GyanGramQuestion
In the context of electric vehicle batteries, consider the following elements:
I. Cobalt
II. Graphite
III. Lithium
IV. Nickel
How many of the above usually make up battery cathodes?
PRELIMS 2025 · SCIENCE & TECHNOLOGY
In the context of electric vehicle batteries, consider the following elements: I. Cobalt…
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• Correct Answer: C
• Cathode materials in EV batteries typically include lithium, cobalt, and nickel (e.g., NMC, NCA chemistries).
• Graphite is used in the anode, not the cathode. Mnemonic: CoLiNi = cathode.
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