Internal Short ckt modeling for Li-ion battery using Newman P2D model

- August 28, 2023 at 4:55 pm
  
  Nitesh Gupta
  Subscriber
  
  I am able to do a normal discharge simulation(3-Crate) and match with my experiment data. But, when I use the same cell parameters to do a Internal short ckt, the simulation shows error. patched resistance used is 1.25e-9. Attached link to the model.
- September 6, 2023 at 12:31 pm
  
  Murari Iyengar
  Ansys Employee
  
  Hi, we cannot access any links as part of the Ansys Policy. Can you share screenshots of the Battery modeling settings?
  - September 7, 2023 at 3:59 pm
    
    Nitesh Gupta
    Subscriber
    
    hey Murari,
    Any Success?
- September 6, 2023 at 7:52 pm
  
  Nitesh Gupta
  Subscriber
- September 8, 2023 at 2:43 pm
  
  Murari Iyengar
  Ansys Employee
  
  Hi Nitesh, how did you patch the short resistance? It should be a small region. Start with large short resistance value first and run it. See the effect and then lower it if it is needed.
  - September 8, 2023 at 2:49 pm
    
    Nitesh Gupta
    Subscriber
    
    How can I improve? Or, what can be the problem. Any suggestions? Why the solver blows up at lower resistances even though i used small time step.
- September 8, 2023 at 2:47 pm
  
  Nitesh Gupta
  Subscriber
  
  Yeah, i already tried it. I started with 500 mohm in a volume of 5x5x5mm. But I am not able to run at 70mohm and I need it to run at that value.