C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
117/110, 204/192
C08K 3/08 (2006.01) C25B 11/03 (2006.01) C25B 11/04 (2006.01) H01M 4/98 (2006.01)
Patent
CA 1177014
Title Porous Nickel coated Electrodes Abstract of the Disclosure An improved electrode having a surface mixture of nickel and porous nickel produced by applying a paste mixture of NIAL3 and Ni3B together with vehicle to a substrate. After burning off the vehicle and firing in air at a temperature of 450 to 650°C and there after sintering at a temperature of 800 to 900°C in nitrogen, the coating on the substrate contains Ni2Al3, NiAl2B and nickel together with a thin overlayer of B23O3, 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 a cathodes in water or brine electrolysis cells.
369097
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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