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    • 85. 发明授权
    • Metal and metal oxide catalyzed electrodes for electrochemical cells,
and methods of making same
    • 用于电化学电池的金属和金属氧化物催化电极及其制备方法
    • US5069988A
    • 1991-12-03
    • US540932
    • 1990-06-15
    • Klaus TomantschgerKarl KordeschRobert D. Findlay
    • Klaus TomantschgerKarl KordeschRobert D. Findlay
    • H01M4/86H01M4/88H01M4/90H01M4/92H01M4/96
    • H01M4/90H01M4/86H01M4/96
    • Porous electrodes for use in fuel cells and other electrochemical cells are disclosed. Principally, the electrodes a catalytically active layer on a porous conductive substrate, which catalytically active layer is derived from non-noble metals. The loading of the catalytically active layer is lower in terms of weight of catalyst per unit area of geometrical electrode surface than heretofore. Several alternative methods of forming the electrode are taught, including impregnating a porous conductive substrate with a metal salt solution, followed by chemical or thermal formation of the porous catalytically active layer; or mixing the catalytically active material with the material of the porous conductive substrate, followed by fabrication of the electrode; or depositing pyrolitic carbon from the gas phase onto a porous conductive substrate, at elevated temperatures in a gas atmosphere. The electrode may also have a porous metallic current collector, and also a further gas diffusion layer. If used as a fuel cell anode, a further small amount of noble metal is included in the porous catalytically active layer. Porous electrodes of this invention have particular utility in alkaline primary or secondary cells as auxiliary gas recombining electrodes, especially as oxygen consuming auxiliary transfer electrodes.
    • 公开了用于燃料电池和其它电化学电池的多孔电极。 主要地,电极是多孔导电基底上的催化活性层,催化活性层衍生自非贵金属。 催化活性层的负载量相对于几何电极表面的每单位面积的催化剂的重量来说比以前更低。 教导了形成电极的几种替代方法,包括用金属盐溶液浸渍多孔导电衬底,然后化学或热形成多孔催化活性层; 或将催化活性材料与多孔导电衬底的材料混合,随后制造电极; 或在气体气氛中升高的温度下将来自气相的热解碳沉积到多孔导电基底上。 电极也可以具有多孔金属集流体,还可以具有另外的气体扩散层。 如果用作燃料电池阳极,则在多孔催化活性层中还包含另外少量的贵金属。 本发明的多孔电极在碱性一次电池或二次电池中具有特别的用途,作为辅助气体复合电极,特别是作为耗氧辅助转移电极。
    • 87. 发明授权
    • Composite current collector for aqueous electrochemical cell
    • 用于电化学电池的复合集电器
    • US08389150B2
    • 2013-03-05
    • US13451586
    • 2012-04-20
    • Klaus Tomantschger
    • Klaus Tomantschger
    • H01M2/16
    • H01M4/667H01M4/14H01M4/244H01M4/661H01M4/662H01M4/72H01M4/74H01M4/742H01M4/765H01M4/78H01M4/808H01M6/06H01M10/06H01M10/24H01M2200/103
    • 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.
    • 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。
    • 88. 发明授权
    • Composite current collector for electrochemical cell
    • 电化学电池用复合集电器
    • US08182938B2
    • 2012-05-22
    • US13099390
    • 2011-05-03
    • Klaus Tomantschger
    • Klaus Tomantschger
    • H01M2/16
    • H01M4/667H01M4/14H01M4/244H01M4/661H01M4/662H01M4/72H01M4/74H01M4/742H01M4/765H01M4/78H01M4/808H01M6/06H01M10/06H01M10/24H01M2200/103
    • 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-free and lead-free alkaline zinc electrodes.
    • 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无汞和无铅碱性锌电极的密封初级或可充电电池。
    • 89. 发明授权
    • Composite current collector
    • 复合集电器
    • US07976976B2
    • 2011-07-12
    • US12024139
    • 2008-02-01
    • Klaus Tomantschger
    • Klaus Tomantschger
    • H01M2/16
    • H01M4/667H01M4/14H01M4/244H01M4/661H01M4/662H01M4/72H01M4/74H01M4/742H01M4/765H01M4/78H01M4/808H01M6/06H01M10/06H01M10/24H01M2200/103
    • 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.
    • 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。