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| Betriebszustand× | Batterie-Ersatzschaltbildmodell× | |
|---|---|---|
| Fachgebiet | Thermodynamik | Thermodynamik |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 2017 | 2004 |
| Urheber≠ | Craig Birkl | Gregory Plett |
| Typ≠ | Degradation assessment | Battery simulation model |
| Wegweisende Quelle≠ | Birkl, C. R., Roberts, M. R., McTurk, E., Bruce, P. G., & Howey, D. A. (2017). Degradation diagnostics for lithium ion cells. Journal of Power Sources, 341, 373-386. DOI ↗ | Seaman, C. V., Strutt, A. S., & Murray, A. (2014). Portable and plug-in hybrid electric vehicle battery electric range impacts on U.S. gasoline consumption. Journal of Power Sources, 243, 773-783. link ↗ |
| Aliasnamen≠ | SOH, health estimation | ECM, circuit model, battery model |
| Verwandt | 3 | 3 |
| Zusammenfassung≠ | State of Health (SOH) quantifies battery degradation by measuring how much capacity and power capability have been lost due to aging. SOH is expressed as a percentage (100% = new, 80% = end of life for many applications). Tracking SOH enables predictive maintenance, end-of-life detection, and accurate range/power predictions in aging systems. SOH reflects cumulative effects of cycling, calendar aging, and operating conditions. | The Battery Equivalent Circuit Model (ECM) represents battery electrochemical behavior using an electrical circuit analogy. It includes an ideal voltage source (open-circuit voltage dependent on state of charge), internal resistance(s) for ohmic losses, and capacitive/resistive elements for transient response. ECM enables rapid simulation of battery behavior in electric vehicles, renewable energy systems, and portable devices without solving complex electrochemical equations. |
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