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Scientists Make Water-Based Battery That Could Last 300 Years Using Tofu Brine Ingredients (www.zmescience.com)

submitted 2 days ago by resipsaloquitur@lemmy.cafe to c/nottheonion@lemmy.world

29 comments fedilink hide all child comments

cross-posted from: https://slrpnk.net/post/37619927

A battery usually hides its nastiest chemistry from view. Inside many rechargeable systems, useful energy moves through liquids that are strongly acidic, alkaline, flammable, corrosive, or difficult to discard. The battery works, until the same chemistry that made it powerful begins to eat away at its parts.

A team in China and Hong Kong has now built a very different kind of battery. Its electrolyte is a neutral water-based solution of magnesium and calcium salts, chemically close to the brines used to coagulate tofu. In tests, the device ran for 120,000 charge cycles, used nonflammable ingredients, and met several disposal safety standards, the researchers in China report.

It is not ready to replace the battery in your phone. But it points toward a cleaner kind of battery for the place where longevity matters most: the electric grid.

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[–] just_another_person@lemmy.world 16 points 2 days ago (3 children)

Doesn't say what it's input/output is, so maybe that's the damper on this.

[–] SaveTheTuaHawk@lemmy.ca 9 points 2 days ago

My new car runs on 65,000 lemons.

[–] homes@piefed.world 2 points 2 days ago* (last edited 2 days ago) (1 children)

Exactly. If this could immediately solve the energy crisis, they’d be publishing the specs on this, and we’d all be making them in our kitchens this minute.

It’s just some sub-interesting science experiment, and the results it produced were unremarkable at best.

Not worth the click

[–] icanbrewmushrooms@lemmy.world 2 points 2 days ago (2 children)

So you'd only be interested in reading an article if it was going to instantly solve all of humanities energy problems overnight? Why bother clicking on any link with such ridiculously high standards?

[–] just_another_person@lemmy.world 2 points 2 days ago

I don't think that's what they are saying at all, but it doesn't even mention how much power can go in, be sustained, and how much it can discharge. Those are the bare minimum details you'd want out of an article about a battery. The fact it mentions none of that is suspect.

[–] homes@piefed.world 1 points 2 days ago

Why would you think that?

In fact, why would you even bother trying to read my mind via a random Internet comment?

[–] Atelopus-zeteki@fedia.io 0 points 2 days ago (1 children)

Why not read the article? smh. The "input" could be MgCl2 and CaCl2 in a covalent organic polymer (Hexaketone-tetraaminodibenzo-p-dioxin covalent organic polymers).

[–] just_another_person@lemmy.world 2 points 2 days ago (1 children)

That is the STORAGE MEDIUM, and not the input or output, which would be the input power and output power. This is a battery.

[–] Atelopus-zeteki@fedia.io -2 points 2 days ago (2 children)

Right, it's a battery. It's inputs are electrons, and it's outputs are, yes, you guessed it, electrons. I guess I'm just not understanding your question. Would you care to clarify?

[–] vaionko@sopuli.xyz 1 points 1 day ago

How fast can you shove those electrons in and how fast do you get them out?

[–] just_another_person@lemmy.world 1 points 1 day ago* (last edited 1 day ago)

Voltages, intake and discharge rates.