METHOD OF MANUFACTURING A SPONGY NICKEL CATALYST AND SPONGY NICKEL CATALYST MADE THEREBY
A method includes of manufacturing a nickel alloy includes providing nickel alloy components in powdered form and in a selected ratio and melting the nickel alloy components using an electron beam, using selected parameters, to generate a spongy metal catalyst precursor alloy material.
1 . A method of making a nickel alloy comprising:
providing nickel alloy components in powdered form and in a selected ratio;
melting the nickel alloy components using an electron beam, using selected parameters, to generate a spongy metal catalyst precursor alloy material.
2 . A method according to claim 1 , wherein the selected parameters include one or more parameters selected from the group consisting of: beam current, acceleration voltage, beam frequency, focus point, spot velocity and beam pattern.
3 . A method as in claim 2 , wherein the parameters are varied to alter a characteristic of the nickel alloy material.
4 . A method as in claim 3 , wherein the frequency of the electron beam is selected to improve uniformity of the alloy.
5 . A method as in claim 3 , wherein the electron beam current is selected to improve uniformity of the alloy.
6 . A method as in claim 1 , wherein the alloy components comprise nickel and aluminum.
7 . A method as in claim 6 , wherein the alloy components further comprise iron and/or chromium as dopants.
8 . A method as in claim 1 , further comprising further melting using an electron beam to increase a homogeneity of the precursor alloy material.
9 . A method as in claim 8 , wherein the further melting uses different selected parameters from the selected parameters of the melting.
10 . A method of manufacturing a nickel catalyst comprising processing the precursor alloy material of claim 1 to produce a nickel catalyst.
11 . A method as in claim 10 , wherein the processing comprises activating the precursor alloy material by treating it in an alkaline solution to form a porous nickel structure.
12 . An anode made by the process of claim 1 .
13 . A fuel cell comprising an anode made by the process of claim 1 .
14 . A method of manufacturing an electrode comprising:
combining powdered alloy components in a crucible;
melting the combined powders using an electron beam to produce an alloy material;
milling the alloy material to produce an alloy powder;
processing the alloy powder with a basic solution to produce a pyrophoric nickel sponge;
performing surface passivation of the pyrophoric nickel sponge;
forming the nickel sponge into an electrode; and
reactivating the nickel sponge.
15 . A method of making an alloy comprising:
providing metallic alloy components in powdered form and in a selected ratio;
melting the metallic alloy components using an electron beam, using selected parameters, to generate a spongy metal catalyst precursor alloy material.
16 . A method as in claim 15 , wherein the alloy comprises one or more metals from the group consisting of: Ni, Al, Fe, Co, Ti, and Mo.
17 . A precursor alloy material manufactured by a method comprising:
combining powdered alloy components in a crucible;
melting the combined powders using an electron beam to produce an alloy material;
milling the alloy material to produce an alloy powder;