this post was submitted on 04 Jul 2023
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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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[–] AlternateRoute@lemmy.ca 10 points 1 year ago (1 children)

They have been "claiming"/ "announcing" this breakthrough since 2017 repeatedly. They STILL haven't figured out how to mass produce it affordably to making it meaningful. They keep pushing out the date for when it will arrive for many years now.

[–] loops@beehaw.org 5 points 1 year ago (1 children)
  • Release statement claiming breakthrough
  • Attract investment money
  • Run out of money
  • Release statement claiming breakthrough
  • Attract investment money
  • Run out of money

Repeat until product is complete or no one will invest.

[–] phlemmy@lemmy.ml 2 points 1 year ago

I """claim""" the planet Jupiter

[–] pokexpert30@lemmy.pussthecat.org 4 points 1 year ago (1 children)

Oh fuck off with that charging times.

Assuming this battery will be 150kwh (which is a conservative estimate for such a range)

Let's ignore even heat loss So you need to 150kwh in 10 minutes, wish equals to 900kw of immediate charging speed.

Now imagine 20 of those power inputs connecting/disconnecting on a local power management substation.

Not fucking gonna happen.

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

Even if the power load on the grid was doable, heat dissipation is also a huge problem. Current DC fast chargers max out at 350 kW (in theory, my car supports charging at that rate but the best I've seen in real life is around 190kW), and the liquid-cooled cables are already heavy/bulky enough to give some women and older folks a hard time. I can't imagine a practical way to handle 2 or 3 times the current without making the cables something like 6 inches in diameter and weighing a couple hundred pounds.

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

last year it recalled 2,700 of its first electric vehicles because of concerns the wheels could fall off.

I set up the production line for this hub unit. This news has been really annoying because it meant we had to scramble to install a bolt press machine on this line.

[–] VoxAdActa@beehaw.org 0 points 1 year ago

The quickest way I've found to separate the articles that are going to be meaningless waste-of-time fluff pieces from ones that might be informative is to find the verb in the headline.

Is it something like "claims", "calls for", "praises", "criticizes", or "expects"? Fluff. If something deserving of a more concrete, direct verb had happened, the headline would have said so. Verbs like "slams" or "attacks" or "demands" are even worse; they're aggressive and enthusiastic about their content but still can't make the claim something actually happened or changed.

If the verb is preceded by "could", "might", "maybe", or similar, especially with regard to tech news, it's also probably an empty slow-news-day article, but those words aren't necessarily as hollow as the ones mentioned above. Sometimes they'll contain interesting information about the current state of things, even if they're just going to lead you on a merry speculation romp about the optimistic/horrifying future.