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← ScienceWhich consequence results when thermal runaway occurs in supercapacitors?
A)Electrolyte decomposition causes internal pressure✓
B)Increased capacitance lowers ESR
C)Electrode surface area rapidly expands
D)Separator pores permit efficient ion flow
💡 Explanation
During thermal runaway, electrolyte decomposition increases internal pressure because Joule heating accelerates gas generation. This rapid pressure increase can lead to explosive failure; therefore, pressure relief vents are needed, rather than efficient ion transport.
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