Electrode for electrolytic processing

Abstract

An electrode for electrolytic processing has a conductive material and an organic compound having an ion exchange group. The organic compound is chemically bonded to a surface of the conductive material. The organic compound comprises thiol or disulfide. The ion exchange group comprises at least one of a sulfo group, a carboxyl group, a quaternary ammonium group, and an amino group. The conductive material includes at least one of gold, silver, platinum, copper, gallium arsenide, cadmium sulfide, and indium oxide (III).

1 . An electrode for electrolytic processing, said electrode comprising: 
 a conductive material; and    an organic compound having an ion exchange group, said organic compound being chemically bonded to a surface of said conductive material.    
     
     
         2 . The electrode according to  claim 1 , wherein said organic compound comprises an organic compound selected from the group consisting of thiol and disulfide.  
     
     
         3 . The electrode according to  claim 1 , wherein said ion exchange group comprises at least one of ion exchange groups selected from the group consisting of a sulfo group, a carboxyl group, a quaternary ammonium group, and an amino group.  
     
     
         4 . The electrode according to  claim 1 , wherein said conductive material includes at least one of gold, silver, platinum, copper, gallium arsenide, cadmium sulfide, and indium oxide (III).  
     
     
         5 . An electrode for electrolytic processing, said electrode comprising: 
 a conductive carbon material; and    an ionic dissociation functional group chemically modifying a surface of said conductive carbon material.    
     
     
         6 . The electrode according to  claim 5 , wherein said ionic dissociation functional group comprises a sulfo group or a carboxyl group.  
     
     
         7 . The electrode according to  claim 5 , wherein said ionic dissociation functional group comprises at least one of ion exchange groups selected from the group consisting of a quaternary ammonium group, and a tertiary or lower amino group.  
     
     
         8 . The electrode according to  claim 5 , wherein said conductive carbon material comprises a conductive carbon material selected from the group consisting of glassy carbon, fullerene, and carbon nanotubes.  
     
     
         9 . An electrode for electrolytic processing, said electrode comprising a graphite intercalation compound containing alkali metal.  
     
     
         10 . An electrolytic processing apparatus comprising: 
 a processing electrode;    a feeding electrode to feed a workpiece;    a workpiece holder for holding the workpiece and bringing the workpiece into contact with or close to said processing electrode;    a power supply for applying a voltage between said processing electrode and said feeding electrode, and    a fluid supply unit for supplying a fluid between the workpiece and said processing electrode,    wherein at least one of said processing electrode and said feeding electrode comprises the electrode according to  claim 1 .    
     
     
         11 . An electrolytic processing method, comprising: 
 feeding a workpiece through a feeding electrode;    applying a voltage between the feeding electrode and a processing electrode;    supplying a fluid between the workpiece and the processing electrode; and    bringing the workpiece into contact with or close to the processing electrode,    wherein at least one of the processing electrode and the feeding electrode comprises the electrode according to  claim 1 .    
     
     
         12 . A method of promoting dissociation of liquid into ions by a conductive material to which an organic compound having an ion exchange group is chemically bonded.  
     
     
         13 . The method according to  claim 12 , wherein the organic compound comprises an organic compound selected from the group consisting of thiol and disulfide.  
     
     
         14 . The method according to  claim 12 , wherein the ion exchange group comprises at least one of ion exchange groups selected from the group consisting of a sulfo group, a carboxyl group, a quaternary ammonium group, and an amino group.  
     
     
         15 . The method according to  claim 12 , wherein the conductive material comprises a material including at least one of gold, silver, platinum, copper, gallium arsenide, cadmium sulfide, and indium oxide (III).  
     
     
         16 . An electrolytic processing apparatus comprising: 
 a processing electrode;    a feeding electrode to feed a workpiece;    a workpiece holder for holding the workpiece and bringing the workpiece into contact with or close to said processing electrode;    a power supply for applying a voltage between said processing electrode and said feeding electrode, and    a fluid supply unit for supplying a fluid between the workpiece and said processing electrode,    wherein at least one of said processing electrode and said feeding electrode comprises the electrode according to  claim 5 .    
     
     
         17 . An electrolytic processing apparatus comprising: 
 a processing electrode;    a feeding electrode to feed a workpiece;    a workpiece holder for holding the workpiece and bringing the workpiece into contact with or close to said processing electrode;    a power supply for applying a voltage between said processing electrode and said feeding electrode, and    a fluid supply unit for supplying a fluid between the workpiece and said processing electrode,    wherein at least one of said processing electrode and said feeding electrode comprises the electrode according to  claim 9 .    
     
     
         18 . An electrolytic processing method, comprising: 
 feeding a workpiece through a feeding electrode;    applying a voltage between the feeding electrode and a processing electrode;    supplying a fluid between the workpiece and the processing electrode; and    bringing the workpiece into contact with or close to the processing electrode,    wherein at least one of the processing electrode and the feeding electrode comprises the electrode according to  claim 5 .    
     
     
         19 . An electrolytic processing method, comprising: 
 feeding a workpiece through a feeding electrode;    applying a voltage between the feeding electrode and a processing electrode;    supplying a fluid between the workpiece and the processing electrode; and    bringing the workpiece into contact with or close to the processing electrode,    wherein at least one of the processing electrode and the feeding electrode comprises the electrode according to  claim 9.