Which outcome arises when a lithium-ion battery's solid electrolyte interphase (SEI) layer degrades under ionic attack?

💡 Explanation

When the SEI degrades from ionic attack, the protective layer loses its ability to facilitate lithium-ion transport because the crystalline structures break down, which increases resistance. Therefore reduced ionic conductivity results, rather than thermal runaway, dendrite formation, or voltage sag which originate from different failure processes.

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