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Elucidating Internal Explosion Dynamics in Lithium-Ion Batteries: From Experimental Analysis to Theoretical Modeling
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DOI：10.1016/j.etran.2026.100588.png)
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Abstract
En 中文
• Thermodynamic analysis rules out internal gas combustion due to oxygen depletion, supporting a detonation mechanism. • A novel gas-dynamic model establishes a Mach number criterion (Ma ≥ 1) for predicting internal detonation onset. • Analytical derivation reveals gas front velocity scales with specific energy and is inversely proportional to channel width. • Distinct failure regimes are identified and giving the modeling-based boundaries.
Keywords:
Internal explosion dynamics
Lithium-ion batteries
Detonation mechanism
Gas-dynamic model
Failure regimes
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17
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547
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