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← ScienceWhich outcome weakens solid electrolyte interphase (SEI) layers?
A)Increased interfacial ionic resistance increases✓
B)Enhanced covalent bond network forms
C)Decreased lithium-ion diffusion develops
D)Stable polymer electrolyte oxidation inhibits
💡 Explanation
Increased interfacial ionic resistance increases SEI cracking, because it concentrates ion flux. Space charge layers at crack tips promote crack propagation undermining SEI strength, therefore increased ionic resistance weakens it, rather than stronger covalent bonding.
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