Molten-salt titanium plating solution composition and method for manufacturing titanium-plated member

Abstract

A molten-salt titanium plating solution composition contains: ions of at least one Group I metal selected from the group of lithium and sodium, fluoride ions, and titanium ions. The molten-salt titanium plating solution composition contains less than or equal to 5 mol % of potassium ions with respect to 100 mol % of all ion components contained in the molten-salt titanium plating solution composition.

1 . A molten-salt titanium plating solution composition comprising:
 ions of at least one Group I metal selected from the group of lithium and sodium;   fluoride ions; and   titanium ions,   the molten-salt titanium plating solution composition containing less than or equal to 5 mol % of potassium ions with respect to 100 mol % of all ion components contained in the molten-salt titanium plating solution composition.   
     
     
         2 . The molten-salt titanium plating solution composition according to  claim 1 , wherein a ratio of the fluoride ions to all anions contained in the molten-salt titanium plating solution composition is more than or equal to 30 mol % and less than or equal to 100 mol %. 
     
     
         3 . The molten-salt titanium plating solution composition according to  claim 1 , further comprising chloride ions. 
     
     
         4 . The molten-salt titanium plating solution composition according to  claim 3 , wherein the molten-salt titanium plating solution composition contains more than or equal to 30 mol % and less than or equal to 50 mol % of the fluoride ions, with respect to 100 mol % of a total of the chloride ions and the fluoride ions. 
     
     
         5 . The molten-salt titanium plating solution composition according to  claim 1 , wherein the molten-salt titanium plating solution composition contains more than or equal to 0.1 mol % and less than or equal to 12 mol % of the titanium ions with respect to 100 mol % of all cations contained in the molten-salt titanium plating solution composition. 
     
     
         6 . The molten-salt titanium plating solution composition according to  claim 1 , wherein the molten-salt titanium plating solution composition is used for manufacturing an insoluble electrode. 
     
     
         7 . The molten-salt titanium plating solution composition according to  claim 1 , wherein the molten-salt titanium plating solution composition is used for manufacturing a current collector. 
     
     
         8 . The molten-salt titanium plating solution composition according to  claim 1 , wherein the molten-salt titanium plating solution composition is used for manufacturing a biomaterial. 
     
     
         9 . A method for manufacturing a titanium-plated member, the method comprising:
 preparing a substrate having an electrically conductive surface;   immersing the substrate in a molten-salt titanium plating solution composition according to  claim 1 ; and   forming a titanium plating film on the surface of the substrate by applying electric current to cause the substrate immersed in the molten-salt titanium plating solution composition to serve as a cathode and cause the surface of the substrate to be coated with titanium.