题目内容

How much time in minutes will it take for the battery to go from 40% SOC to 100% SOC, assuming a constant C-rate of 2C? You may assume a linear rate of charging. ______

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Assume that the battery is at 40% of its rated capacity. The battery is now charging at a C-rate of 2C. What is the charging current in amps that is going into the battery? ______

Consider a lead-acid battery with 100 Ah capacity and a rated voltage of 12 V.What is the total capacity of energy in watt-hours that can be stored in the battery? ______

The Nuon team in TU Delft designed a very fast car powered by solar energy, the Nuna 7. They just came back from the World Solar Challenge 2013 in Australia after winning the first place. But they are already looking for improving their car. As storage, they need a solution as light as possible.Looking at the Ragone plot here, which would be the preferred technology for the batteries of the new Nuna car?

A. Lead-acid batteries
B. Nickel or metal hydride batteries
C. Lithium batteries
D. Lithium-ion batteries

Which of the following is NOT a secondary battery?

A. Zinc-carbon batteries
B. Lead-acid batteries
C. Nickel cadmium batteries
D. Lithium-polymer batteries