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What is the range of specific energy in Watt-hour per kg in a lithium-ion battery?

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in Automotive Engine Design by (137k points)
What is the range of specific energy in Watt-hour per kg in a lithium-ion battery?

(a) 0-50

(b) 100-265

(c) 50-60

(d) 60-100

This question was posed to me in an online interview.

Question is taken from Lithium-Ion Battery topic in section Storage Batteries of Automotive Engine Design

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The correct answer is (b) 100-265

Explanation: Lithium-ion battery has a promising future as a rechargeable battery for the electric hybrid vehicle due to its very high storage capacity,which ranges from 100-265 watt-hour per kg with the fact that it operates at room temperature.

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