Question

I am used in automobile batteries and X-Ray machines.
Who Am I?​

Answer 1

Answer:

Graphite

Explanation:

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Answer 2

Answer: Lithium-ion batteries are utilized in the majority of all-electric and plug-in hybrid electric vehicles; nickel-metal-hydride are common for hybrid cars; and newer materials are being introduced, such as lithium polymer and lithium iron phosphate, with more on the horizon to challenge those in commonly used.