You are miss interpreting it. You have stated I'm thinking we shouldn't progress. I have offered maybe that its the opposite and in turn offered some thoughts about battery thermal management
No need to get upset. Pretty clear that OEMs need fluids specific to cooling a battery... and work on cars of the future right now. What do you think Formula 1 batteries have to stay cool? Its not air cooling, you need to take heat away from the battery from inside, obviously water would be the best fluid for this, but it doesn't mix with electrons too well. Having a fluid cooling medium also increases the surface area you can interact with to take heat away, aswell as effectively turning the battery into many many cells rather than one pack. This is the way OEMs are going to manage thermal challenges. Not split the battery up in the car but split the battery up within its existing footprint (maybe a 5% increase for cell spacing)
So your original problem was right and solution was viable, but its not the way to industry have chosen to address it. Direct cooling is what the Porsche Taycan is using, which is why its a step change in terms of sustained performance and charge time.
I'm not getting upset and It wasnt me who brought up the battery cooling issue, so im not sure why this is even an issue, I know what they are doing and if you split the battery "pack" into two equal sizes and put them in two places at that scale its unlikely to change the heat issue at all. My point was that there is an increase in flexibility to distribute the batteries in the foot print than an ICE, its there even now already done, just right now that tends to be one point thats still in most cases really just influenced by ICE design, since the cars are ICE designed and converted into Ev design.
If you want to change the layout to use the same footprint as a now you can do it more efficiently or more creatively than with ICE. Move the engine in an ice car to the middle or back and we know it gets harder to cool, plus the hear from a mid engine is very very difficult to stop penetrating even separate cabins let alone if it was one large cabin.
Using a liquid is ideal, its not only a great mechanism to move the issue its also a good store as well, unlike heat to air be that active or passive the fact the liquid acts as a radiator means its dampening the spikes and the benefits that brings, such as if there is a detectable issue it gives time to react. I know you know this, just saying. Of course in the winter its likely you can benefit from this liquid being heated since its useful for preheating the batteries and interior, again youve added an energy store into the vehicle.
Im just thinking if you took a small people carrier size vehicle, and were able to have almost all that space available it would bring different options compared to the current one thats based on having an engine at the front, then 2 or 3 rows of seats.
You could be far more flexible in that configuration, particularly if you get to the point of not actually needing a driver.
Anyway appreciate your input, even though it may not come across that way
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