Chinese battery developer unveils new tech with 1,300-mile range that could revolutionize EVs: 'An important piece of the puzzle'
Chinese battery developer unveils new tech with 1,300-mile range that could revolutionize EVs: 'An important piece of the puzzle'

Chinese battery developer unveils new tech with 1,300-mile range that could revolutionize EVs: 'An important piece of the puzzle'

This horseshit again? Physical product available for independent analysis, or it didn't happen.
It's not like the Chinese are famous for lying about the specs on things they manufacture or anything. Every week we hear about some Chinese company poised to "revolutionize" the EV with pie-in-the-sky range figures and yet the market continues to remain resolutely un-revolutionized.
And as usual, this article harps on "range" as if that's not an easily fudged figure. The real numbers we need to see are watts per volume, or watts per mass. And number of charge cycles tolerated, and how many before it loses what percentage of capacity. Any idiot can claim to make a 1,300 mile, 2,000 mile, 5,000 mile, 1,000,000 mile battery pack -- just make the pack bigger, or the vehicle lighter, or both. That tells us nothing meaningful whatsoever about the battery chemistry itself. Advertising us what hypothetical ranges someone thinks a pack made of these "could" build is meaningless. We could build a 1300 mile battery pack right now with LiFePo cells if we wanted to, via the simple expedient of filling a dump truck with the things.
My guess is it's just a car with a battery 5 times bigger than their comparison vehicle, can't do over 30, go up a hill, or pass any safety standards.
Or it's fictional.
Well, Toyota seems to be promising something around 700-800 miles range with solid state lithium battery tech, but as you say, the proof is in the pudding, and the pudding isn't ready yet.
Not Toyotas first time either Toyota has said their solid state batteries are just around the corner.
http://www.electric-vehiclenews.com/2010/12/toyota-announces-4-layer-all-solid.html?m=1
Shit I already have one up on the Chinese. I have invented an all electric rocket capable of boosting humans into LEO.
Thank you for typing out my brain squiggles.
You have to chase it down, following the link to electrek.co, but then it says: "the prototype cells house an energy density of 720 Wh/kg"
(of course, I'm just stating what is claimed, no idea how true)
Chase it down? It says 720 Wh/kg in the thumbnail image.
If that's true, 1300 mile range isn't the big deal. Going much over 400mi is pointless if we build proper charging infrastructure. Use wh/kg advancements to reduce weight, nor increase range.
The big thing is that we can build fully electric airplanes with that kind of wh/kg.
Big if, though. Batteries have been improving by 5-8% per year, and while we're not close to theoretical limits yet, this would represent an unprecedented leap all at once. That claim needs more to back it up than a press release.
Battery density has been improving steadily for the last three decades.
...
What's more, the Chinese market is both the leading producer and consumer of battery technology. So its weird to reflexively doubt that a Chinese firm would release a new higher-efficiency battery design.
Given that this is a prototype, its entirely unclear if the model is cost-efficient to mass manufacture or efficiently scalable based on available resources. But I'm hard pressed to discount the claim on its face simply because its got "China" in the headline.
Exactly. Itâs like an article I saw about some new internet tech that was âX times faster than broadbandâ. Broadband is a type of transmission using multiple frequency carrier waves to transmit data. It ainât a speed.
Wh/kg or yes maybe volume Wh/cm^3âŚ
The only other thing Iâd care about it charge speed. Maybe it doesnât last as long but I can fully charge in 10 seconds? Yeah Iâm interested. Hell Iâve never had a car yet get the estimated miles per gallon on the sticker. Itâs all bistromathics as far as Iâm concerned.
I wish more forms of travel were based solely on bistromathics.