Energy storage molecular material, crystal dielectric layer and capacitor

Abstract

The present disclosure provides an energy storage molecular material, crystal dielectric layer and capacitor which may solve a problem of the further increase of volumetric and mass density of reserved energy associated with some energy storage devices, and at the same time reduce cost of materials.

1 . An energy storage molecular material having a general molecular structural formula: 
       
         
           
           
               
               
           
         
         wherein Cor is a predominantly planar polycyclic molecular system which forms column-like supramolecular stacks by means of π-π-interaction, wherein the planar polycyclic molecular system comprises planar fused polycyclic hydrocarbons selected from the group of 7 to 17: 
       
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         P is a polarization unit, wherein the polarization unit is comprised of rylene fragments of a general structure selected from the group of structures 19-25: 
       
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         I is a high-breakdown insulating substituent group, 
         n is 1, 2, 3, 4, 5, 6, 7 or 8, 
         m is 1, 2, 3, 4, 5, 6, 7 or 8, and 
         wherein the high-breakdown insulating substituent group is independently selected from the list comprising —(CH 2 ) n —CH 3 , —CH(CH 2 ) n CH 3 ) 2 ) where n is any number between 1 and 50, alkyl, aryl, substituted alkyl, substituted aryl, branched alkyl, branched aryl, and any combination thereof and wherein the alkyl group is selected from the group of methyl, ethyl, propyl, butyl, I-butyl and t-butyl groups, and the aryl group is selected from the group of phenyl, benzyl and naphthyl groups. 
       
     
     
         2 . The energy storage molecular material according to  claim 1 , further comprising at least one linker unit selected from the group of the following structures: 33-42, which connect the predominantly planar polycyclic molecular system (Cor) with the polarization units (P): 
       
         
           
           
               
               
           
         
       
     
     
         3 .- 17 . (canceled) 
     
     
         18 . A capacitor comprising
 a first electrode,   a second electrode, and   a crystal dielectric layer disposed between said first and second electrodes,   wherein said crystal dielectric layer comprises the energy storage molecular material according to  claim 1 .   
     
     
         19 . An energy storage molecular material having a general molecular structural formula: 
       
         
           
           
               
               
           
         
         wherein Cor is a predominantly planar polycyclic molecular system which forms column-like supramolecular stacks by means of π-π-interaction, wherein the planar polycyclic molecular system comprises planar fused polycyclic hydrocarbons selected from the group of 1-6: 
       
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         P is a polarization unit, wherein the polarization unit is comprised of rylene fragments of a general structure selected from the group of structures 19-25: 
       
       
         
           
           
               
               
           
         
         I is a high-breakdown insulating substituent group, 
         n is 1, 2, 3, 4, 5, 6 7 or 8, 
         in is 1, 2, 3, 4, 5, 6 7 or 8, and 
         wherein the high-breakdown insulating substituent group is independently selected from the list comprising —(CH 2 ) n —CH 3 , —CH((CH 2 ) n CH 3 ) 2 ) where n is any number between 1 and 50, alkyl, aryl, substituted alkyl, substituted aryl, branched alkyl, branched aryl, and any combination thereof and wherein the alkyl group is selected from the group of methyl, ethyl, propyl, butyl, I-butyl and t-butyl groups, and the aryl group is selected from the group of phenyl, benzyl and naphthyl groups. 
       
     
     
         20 . The energy storage molecular material according to  claim 19 , further comprising at least one linker unit selected from the group of the following structures: 33-42, which connect the predominantly planar polycyclic molecular system (Cor) with the polarization units (P): 
       
         
           
           
               
               
           
         
       
     
     
         21 . A capacitor comprising
 a first electrode,   a second electrode, and   a crystal dielectric layer disposed between said first and second electrodes,   wherein said crystal dielectric layer comprises the energy storage molecular material according to  claim 19 .