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98 条记录 (耗时 0.025 秒)

    Recombination of evolved oxygen in galvanic cells using transfer anode material
    51.
    发明授权
    Recombination of evolved oxygen in galvanic cells using transfer anode material 失效
    使用转移阳极材料在原电池中重组析出的氧

    公开(公告)号：US5043234A

    公开(公告)日：1991-08-27

    申请号：US478638

    申请日：1990-02-12

    申请人： Klaus Tomantschger ,  Karl Kordesch ,  Erkut Oran

    发明人： Klaus Tomantschger ,  Karl Kordesch ,  Erkut Oran

    IPC分类号： H01M4/48 ,  H01M10/34 ,  H01M10/52

    CPC分类号： H01M10/34 ,  H01M10/52 ,  H01M4/48

    摘要： In rechargeable, electrochemical cells, oxygen may evolve on charge, overcharge or any reversal of polarity. The invention concerns an auxiliary, electrochemical, transfer electrode to catalyze the recombination of such oxygen with the anode mass. The auxiliary electrode may comprise a porous carbon bonded with PTFE, or it may comprise a zinc gel having graphite particles and/or metal-plated zinc particles--where the metal that plates the zinc particles may be copper, or may be any of cobalt, cadmium, nickel, or silver. The auxiliary electrode for rectangular electrodes as used in flat plate or jelly roll cells may have the catalytically active material PTFE bonded to the current collector. The cell is generally one having a zinc anode, a metal oxide cathode (usually manganese dioxide), and an aqueous alkaline electrolyte (usually potassium hydroxide) contacting both anode and cathode.

    摘要翻译： 在可再充电的电化学电池中，氧气可能会在电荷，过充电或任何极性反转中产生。 本发明涉及一种辅助的电化学转移电极，用于催化这种氧与阳极团的复合。 辅助电极可以包括与PTFE结合的多孔碳，或者其可以包括具有石墨颗粒和/或金属镀锌颗粒的锌凝胶，其中镀锌颗粒的金属可以是铜，或者可以是钴， 镉，镍或银。 用于平板或胶冻细胞中的矩形电极辅助电极可以具有结合到集电器上的催化活性材料PTFE。 电池通常是具有锌阳极，金属氧化物阴极（通常是二氧化锰）和与阳极和阴极接触的含水碱性电解质（通常是氢氧化钾）的电池。

    Rechargeable alkaline manganese cells with zinc anodes
    52.
    发明授权
    Rechargeable alkaline manganese cells with zinc anodes 失效
    锌阳极充电碱锰电池

    公开(公告)号：US4957827A

    公开(公告)日：1990-09-18

    申请号：US234926

    申请日：1988-08-22

    申请人： Karl Kordesch ,  Josef Gsellmann ,  Klaus Tomantschger

    发明人： Karl Kordesch ,  Josef Gsellmann ,  Klaus Tomantschger

    IPC分类号： H01M2/16 ,  H01M10/24 ,  H01M10/34

    CPC分类号： H01M10/34 ,  H01M10/24 ,  H01M2/1653 ,  H01M2/1606 ,  H01M2300/0014

    摘要： A rechargeable alkaline electrochemical cell has a manganese dioxide cathode and a zinc anode. The cathode is mixed with graphite or other conductive carbon and a binder, and is contained by a metallic screen which also serves as an oxygen evolution catalyst. The screen also serves to contain the cathode in place as it tends to expand under use. A diaphram is provided to separate the cathode and anode; an alkaline electrolyte contains the cathode and anode, and the other components of the cell.

    摘要翻译： 可充电碱性电化学电池具有二氧化锰阴极和锌阳极。 阴极与石墨或其他导电碳和粘合剂混合，并且由用作析氧催化剂的金属屏幕所包含。 该屏幕还用于将阴极容纳在适当位置，因为它在使用中趋于膨胀。 提供了一个隔膜来分离阴极和阳极; 碱性电解质包含阴极和阳极以及电池的其它组分。

    Catalytic recombination of corrosion evolved hydrogen in alkaline cells
    53.
    发明授权
    Catalytic recombination of corrosion evolved hydrogen in alkaline cells 失效
    在碱性细胞中腐蚀发生氢的催化重组

    公开(公告)号：US4925747A

    公开(公告)日：1990-05-15

    申请号：US375888

    申请日：1989-07-06

    申请人： Karl Kordesch ,  Klaus Tomantschger

    发明人： Karl Kordesch ,  Klaus Tomantschger

    IPC分类号： H01M4/02 ,  H01M4/48 ,  H01M6/04 ,  H01M10/34 ,  H01M10/52

    CPC分类号： H01M10/52 ,  H01M10/34 ,  H01M4/02 ,  H01M4/48 ,  H01M6/04

    摘要： In rechargeable or primary, electrochemical cells, hydrogen may evolve. The invention concerns the use of an auxiliary electrode material to catalyse the recombination of pressurized hydrogen, for example, the hydrogen being at pressures ranging from 5 to 15 psig up to pressure relief of the cell. The cell is a sealed cell having a metal oxide cathode, a zinc anode and aqueous, alkaline electrolyte contacting both anode and cathode. The auxiliary electrode material, which may be mixed with the cathode material or be formed into a discrete auxiliary electrode, comprises a porous substrate and a catlyst for the absorbtion of pressurized hydrogen by the electrolyte. The substrate may be carbon, graphite or metal. The catalyst may be carbon, catalytically active noble metals, salts and oxides of lead, nickel, titanium, lanthanum, chromium, tantalum and alloys thereof, and the metals or mixtures of carbon with the salts or oxides.

    摘要翻译： 在可再充电或初级的电化学电池中，氢可能发生。 本发明涉及使用辅助电极材料来催化加压氢的复合，例如氢气的压力范围为5至15psig，直到电池的压力释放。 电池是具有接触阳极和阴极的金属氧化物阴极，锌阳极和水性碱性电解质的密封电池。 可以与阴极材料混合或形成离散的辅助电极的辅助电极材料包括多孔基底和用于通过电解质吸收加压氢的催化剂。 基底可以是碳，石墨或金属。 催化剂可以是碳，催化活性的贵金属，铅，镍，钛，镧，铬，钽及其合金的盐和氧化物，以及碳与其盐或氧化物的金属或混合物。

    Composite current collector for an aqueous electrochemical cell comprising a non-metallic substrate
    55.
    发明授权
    Composite current collector for an aqueous electrochemical cell comprising a non-metallic substrate 有权
    用于包含非金属基底的电化学电池的复合集电器

    公开(公告)号：US08815444B1

    公开(公告)日：2014-08-26

    申请号：US13757741

    申请日：2013-02-02

    申请人： Klaus Tomantschger

    发明人： Klaus Tomantschger

    IPC分类号： H01M2/20 ,  H01M4/66

    CPC分类号： H01M4/667 ,  H01M4/14 ,  H01M4/244 ,  H01M4/661 ,  H01M4/662 ,  H01M4/72 ,  H01M4/74 ,  H01M4/742 ,  H01M4/765 ,  H01M4/78 ,  H01M4/808 ,  H01M6/06 ,  H01M10/06 ,  H01M10/24 ,  H01M2200/103

    摘要： Composite current collectors containing coatings of metals, alloys or compounds, selected from the group of Zn, Cd, Hg, Ga, In, Tl, Sn, Pb, As, Sb, Bi and Se on non-metallic, non-conductive or poorly-conductive substrates are disclosed. The composite current collectors can be used in electrochemical cells particularly sealed cells requiring a long storage life. Selected metals, metal alloys or metal compounds are applied to polymer or ceramic substrates by vacuum deposition techniques, extrusion, conductive paints (dispersed as particles in a suitable paint), electroless deposition, cementation; or after suitable metallization by galvanic means (electrodeposition or electrophoresis). Metal compound coatings are reduced to their respective metals by chemical or galvanic means. The current collectors described are particular suitable for use in sealed primary or rechargeable galvanic cells containing mercury-fee and lead-free alkaline zinc electrodes.

    摘要翻译： 包含金属，合金或化合物的复合集流体，其选自Zn，Cd，Hg，Ga，In，Tl，Sn，Pb，As，Sb，Bi和Se，非金属，不导电或不良 导电基底。 复合集电器可用于电化学电池，特别是需要长存储寿命的密封电池。 选择的金属，金属合金或金属化合物通过真空沉积技术，挤出，导电涂料（分散为合适涂料中的颗粒），无电沉积，胶结剂等应用于聚合物或陶瓷基材; 或通过电化学方法（电沉积或电泳）合适的金属化之后。 金属化合物涂层通过化学或电流方法还原成各自的金属。 所描述的集电器特别适用于含有汞和无铅碱性锌电极的密封初级或可充电电池。