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Yes, virtually all batteries perform poorly at low temperatures. IIRC, the Tesla can actually heat its batteries to increase performance. Most consumer-grade l
by TD-Linux 12y ago
Yes, virtually all batteries perform poorly at low temperatures. IIRC, the Tesla can actually heat its batteries to increase performance.
Most consumer-grade lithium ion batteries have a charging window between 0-45C, totally unacceptable for a car. 0-60C is more common for automotive batteries, but still isn't that large of a window.
- bri3d 12y agoHere's a diagram of the Tesla Model S's heat/cooling system. It's taken from a leaked picture of the engineering tools built into the infotainment system, which is a scary concept once you think about it: http://i.imgur.com/TOUXlWM.jpg http://i.imgur.com/TOUXlWM.jpg The car needs a substantial amount of both active heating and cooling in order to enable the batteries to both charge at all below 0C and to charge and discharge extremely rapidly when attached to a Supercharger or under heavy acceleration.