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← ScienceWhich risk increases when lithium salts are repeatedly thermally cycled?
A)Ionic radii size decreases sharply
B)Electrolyte reduction is severely limited
C)Dendritic growth acceleration observed readily✓
D)Polymer separator pore volume increases
💡 Explanation
Rapid temperature changes cause uneven lithium ion deposition during plating because electromigration (ion movement) is affected, especially at grain boundaries. Therefore dendritic growth accelerates during ionic transport, rather than uniform deposition because of varied thermal expansion.
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