利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

15 条记录 (耗时 0.01 秒)

    Dimensionally stable coated electrode for electrolytic process, comprising protective oxide interface on valve metal base, and process for its manufacture
    11.
    发明公开
    Dimensionally stable coated electrode for electrolytic process, comprising protective oxide interface on valve metal base, and process for its manufacture 失效
    用于与阀金属基底和制造该电极的方法的含氧化物中间保护层电解工艺尺寸稳定的涂覆的电极。

    公开(公告)号：EP0046449A1

    公开(公告)日：1982-02-24

    申请号：EP81810323.6

    申请日：1981-08-11

    申请人： ELTECH SYSTEMS CORPORATION

    发明人： Hinden, Jean Marcel ,  Beer, Henri Bernard

    IPC分类号： C25B11/10 ,  C25B11/16 ,  C25C7/02 ,  C25D17/10

    CPC分类号： C25C7/02 ,  C25B11/0484 ,  C25B11/16

    摘要： An electrode for use in an electrolytic process is provided with a mixed oxide interface between a titanium base and an outer coating. The mixed oxide is formed at said interface by means of titanium from the base and noble metal from a solution containing a predetermined amount of HC1 which attacks the titanium base surface. Slow drying provides a metal chloride mixture which is thermally converted to said mixed oxide of titanium and noble metal in a given ratio, whereby to protect the titanium base from oxidation.
    An outer coating of manganese dioxide or lead dioxide is electroplated on the mixed oxide layer so as to provide an inexpensive electrode with improved resistance to oxidation.
    This electrode can be used for various processes where a high resistance to oxidation is required, e.g. as a manganese dioxide anode in a metal electrowinning process or as a lead dioxide anode for electroflotation or organic oxidation reactions.

    Manufacture of electrode with lead base
    15.
    发明公开
    Manufacture of electrode with lead base 失效
    生产用铅基电极。

    公开(公告)号：EP0087185A1

    公开(公告)日：1983-08-31

    申请号：EP83200193.7

    申请日：1983-02-08

    申请人： ELTECH SYSTEMS CORPORATION

    发明人： Beer, Henri Bernard ,  Hinden, Jean Marcel ,  Honard, Mark R. ,  Bishara, Jeries I. ,  Walker, Joseph K., Jr.

    IPC分类号： C25C7/02 ,  C25B11/04

    CPC分类号： C25B11/04 ,  C25C7/02

    摘要： An electrode having a lead base and a catalyst is manufactured by (a) compressing titanium sponge particles so as to consolidate them to a coherent porous layer, (b) applying the catalyst to the titanium sponge particles, and (c) fixing the layer of consolidated sponge particles to the lead base. The catalyst is formed on the titanium sponge particles before or after their consolidation to a coherent layer. This layer may be produced and fixed to the base in a single compressing and fixing step combining (a) and (c). Oxygen is anodically evolved at a reduced, stable potential by means of this electrode, so that it can be usefully applied as an anode in processes for electrowinning metals from acid electrolytes.