Patent ID: 11933858
Assignee: TSINGHUA UNIVERSITY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 4:
5. The method of claim 1, wherein when the short-circuit resistance is greater than a preset resistance value, or when an influence of the short-circuit resistance is ignored for simplification processing, the excitation-response formula of the fuel cell is converted into:, ∫
                0
                t
              
              ⁢
              
                
                  i
                  
                    c
                    ⁢
                    h
                  
                
                ⁢
                d
                ⁢
                t
              
            
            t
          
          =
          
            
              i
              H
            
            +
            
              
                Q
                
                  Cata
                  .
                
              
              ⁢
              
                1
                t
              
            
            +
            
              
                C
                dl
              
              ⁢
              
                
                  U
                  -
                  
                    U
                    0
                  
                
                t
              
            
          
        
        ,
      
    
    
      
        Formula
        ⁢
        
          
        
        ⁢
        
          (
          2
          )
        
      
    
  

where ich represents the real-time excitation current density or the real-time response current density under the voltage excitation, iH represents the hydrogen crossover current density, QCata. represents the real-time total amount of charges absorbed and desorbed on the surface of the catalyst, Cdl represents the double-layer capacitance, U represents the real-time voltage of the single cell, U0 represents the starting voltage of the single cell of the single excitation, and t represents the time.