发明名称 Cathode for chlor-alkali cells
摘要 An improved cathode with a conductive metal core and a Raney-type catalytic surface predominantly derived from an adherent ternary aluminide intermetallic crystalline precursory outer portion of the metal core is disclosed. The precursory outer portion preferably has molybdenum and titanium added to give a precursor alloy having the formula NixMoyTizAl3 where x is within the range of from about 74 to about 94 weight percent, y is within the range of from about 5 to about 20 weight percent and z is within the range of from about 1 to about 5 weight percent of the Ni-Mo-Ti portion of the alloy. Also disclosed is a method of producing a low overvoltage cathode. The method includes the steps of taking a Ni-Mo-Ti core or substrate having about 5-20 weight percentage of Mo and about 1-5 weight percent Ti and coating it with aluminum then heat treating to form a Ni-Mo-Ti-Al ternary alloy with mostly NiAl3 (ordered orthorhombic) crystal structure and then leaching out the Al to produce a ternary NiMoTi alloy Raney surface.
申请公布号 US4357227(A) 申请公布日期 1982.11.02
申请号 US19810236479 申请日期 1981.02.20
申请人 OLIN CORPORATION 发明人 GRAY, THOMAS J.
分类号 C25B11/04;C25B11/06;H01M4/98;(IPC1-7):C25B11/02;B01J35/10 主分类号 C25B11/04
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