How Energy Storage Systems Age in the Real World
1. Aging Is More Than Battery Degradation
While battery aging is widely discussed, system aging also includes:
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Power electronics wear
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Thermal cycling
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Control drift
2. Electrical Stress Accumulates Quietly
Frequent partial-load operation stresses components differently than peak operation.
This is why conservative electrical design extends system life more effectively than oversizing batteries.
3. Engineering Strategy
Lifecycle-oriented energy storage solutions prioritize stress reduction across all power paths.
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4. Engineering Conclusion
Systems age by stress, not by calendar years.