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Which is the material used as a cathode in a lithium-ion battery?(a) Zinc foils coated lithium metal oxide(b) Brass foil coated with graphite metal oxide(c) Aluminum foils coated with graphite metal oxide(d) Copper foils coated with lithium metal oxideI had been asked this question during an online interview.This key question is from Lithium-Ion Battery in division Storage Batteries of Automotive Engine Design

Answer»

Correct answer is (c) Aluminum foils coated with graphite metal oxide

The best explanation: The LITHIUM-ion batteries having round Li-ion CELLS employ ANODE of aluminum foils coated with graphite and cathodes of copper foils coated with lithium metal oxide. The wound ELECTRODES are soaked with an organic ELECTROLYTE.



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