Chemistry: electrical and wave energy – Processes and products
Patent
1980-09-23
1981-09-22
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
204 49, 204DIG13, C25D 104, C25D 312
Patent
active
042908582
ABSTRACT:
The present invention provides a novel process for forming a nickel foil having a controlled and predetermined hydrogen permeability. This process includes the steps of passing a nickel plating bath through a suitable cation exchange resin to provide a purified nickel plating bath free of copper and gold cations, immersing a nickel anode and a suitable cathode in the purified nickel plating bath containing a selected concentration of an organic sulfonic acid such as a napthalene-trisulfonic acid, electrodepositing a nickel layer having the thickness of a foil onto the cathode, and separating the nickel layer from the cathode to provide a nickel foil. The anode is a readily-corrodible nickel anode. The present invention also provides a novel nickel foil having a greater hydrogen permeability than palladium at room temperature.
REFERENCES:
patent: 2112818 (1938-03-01), Waite
patent: 2198267 (1940-04-01), Lind
patent: 2467580 (1949-04-01), Brown
patent: 2513280 (1950-07-01), Brown
patent: 3326782 (1967-06-01), Kendrick
patent: 3594288 (1971-07-01), Reinert
patent: 3677913 (1972-07-01), Passal
Plating, Nov. 1972, pp. 1033-1037.
Besha Richard G.
McMillan Armand
Sopp Albert
The United States of America as represented by the United States
Tufariello T. M.
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