FIELD: industrial electrolyzers. SUBSTANCE: the invention presents a rhodium electrocatalytic agent and a method of its preparation, that may be used in industrial electrolyzers. The invention offers an electrolytic cell having an electrode with a diffusion of gas and containing an electrically conducting fabric, on which the catalytic agent containing rhodium sulfide is located with at least one fluorinated binder imbedded in it. Technical effect - improved method of electrolysis of hydrochloric acid used for production of chlorine. EFFECT: the invention allows to improve the method of electrolysis of hydrochloric acid used for production of chlorine. 15 cl, 6 dwg, 1 tbl, 5 ex
