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pauljgasper 2023-04-24 12:24:18 -06:00
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@ -4,6 +4,15 @@ Battery Lifetime Analysis and Simulation Toolsuite (BLAST) provides a library of
![Example battery life predictions](example_battery_life.png)
## Caveats
These battery models predict 'expected life', that is, battery life under nominal conditions. Many types of battery failure will not be predicted by these models:
- Overcharge or overdischarge
- Impact of physical damage, vibration, or humidity
- Operating outside of manufacturer performance and environmental limits, such as voltage, temperature, and charge/discharge rate limits
- Pack performance loss due to cell-to-cell inbalance
Aging models are generally trained on a limited amount of data, that is, there is not enough information to estimate cell-to-cell variability in degradation rates.
Battery 'warranty life' is generally much more conservative than 'expected life'.
## Citations:
- Sony Murata LFP-Gr battery aging data and model
- [Calendar aging data source](https://doi.org/10.1016/j.est.2018.01.019)