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← ScienceWhich risk significantly intensifies within lithium-ion batteries undergoing fast charging?
A)Dendrite formation causing internal shorts✓
B)Electrolyte oxidation increasing internal resistance
C)Particle cracking decreasing surface area
D)Binder decomposition reducing mechanical integrity
💡 Explanation
Dendrite formation causing internal shorts is accelerated during fast charging speed because, under high ionic flux, lithium ions preferentially deposit on surface imperfections via electrodeposition; therefore, dendrites grow, rather than plating uniformly, because the electric field concentrates at the dendrite tips.
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