Rhodium electrocatalyst and method of preparation
AssigneeDe Nora Elettrodi S.p.A.
InventorsYu-Min Tsou, Hua Deng, Gian Nicola Martelli, Robert J. Allen, Emory S. De Castro
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Abstract
A rhodium sulfide electrocatalyst formed by heating an aqueous solution of rhodium salt until a steady state distribution of isomers is obtained and then sparging hydrogen sulfide into the solution to form the rhodium sulfide and a membrane electrode assembly with the said electrode and a process for electrolyzing hydrochloric acid.
Claims13
A rhodium sulfide electrocatalyst formed by heating an aqueous solution of a rhodium salt until a steady state distribution of isomers is obtained and then sparging hydrogen sulfide into the solution to form rhodium sulfide.
An electrocatalyst formed by heating an aqueous solution of a rhodium salt until a steady state distribution of isomers is obtained, and then sparging hydrogen sulfide into the solution, deposited upon highly dispersed carbon black.
A process for forming an electrocatalyst comprising forming a solution of a soluble rhodium salt, heating the solution to obtain a steady state distribution of rhodium isomers, sparging hydrogen sulfide through the resulting solution to precipitate rhodium sulfide and recovering the same.
An electrocatalyst formed by heating an aqueous solution of a rhodium salt until a steady state distribution of isomers is obtained, and then sparging hydrogen sulfide into the solution to form the electrocatalyst.
Dependencies are inferred from the claim text.