1. US Department of Energy, Hydrogen From Coal Program, . 2010.
2. D.L. McKinley, Metal Alloy for Hydrogen Separation and Purification, US Patent 3,350,845, 1967.
3. Sulfur poisoning of metal membranes for hydrogen separation;Gabitto;Int. Rev. Chem. Eng.,2009
4. Pd and Pd–Cu membranes: inhibition of H2 permeation by H2S;Kulprathipanja;J. Membr. Sci.,2005
5. The hydrogen permeability of Pd4S;O’Brien;J. Membr. Sci.,2011