KATODE TIL SALTOPLOESNING-ELEKTROLYSECELLER, PASTABLANDING TIL FREMSTILLING AF KATODEN SAMT FREMGANGSMAADE TIL FREMSTILLING AF KATODEN
- 申请公布号：
- DK152592(B)
- 申请号：
- DK19810000240
- 申请日期：
- 1981.01.20
- 申请公布日期：
- 1988.03.21
- 申请人：
- E.I. DU PONT DE NEMOURS AND COMPANY
- 发明人：
- CHRISTOPHER RODERICK STEWART NEEDES
- 分类号：
- C25B11/04;C25B11/06;H01M4/98
- 主分类号：
- C25B11/04
- 摘要：
- An improved electrode having a surface mixture of nickel and porous nickel produced by applying a paste mixture of NiAl2 and Ni3B together with a vehicle to a substrate. After burning off the vehicle and firing in air at a temperature of 450 DEG to 650 DEG C. and thereafter sintering at a temperature of 800 DEG to 900 DEG C. in nitrogen, the coating on the substrate contains Ni2Al3, NiAl2B and nickel together with a thin overlayer of B2O3. After removing the intermetallic aluminum, boron and boron oxide by dissolution with sodium hydroxide, the surface of the substrate contains Raney nickel supported on a structure of nickel. The resulting electrodes can be used as cathodes in water or brine electrolysis cells.
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