C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/154, 319/18,
C22C 1/04 (2006.01) B22F 1/00 (2006.01) C22C 1/03 (2006.01) C22C 30/00 (2006.01) H01M 4/38 (2006.01)
Patent
CA 2140337
Master alloys and process of producing them are disclosed. In one such process is a process for preparing a master alloy for use in hydrogen storage battery electrodes. This process includes the step of preparing a first mixture of at least one metal and at least one metal oxide, both in powdered form, and A1 in powdered or granular form, wherein the at least one metal and the metal of the at least one metal oxide are each independently one of the following metals, Ni, V, Cr, Co, or Fe. The at least one metal and at least one metal oxide are alloyed to produce an intermetallic compound in an aluminothermic reaction. The intermetallic compound is sized reduced into powdered form. A second mixture of the powdered intermetallic compound and at least one additional metal or alloy in powdered form is prepared, wherein the metal of the at least one additional metal or the metal of the alloy is one of the following metals, Ni, Ti, Mn, Zr, Cr, Co, V or Fe. The second mixture in powdered form is pressed to produce a compact. The compact is heat fused to produce a master alloy for use in hydrogen storage battery electrodes, the electrodes being produced from one of the following metals, Ni, V, Cr, Co, Fe, Ti, Mn, or Zr.
Borden Ladner Gervais Llp
Perfect Marjorie L.
Reading Alloys Inc.
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