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Toyota claims battery breakthrough in potential boost for electric cars (www.theguardian.com)

submitted 1 year ago by george@midwest.social to c/technology@beehaw.org

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Japanese firm believes it could make a solid-state battery with a range of 745 miles that charges in 10 minutes

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[–] Umbrias@beehaw.org 1 points 1 year ago (2 children)

300 miles isn't enough distance for a day of travel and lots of places don't have charger availability still. What's wrong with approaching parity in user experience to gasoline vehicles? It will only accelerate their use, and 700 miles in winter is going to be only maybe 300 miles.

[–] irasponsible@beehaw.org 1 points 1 year ago (1 children)

A 30 minute charge for every 4 hours of driving is already practical for a long drive. Every safety organisation and fatigue management plan on the planet says you need to stop more often than that for fatigue anyway.

If some is regularly driving more than 200mi/320km in a day (more than the average car drives in a week) without a break on those trips, then a hybrid car is probably a better bet for the foreseeable future.

[–] Umbrias@beehaw.org 0 points 1 year ago (1 children)

cars hold more than 1 person
mountains mean that four hours is now three hours
cold weather means that four hours is now two hours
mountains plus cold weather means four hours is now one and a half hours
much of the (us) country lacks charging stations to support that, or even the infrastructure to support the charging stations
hybrid cars are the worst of both worlds
300 miles is just barely under the safe distance between most major towns \cities in parts of the us
that means you barely or don't get to your location on one charge
current charging infrastructure means taking a couple hours extra on many trips right now. At least some of this is improving, but very slowly.

This is a very real problem. We know, we have family with an ev who need to travel to us to visit on occasion.

[–] VoxAdActa@beehaw.org 1 points 1 year ago

300 miles is just barely under the safe distance between most major towns \cities in parts of the us that means you barely or don’t get to your location on one charge

I've never owned a car in my life that gets more than 300 miles on a single tank of gas.

[–] healthetank@lemmy.ca 0 points 1 year ago (1 children)

I've got the 2021 Kona EV and while you do lose range in the winter, it's more like 100km/450km. That's with intense grip heavy winter tires and the heater running. In Ontario, so regularly ran it with -35c temps. It's cold and you lose some range, but not 400miles out of a 700mile range

[–] Umbrias@beehaw.org 1 points 1 year ago

In general Li ion batteries lose about 40% charge efficiency in normal cold weather. It's up to the car's systems to keep the batteries heated to reduce that, at the cost of constant power draw. In our experience with similar weather it's not far off, and for safety reasons we just assume half the battery is lost during winter driving. Mountains add into that, but aren't ultimately super extreme.