Patent ID: 11921165
Assignee: SK ON CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 2:
3. The method for calculating characteristics of a battery of claim 2, wherein the method for calculating the positive electrode parasitic capacitance of the battery uses the following equation:, Cp
  =
  
   
    2
    ⁢
    Ep
   
   
    
     [
     
      
       Vb
       /
       2
      
      -
      
       Vb
       ⁡
       (
       SP
       )
      
     
     ]
    
    2
   
  
 

wherein:
Cp refers to the positive electrode parasitic capacitance;
Vb refers to the voltage of the battery;
Vb(SP) to refers the voltage of the battery after a preset time;
Ep refers to, ∫
     
      t
      0
     
     
      
       t
       0
      
      +
      C
     
    
    
     
      
       
        [
        
         
          Vb
          ⁡
          (
          t
          )
         
         -
         
          Vb
          ⁡
          (
          SP
          )
         
        
        ]
       
       2
      
      RA
     
     ⁢
     dt
    
   
   =
   
    
     
      Cp
      2
     
     [
     
      
       Vb
       2
      
      -
      
       Vb
       ⁡
       (
       SP
       )
      
     
     ]
    
    2
   
  
  ;
 

C refers to a preset time; and
RA refers to a total resistance between the positive electrode terminal of the battery and the case of the battery in the state in which only the second switch and the fourth switch are turned on.