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From the September 2022 challenge of Automotive and Driver.
Table of Contents
What occurred to inductive charging and fast battery swaps?
EVs can profit from the kind of inductive charging that retains your telephone topped off at dwelling, however the rollout of the tech has been sluggish. The aftermarket will ultimately supply retrofit options for particular functions. However earlier than OEMs supply inductive charging as a manufacturing facility choice, the tech wants to indicate that it’s future-proof. Shoppers already balk on the value of home-charging gear, so the early adopters are prone to be within the non-public and authorities sectors. A giant logistics firm, reminiscent of Amazon, may benefit from having employees park on wi-fi pads as a substitute of counting on them to plug in at evening. Michigan has introduced plans, along with ElectReon, to construct the primary electrified street, the place a automotive will have the ability to replenish its battery inductively because it drives. Tesla made some noise about battery swapping a couple of decade in the past, but it surely’s truly taking place in China and Norway. Whereas the method is viable, the logistics and enterprise mannequin stay unsettled. A startup reminiscent of VinFast might pave the way in which because the model guarantees to promote the automotive and lease the battery.
What are firefighters’ issues when taming an EV fireplace?
Lithium-ion-battery fires are troublesome to extinguish as a result of because the battery burns, it continues to feed the fireplace. Firefighters we spoke with are very involved about responding to battery fires as a result of they can not deal with them the identical as most. Dry chemical substances and fireplace blankets may help include an EV fireplace, but when firefighters lack these instruments, the technique is an easy one: Anticipate it to burn out and maintain it from spreading. As soon as the smoldering pile of steel cools, additional precautions have to be made as a result of even a slight jostle can restart the flames.
The place does the lithium come from, and the way a lot is definitely in a battery?
Australia is the world’s largest producer of lithium carbonate, the steady salt that’s refined into the extremely reactive lithium steel utilized in batteries. China is second in manufacturing, though South America has the biggest reserves. Battery makers will not say how a lot lithium is in a cell as a result of that is thought of proprietary, however an accepted estimate is about 160 grams of lithium steel per kilowatt-hour. However to get that 160 grams, about 850 grams of lithium carbonate have to be mined. So, to supply the 212.7-kWh battery within the Hummer, about 400 kilos of uncooked lithium carbonate have to be mined from the earth.
What occurs to lifeless batteries? Are they actually recyclable?
When the batteries of a hybrid or an EV go dangerous, they go to specialised recyclers that disassemble the packs right down to particular person cells. The method is difficult as a result of cells stay scorching and able to discharge; there isn’t a off change. The cells are examined for viability, and the helpful ones can go into one other battery, one doubtlessly for a nonautomotive utility. The spent ones undergo a smelting course of that recovers the person metals—cobalt, manganese, nickel, and lithium—that are recovered utilizing an energy-intensive chemical course of. About 70 % of a battery’s weight may be successfully recovered.
What is going to condo dwellers do?
If the constructing does not have EV hookups, condo dwellers ought to in all probability persist with their fossil-fuel-powered automobiles. Except the EV is pushed sparingly, operating an extension wire shuttling 120 volts will not recharge the battery sufficient to be sensible. And if a battery is subjected to a whole lot of DC expenses, it can endure early-onset degradation. Even when a authorities mandates that new-car purchases have to be electrified, landlords aren’t at the moment obligated to offer a charging resolution. Condominium dwellers coping with such a dilemma might must buy a plug-in hybrid to conform, however with out a place to cost, they’d by no means benefit from the full effectivity good thing about electrification.
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