diy solar

diy solar

resisters as the heater

I used 4 of these 7W polyimide heaters. https://www.amazon.com/gp/product/B07P2RJDPL. I attached them to a .060” aluminum plate I had and covered them with felt and Kapton tape. I covered the other side of the plate with phenolic tape to give the cells something to slide on as they expand and contract in my compression fixture. At only 28 Watts, they heat my cells gently and evenly. Of course, the whole thing is in an insulated box.
Hello there,
How do you control the temp? Do you use a thermostat?
Is there a thermal protection in case something goes wrong?
Thanks!

A
 
They do sell 12V heating blankets, cheap enough.
I guess it's just a matter of adding a low-temperature thermostat.
-
 
Is there a thermal protection in case something goes wrong?
The BMS should cut power based on over/under temperature of the battery cells.
I suppose an external power source could continue to heat if the thermostat failed closed.
 
Back
Top