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Old 03-04-2020, 08:07 PM   #31 (permalink)
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Quote:
Originally Posted by aerohead View Post
Nobel Laureate,John Goodenough,of the University of Texas at Austin,(co-inventor of the Lithium -ion battery),announced in 2018,that he'd achieved a doubling of energy density for a non-combustible,solid-state, powdered-glass,non-cobalt, Lithium-ion battery.Some controversy.We'll see.
Thought they were claiming up to 10 times the capacity?

Here is a pretty good mansplanation as to why batteries as we know them can't hit 10 more capacity.
But 2 or maybe 3 times more capacity seems reasonable.

https://youtu.be/8RbwOhM6PUk
It would have to be radically different to get any where near 10 the capacity.

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Old 03-04-2020, 08:31 PM   #32 (permalink)
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I still don't know what mansplaning is. There is only explaining, and that varies from being done effectively, to being done extremely ineffectively. Can someone mansplain this to me (that means effectively, right)?
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Old 03-06-2020, 12:48 AM   #33 (permalink)
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I still don't know what mansplaning is. There is only explaining, and that varies from being done effectively, to being done extremely ineffectively. Can someone mansplain this to me (that means effectively, right)?
Mansplaining: "explaining without regard to the fact that the explainee knows more than the explainer, often done by a man to a woman"

My wife is an engineer. She could tell you all about it.
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Old 03-07-2020, 02:26 PM   #34 (permalink)
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Quote:
Originally Posted by oil pan 4 View Post
Thought they were claiming up to 10 times the capacity?

Here is a pretty good mansplanation as to why batteries as we know them can't hit 10 more capacity.
But 2 or maybe 3 times more capacity seems reasonable.

https://youtu.be/8RbwOhM6PUk
It would have to be radically different to get any where near 10 the capacity.
I haven't seen that yet.The atomic scientists mentioned a theoretical energy density cap,but I don't remember the specifics.
Doubling the current state-of-the-art would put a Model 3 Long Range at around 800-miles on a charge,and the top-tier Cybertruck at 1,000.
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Old 03-07-2020, 05:00 PM   #35 (permalink)
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Density, we talking power to weight or power to volume?
Batteries are always going to to score pretty horrible in both you will need several things to make a battery work.
A structure to make up the anode, cathode and electrolyte. Then that will go in some kind of cell container. Those cells will need conductors to to connect them together. Then those conductors and cells will need support structures to hold them in place. Putting it all in a water tight box is a pretty good idea. And should probably add a cooling system if you want it to last a long time.
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Old 03-07-2020, 05:54 PM   #36 (permalink)
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density

Quote:
Originally Posted by oil pan 4 View Post
Density, we talking power to weight or power to volume?
Batteries are always going to to score pretty horrible in both you will need several things to make a battery work.
A structure to make up the anode, cathode and electrolyte. Then that will go in some kind of cell container. Those cells will need conductors to to connect them together. Then those conductors and cells will need support structures to hold them in place. Putting it all in a water tight box is a pretty good idea. And should probably add a cooling system if you want it to last a long time.
The way I'm interpreting the claim is,that at a given volume and mass,the new technology would provide twice the kWh rating.So a replacement pack would double whatever came out.
Goodenough said his new Lithium tech wouldn't catch fire, wouldn't require imported cobalt,and would use powdered glass.Sounds pretty sweet!
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Old 03-07-2020, 06:02 PM   #37 (permalink)
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Yeah about that, the lithium won't catch fire, but if it starts smoking from damaged cells and water gets put on it there will be a hydrogen fire.
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Old 03-08-2020, 05:32 PM   #38 (permalink)
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Yup it is the organic electrolyte that burns. Not sure if the lithium is an oxide most of the time.
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Old 03-08-2020, 08:55 PM   #39 (permalink)
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I'm sure the coal that the anode is made of burns pretty good too.
A lot of lithium compounds still react violently with water.
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Old 03-11-2020, 06:16 PM   #40 (permalink)
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Yeah about that, the lithium won't catch fire, but if it starts smoking from damaged cells and water gets put on it there will be a hydrogen fire.
I suppose that battery makers will do all they can to manufacture a 'safe' product.After it leaves the factory though,there's no telling how creatively stupid users can behave.We never lost a crew member in an SR-71.
The Space Shuttle Challenger was safe until non-engineers were given authority over launch go-no-go.

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