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Absolutely right. I had to change brake pads on my electric car at about 120 k miles. My previous gasoline cars usually had their brake pads last about the adve
by hristov 3y ago
Absolutely right. I had to change brake pads on my electric car at about 120 k miles. My previous gasoline cars usually had their brake pads last about the advertised 30K miles. Some people are complaining that the rear brake rotors of their teslas are rusting and looking bad. That is how little they are used.
Furthermore, it is entirely possible and probably desirable that some electric cars actually remove the brakes altogether (with the exception of an emergency brake that is only used in case of total system failure). Theoretically, electric motors should completely capable of doing all necessary braking. Of course there would have to be more emphasis on the reliability of the power electronics but it is doable.
- Tagbert 3y agoRegen has limitations in how quickly the power can be stored which limits the braking rate. Also, when the battery is fully charged there is no place to put the electricity which also limits regen braking. Most EVs blend regen into the brakes so that when you press on the brake pedal it uses regen for normal braking down to about 10mph at which point the friction brakes take over. At low speeds regen is ineffective. That low speed use of friction brakes produces very little wear and very little particulate output. Those EVs doing blending will also switch entirely to friction braking if you really stomp on the brake pedal in an emergency stop as you can stop more quickly than any regen system. In those cases the priority is stopping quickly regardless of energy efficiency or particulates. I don’t see a likely hood that EVs will completely get rid of friction brakes using current/near term technology.