板之间。 将板加热至约120℃或在25℃至250℃的范围内。对辊施加50kg / cm 2至600kg / cm 2的压力。 材料通过辊对或板对的移动速度在10厘米/分钟的范围内。 该方法可用于单面或双面涂层。 仅使用这种技术,电池容量可以增加7%至15%。
    • 62. 发明授权
    • Battery tab attachment method
    • 电池片附件方法
    • US06458171B1
    • 2002-10-01
    • US09421472
    • 1999-10-19
    • Hisashi Tsukamoto
    • Hisashi Tsukamoto
    • H01M600
    • H01M4/667H01M2/26H01M4/661H01M4/668H01M6/40Y10T29/49108Y10T29/49114
    • The difficulties encountered with attaching tabs to very thin metal layer. e. g., a layer of gold from 0.3 &mgr;m to 50 &mgr;m thick are severe. Typically, in the uses envisioned for the thin metal layer, which is for a compact battery, a plastic sheet such as polyimide underlies the thin metal layer. Polyimide has a relatively low melting point. The thin polyimide substrate melts when resistance welding is used. Ultrasonic welding doesn't work because the sound wave energy is absorbed by the polyimide. This invention solves the attachment problem by using wire bonding to the thin metal sheet and to its tab. The tab attachment for a thin metal layer comprises a thin metal layer, a metal tab, and a wire and the wire is bonded to the thin metal layer and the wire is bonded to the metal tab. The thin metal layer may be gold; the thickness of the gold is between 0.3 &mgr;m and 50.0 &mgr;m.
    • 将突片连接到非常薄的金属层时遇到的困难。 e。 例如,从0.3μm到50μm厚的金层是严重的。 通常,在用于紧凑型电池的薄金属层所使用的用途中,诸如聚酰亚胺的塑料片位于薄金属层的下方。 聚酰亚胺具有较低的熔点。 当使用电阻焊时,薄的聚酰亚胺基板熔化。 超声波焊接不起作用,因为声波能量被聚酰亚胺吸收。 本发明通过使用引线键合到薄金属片和其突片来解决附件问题。 用于薄金属层的突片附件包括薄金属层,金属片和线,并且线被接合到薄金属层,并且线被接合到金属片。 薄金属层可以是金; 金的厚度在0.3μm到50.0μm之间。
    • 63. 发明授权
    • Wound battery and method for making it
    • 绕线电池及其制作方法
    • US06280873B1
    • 2001-08-28
    • US09289071
    • 1999-04-08
    • Hisashi Tsukamoto
    • Hisashi Tsukamoto
    • H01M1016
    • H01M10/0525H01M2/1653H01M4/02H01M4/667H01M4/668H01M10/0431
    • A lithium battery made with a bipolar polyimide membrane with metal layers on each side, including one embodiment where the polyimide has a gold layer on each side. Different formulations for the positive electrode active material are used. The positive electrode active materials are essentially three substances: first, a lithium compound selected from the group consisting of LiCoO2, LiNiO2, and LiMn2O4; second, a powder selected from the group consisting of AB (acetylene black powder) and graphite; and third, PVDF (polyvinyldifluoride). The negative electrode active material consists essentially of two substances: the first is graphite powder; the second is PVDF (polyvinyldifluoride). The positive electrode metals include gold and aluminum. The negative electrode materials include gold, copper, nickel, titanium and iron. A separator layer of polyethylene is used so the battery layers can be wound. Because of the strength of the polyimide, the battery can be tightly wound. The energy density of the battery is about 300 Watt-hours per cubic centimeter.
    • 由双面聚酰亚胺膜制成的锂电池,其两侧均为金属层,其中包括一侧的聚酰亚胺具有金层的一个实施方式。 使用正极活性物质的不同配方。 正极活性物质基本上是三种物质:首先是选自LiCoO 2,LiNiO 2和LiMn 2 O 4的锂化合物; 第二,选自AB(乙炔黑粉末)和石墨的粉末; 和第三,PVDF(聚偏二氟乙烯)。 负极活性材料主要由两种物质组成:第一种是石墨粉末; 第二种是PVDF(聚偏二氟乙烯)。 正极金属包括金和铝。 负极材料包括金,铜,镍,钛和铁。 使用聚乙烯的分隔层,因此可以卷绕电池层。 由于聚酰亚胺的强度,电池可以紧密缠绕。 电池的能量密度约为300瓦时/立方厘米。
    • 64. 发明授权
    • Battery tab attachment method and apparatus
    • 电池片附件方法和装置
    • US6063523A
    • 2000-05-16
    • US293450
    • 1999-04-16
    • Hisashi Tsukamoto
    • Hisashi Tsukamoto
    • H01M2/26H01M4/66H01M6/40H01M4/02
    • H01M4/667H01M2/26H01M4/661H01M4/668H01M6/40Y10T29/49108Y10T29/49114
    • The difficulties encountered with attaching tabs to very thin metal layer, e. g., a layer of gold from 0.3 .mu.m to 50 .mu.m thick are severe. Typically, in the uses envisioned for the thin metal layer, which is for a compact battery, a plastic sheet such as polyimide underlies the thin metal layer. Polyimide has a relatively low melting point. The thin polyimide substrate melts when resistance welding is used. Ultrasonic welding doesn't work because the sound wave energy is absorbed by the polyimide. This invention solves the attachment problem by using wire bonding to the thin metal sheet and to its tab. The tab attachment for a thin metal layer comprises a thin metal layer, a metal tab, and a wire and the wire is bonded to the thin metal layer and the wire is bonded to the metal tab. The thin metal layer may be gold; the thickness of the gold is between 0.3 .mu.m and 50.0 .mu.m.
    • 将突片附接到非常薄的金属层所遇到的困难, 例如,一层0.3〜50μm厚的金子是严重的。 通常,在用于紧凑型电池的薄金属层所使用的用途中,诸如聚酰亚胺的塑料片位于薄金属层的下方。 聚酰亚胺具有较低的熔点。 当使用电阻焊时,薄的聚酰亚胺基板熔化。 超声波焊接不起作用,因为声波能量被聚酰亚胺吸收。 本发明通过使用引线键合到薄金属片和其突片来解决附件问题。 用于薄金属层的突片附件包括薄金属层,金属片和线,并且线被接合到薄金属层,并且线被接合到金属片。 薄金属层可以是金; 金的厚度在0.3〜50.0μm之间。
    • 68. 发明授权
    • Pack assembly having interconnected battery packs configured to be individually disconnected from assembly
    • 具有互连的电池组的组件组件被构造成单独地从组装断开
    • US07843169B1
    • 2010-11-30
    • US11824816
    • 2007-07-03
    • Hisashi TsukamotoTiehua PiaoTaison Tan
    • Hisashi TsukamotoTiehua PiaoTaison Tan
    • H01M10/46
    • H01M2/34H01M10/42H01M10/425H01M10/46
    • A battery pack system is disclosed. The battery pack system includes a battery pack having batteries arranged in a plurality of parallel groups that are connected in series. Each parallel group includes a plurality of the batteries connected in parallel. The electronics are configured to drop the current at which the battery pack is operating from a first current level to a second current level one or more times. The second current level is lower than the first current level. The electronics can drop the current from the first current level to the second current level during the charge and/or discharge of the battery pack. In some instances, the electronics intermittently drop the current from the first current level to the second current level during the charge and/or discharge of the battery pack.
    • 公开了一种电池组系统。 电池组系统包括具有以串联连接的多个并联组的电池的电池组。 每个并联组包括并联连接的多个电池。 电子设备被配置为将电池组操作的电流从第一电流水平降低到第二电流水平一次或多次。 第二个当前水平低于第一个当前水平。 在电池组的充电和/或放电期间,电子器件可以将电流从第一电流电平降低到第二电流电平。 在一些情况下,在电池组的充电和/或放电期间,电子设备间歇性地将电流从第一电流水平降低到第二电流水平。
    • 70. 发明授权
    • System having electronics for dropping current of battery pack
    • 具有用于降低电池组电流的电子装置的系统
    • US07573234B1
    • 2009-08-11
    • US11603757
    • 2006-11-22
    • Hisashi TsukamotoTiehua PiaoTaison Tan
    • Hisashi TsukamotoTiehua PiaoTaison Tan
    • H01M10/46
    • H01M10/441B60L11/1855Y02T10/7005Y02T10/7055
    • A battery pack system is disclosed. The battery pack system includes a battery pack having batteries arranged in a plurality of parallel groups that are connected in series. Each parallel group includes a plurality of the batteries connected in parallel. The electronics are configured to drop the current at which the battery pack is operating from a first current level to a second current level one or more times. The second current level is lower than the first current level. The electronics can drop the current from the first current level to the second current level during the charge and/or discharge of the battery pack. In some instances, the electronics intermittently drop the current from the first current level to the second current level during the charge and/or discharge of the battery pack.
    • 公开了一种电池组系统。 电池组系统包括具有以串联连接的多个并联组的电池的电池组。 每个并联组包括并联连接的多个电池。 电子设备被配置为将电池组操作的电流从第一电流水平降低到第二电流水平一次或多次。 第二个当前水平低于第一个当前水平。 在电池组的充电和/或放电期间,电子器件可以将电流从第一电流电平降低到第二电流电平。 在一些情况下,在电池组的充电和/或放电期间,电子设备间歇地将电流从第一电流电平降低到第二电流电平。