Winter 2021 Onboard
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@mentors should be more proactive, please hold check-in conversations weekly if possible on Slack to lead new members
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[@Micah placeholder to explain why this intro project is crucial to understand battery box]
To get everyone started on the battery box team, I’ve thought it would be good to through the basics of designing a simple battery pack. This exercise will help you understand what you are contributing to this term!
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Step 2
We’ll start with a simple pack - here are some of the specs that we want for this project:
Item | Spec | Notes |
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Amount of Energy Stored in pack | 100Wh minimum | We also want minimum weight while meeting this criteria |
Cell Nominal Voltage | 3.635V | |
Cell Nominal Capacity | 3450mAh | |
Operating Voltage | 6-18V | Must stay in this range for the entire discharge |
Single Cell Min, Max Voltage | 2.5V, 4.2V | At the full charge and full discharge limits |
What do you recommend for the number of cells in series and parallel, and why did you choose those numbers - we’re looking for an answer in the form of XPYS, where X is the number of cells in parallel and Y is the number of cells in series, along with a justification.
Step 3
Now that you should know how to design a battery pack, we’ll get you to run through the process of choosing a battery configuration for a car, given the following parameters (chosen to loosely represent Midnight Sun XIV):
If you think there’s info missing here, message Micah Black on slack and I’ll first make sure I didn’t make a mistake in the info provided, and then help you out to make sure you’re on the right track!
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