Method for Manufacturing Polyradical Compound and Battery

Abstract

In the present invention, in order to provide an electrode active material that has a high capacity density and from which a large current can be extracted and to provide a battery that has a high energy density and produces a large output, in a battery comprising at least a cathode, an anode and an electrolyte, a polyradical compound having a partial structure represented by the following general formula (2) is used as an electrode active material for at least one of the cathode and the anode, wherein, in the formula (2), R 1 to R 3 independently represent a hydrogen atom or a methyl group; and R 4 to R 7 independently represent an alkyl group having 1 to 3 carbon atoms.

1 - 11 . (canceled)  
   
   
       12 . An electrode active material, comprising a polyradical compound having a glass transition temperature of at least 80° C., and having a partial structure represented by the following general formula (2):  
     
       
         
         
             
             
         
       
       wherein, in the general formula (2), R 1  to R 3  independently represent a hydrogen atom or a methyl group; and R 4  to R 7  independently represent an alkyl group having 1 to 3 carbon atoms.  
     
   
   
       13 . The electrode active material according to  claim 12 , wherein the polyradical compound is a homopolymer having the partial structure represented by the general formula (2).  
   
   
       14 . The electrode active material according to any one of  claim 12 , wherein the polyradical compound has a number average molecular weight of 5000 or higher.  
   
   
       15 . The electrode active material according to any one of  claim 13 , wherein the polyradical compound has a number average molecular weight of 5000 or higher.  
   
   
       16 . A battery comprising at least a cathode, an anode and an electrolyte, wherein the electrode active material according to any one of  claim 12  is used as an electrode active material for at least one of the cathode and the anode.  
   
   
       17 . The battery according to  claim 16 , wherein the electrode active material is a cathode active material.  
   
   
       18 . The battery according to  claim 16 , which is a lithium battery.  
   
   
       19 . The battery according to  claim 17 , which is a lithium battery.  
   
   
       20 . The battery according to  claim 18 , which is a lithium secondary battery.  
   
   
       21 . The battery according to  claim 19 , which is a lithium secondary battery.  
   
   
       22 . A method for manufacturing a polyradical compound, polymerizing at least a radical substituted vinyl ether compound represented by the following general formula (1) in the presence of a cationic polymerization catalyst to obtain a polyradical compound having a partial structure represented by the following general formula (2),  
     
       
         
         
             
             
         
       
       wherein, in the general formula (1), R 1  to R 3  independently represent a hydrogen atom or a methyl group; and R 4  to R 7  independently represent an alkyl group having 1 to 3 carbon atoms,  
       
         
           
           
               
               
           
         
       
       wherein, in the general formula (2), R 1  to R 3  independently represent a hydrogen atom or a methyl group; and R 4  to R 7  independently represent an alkyl group having 1 to 3 carbon atoms.  
     
   
   
       23 . The method for manufacturing a polyradical compound according to  claim 22 , using a Lewis acid as the cationic polymerization catalyst.  
   
   
       24 . The method for manufacturing a polyradical compound according to  claim 22 , conducting the polymerization in a halogenated organic solvent.  
   
   
       25 . The method for manufacturing a polyradical compound according to  claim 23 , conducting the polymerization in a halogenated organic solvent.