Method for producing electrode for electrochemical elemetn and method for producing electrochemical element with the electrode

Abstract

A method for producing an electrode for an electrochemical element absorbs monomers for polymerization on a surface having a specific surface area of 100 to 3000 m 2 g −1 and having an average pore diameter in the range of 0.4 to 100 nm, performing electrolysis polymerization by applying pulse voltage, and forming a conductive polymer layer on the surface of the conductive porous material, forming a thin and uniform electrode film. In a method for producing an electrochemical element, a conductive polymer layer is formed on the conductive porous material by absorbing monomers for polymerization on a surface of a conductive porous material having a specific surface area and pore diameter as above forming a electrochemical cell by using the conductive porous material, the monomers are absorbed in the pores, putting the electrochemical cell and the electrolyte solution in an outer casing, and performing electrolysis polymerization of the monomers in the electrolyte solution.

1 . A method for producing an electrode for an electrochemical element, characterized by absorbing monomers for polymerization on a surface of a conductive porous material having a specific surface area of 100 to 3000 m 2 g −1  and having an average pore diameter in the range of 0.4 to 100 nm, performing electrolysis polymerization by applying pulse voltage using said conductive porous material as an electrode in electrolyte solution to stack said monomers for polymerization, and forming a conductive polymer layer on the surface of the conductive porous material. 
   
   
       2 . The method for producing the electrode according to  claim 1 , characterized in that the monomers for polymerization are absorbed on the surface of the conductive porous material by impregnating said conductive porous material with solution of the monomers for polymerization and subsequent removing solvent in the solution of the monomers for polymerization. 
   
   
       3 . The method for producing the electrode according to  claim 1 , wherein the monomers for polymerization are in the form of complex monomer solution of a transition metal having at least two oxidation numbers, and wherein the conductive polymer formed by the electrolysis polymerization is an energy storage redox polymer layer including the polymer complex compound of the transition metal so as to store energy through redox reaction. 
   
   
       4 . The method for producing the electrode according to  claim 3 , wherein polymer complex compound of said transition metal is a polymer metal complex of tetra-dentate Schiff's base. 
   
   
       5 . The method for producing the electrode according to  claim 4 , wherein the polymer metal complex of said tetra-dentate Schiff's base comprises the polymer complex compound represented by the following graphical formula: 
     
       
         
         
             
             
         
       
       wherein Y is 
     
     
       
         
         
             
             
         
       
       Me is transition metal, 
       R is H or electron donating substituent, 
       R′ is H or halogen, and, 
       n is an integer number of 2 to 200000. 
     
   
   
       6 . The method for producing the electrode according to  claim 5 , wherein said transition metal Me is selected from a group constituted of Ni, Pd, Co, Cu and Fe. 
   
   
       7 . The method for producing the electrode according to  claim 5 , wherein said R is selected from a group constituted of CH 3 O—, C 2 H 5 O—, HO— and CH 3 —. 
   
   
       8 . A method for producing an electrochemical element, characterized by forming a conductive polymer layer on the surface of the conductive porous material within an outer casing by a step of
 absorbing monomers for polymerization on a surface of a conductive porous material having a specific surface area of 100 to 3000 m 2 g −1  and having an average pore diameter in the range of 0.4 to 100 nm   forming a electrochemical cell by using the conductive porous material wherein the monomers for polymerization are absorbed in the pores,   putting said electrochemical cell and the electrolyte solution in an outer casing, and   performing electrolysis polymerization of the monomers for polymerization in said electrolyte solution by applying pulse voltage from a external electrode of the outer casing to stack said monomer for polymerization.   
   
   
       9 . The method for producing the electrochemical element according to  claim 8 , characterized in that the monomers for polymerization are absorbed on the surface of the conductive porous material by impregnating said conductive porous material with solution of the monomers for polymerization and subsequent removing solvent in the solution of the monomers for polymerization. 
   
   
       10 . The method for producing the electrochemical element according to  claim 8 , wherein the monomers for polymerization are in the form of complex monomer solution of a transition metal having at least two oxidation numbers, and wherein the conductive polymer formed by the electrolysis polymerization is an energy storage redox polymer layer including the polymer complex compound of the transition metal so as to store energy through redox reaction. 
   
   
       11 . The method for producing the electrochemical element according to  claim 10 , wherein the polymer complex compound of said transition metal is a polymer metal complex of tetra-dentate Schiff's base. 
   
   
       12 . The method for producing the electrochemical element according to  claim 11 , wherein the polymer metal complex of said tetra-dentate Schiff's base comprises the polymer complex compound represented by the following graphical formula: 
     
       
         
         
             
             
         
       
       wherein Y is 
     
     
       
         
         
             
             
         
       
       Me is transition metal, 
       R is H or electron donating substituent, 
       R′ is H or halogen, and, 
       n is an integer number of 2 to 200000. 
     
   
   
       13 . The method for producing the electrochemical element according to  claim 12 , wherein said transition metal Me is selected from a group constituted of Ni, Pd, Co, Cu and Fe. 
   
   
       14 . The method for producing the electrochemical element according to  claim 12 , wherein said R is selected from a group constituted of CH 3 O—, C 2 H 5 O—, HO— and CH 3 —. 
   
   
       15 . The method for producing the electrode according to  claim 2 , wherein the monomers for polymerization are in the form of complex monomer solution of a transition metal having at least two oxidation numbers, and wherein the conductive polymer formed by the electrolysis polymerization is an energy storage redox polymer layer including the polymer complex compound of the transition metal so as to store energy through redox reaction. 
   
   
       16 . The method for producing the electrochemical element according to  claim 9 , wherein the monomers for polymerization are in the form of complex monomer solution of a transition metal having at least two oxidation numbers, and wherein the conductive polymer formed by the electrolysis polymerization is an energy storage redox polymer layer including the polymer complex compound of the transition metal so as to store energy through redox reaction.