NavyCuda said:
I'm not trolling. Everyone else is taking the lazy route using active management. Sure Nissan will piss off a few people like you but in the end they'll have better battery chemistry and a significantly simpler battery pack. Remember, active management takes up space in the pack and increases the complexity of the car. I also live in a region that is nearly ideal for the battery.
Half thumbs up. You are on the right way.
What I would "recommend" Nissan to do is different pack for different regions.
In my climate there is absolutely no need for active cooling. Here I need pack heating
(much better system than Leaf has now). Same in UK and many other countries.
In hot climate you don't need heating elements. But you need cooling. OR.... better chemistry.
And it even doesn't have to be liquid or gas cooling. Forced air cooling is reliable and very cheap (i-MiEV).
Just for people to know (who are so angry that Nissan doesn't have active cooling).
Tesla has it's active cooling system set to 55C and passive at 40C. That is 131F and 104F respectively.
Soo... no. Active cooling is not
necessary. Especially for those vehicles that don't have DC-port.
Leaf ends up (pretty much always) with battery at 10C above ambient while heavily using and AC-charging.
Or up to 20C above ambient with multiple DC-charging cycles. (+18F and +36F accordingly).
Active cooling is necessary:
a) high performance vehicles and / or
b) long range EV-s (check my signature) and / or
c) supercharging capable (check my signature)
d) extremely hot regions (more than 40C for weeks) and chemistry is not appropriate.