Heima
Posts: 51
Joined: Thu Feb 21, 2019 11:46 pm

Something for the Enginerds

Sat Mar 07, 2020 8:18 pm

I love researching the thermal management systems of the various electric vehicle powertrains. To my knowledge, the Chevy Volt and Spark EV were the only systems using individual cooling plates for each cell pouch. Most other liquid cooling systems use large cold plates, that the bottom or one side of a cell module contacts. I was so fascinated by the Chevy system that I was actually considering buying a Spark EV and have been shopping for one. Well, I guess I won't have to do that anymore.

With some digging, I was able to find a semi-teardown of the FFE battery packs. Guess what? No cold plates for our packs, a cooling plate for each cell pouch! I am so happy to learn this! It makes me love the FFE all the more!

The teardown is in appendix B of this DOT NHTSA safety testing document. Enjoy!

http://rosap.ntl.bts.gov/view/dot/41005 ... 05_DS1.pdf

triangles
Posts: 1088
Joined: Tue Aug 16, 2011 11:40 am
Location: Toledo, Ohio

Re: Something for the Enginerds

Sat Mar 07, 2020 10:21 pm

Now all we need to do is find 430 higher energy density cells with the same dimensions at a reasonable cost and rebuild the pack
2014 Blue Candy FFE
http://www.fuelly.com/car/ford/focus/2014/triangles/303811 (since this forum doesn't allow BBcode in sigs)

jmueller065
Posts: 2396
Joined: Tue Feb 12, 2013 4:36 am
Location: Southeastern MI
Contact: Website

Re: Something for the Enginerds

Sun Mar 08, 2020 4:21 am

If you really want to see how the cooling system works just read this:

https://www.dropbox.com/s/6vpsdoelmahhr ... m.pdf?dl=0

(dropbox link)
2018 Cajun Red Chevy Bolt
2016 Magnetic C-Max Energi (lease returned)
2014 Sunset Escape
2014 Thor Axis (V-10)
2013 Focus Electric (lease returned Jan 2016 for the C-Max above)
https://spareelectrons.wordpress.com/

Heima
Posts: 51
Joined: Thu Feb 21, 2019 11:46 pm

Re: Something for the Enginerds

Sun Mar 08, 2020 8:41 am

Thank you very much for that pdf jmueller065. Would you happen to have any more of that training?

jmueller065
Posts: 2396
Joined: Tue Feb 12, 2013 4:36 am
Location: Southeastern MI
Contact: Website

Re: Something for the Enginerds

Sun Mar 08, 2020 1:44 pm

2018 Cajun Red Chevy Bolt
2016 Magnetic C-Max Energi (lease returned)
2014 Sunset Escape
2014 Thor Axis (V-10)
2013 Focus Electric (lease returned Jan 2016 for the C-Max above)
https://spareelectrons.wordpress.com/

Heima
Posts: 51
Joined: Thu Feb 21, 2019 11:46 pm

Re: Something for the Enginerds

Sun Mar 08, 2020 6:31 pm

Thank you again, jmueller065!

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