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Which risk increases when lithium iodide solid electrolyte decomposes?

A)Dendrite formation and short circuit
B)Increased grain boundary resistance
C)Depletion of active lithium ions
D)Formation of passivating surface layers

💡 Explanation

Dendrite formation occurs during lithium-ion battery operation due to uneven current distribution. The decomposition product creates conductive pathways through the solid electrolyte, resulting in propagation of lithium dendrites and short circuits rather than resistance increases because dendrites are themselves conductive.

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