It's my understanding that aluminum-air batteries are long on range, but are short on venture capital.
Scientists are looking for ways to increase the investor density.
Scientists are looking for ways to increase the investor density.
Errr ? Doesnt that imply you would need 10kg of cells to provide 1 kW of power ?JohnAnanda said:There's often a catch with newly announced technologies, like a low energy density or other parameters, but here they claim a power of 110kW/kg and energy density of 630Wh/kg !.....
TheBeastie said:Youtube horse-shit claims videos like we have seen over the last 13 years.
spinningmagnets said:Scientists are looking for ways to increase the investor density.
TheBeastie said:Any of these tech Youtubers would jump at the chance to be even let into the cell makers lab to test just an engineering sample for an hour and make a video showing it do 100Wh from something the size of a matchbox etc.
But this never happens when it comes to battery technology..
Why would they bother with amature tech nerds, or even professional specialist consultants ?What I don't get about all these battery claims is in this day and age they should be able to provide a cell engineering sample that is still in their own lab but allow one of the 100s of tech YouTubers out there like Adam Savage etc to go into the lab with their own everyday watt-hour meter and just test the cell
According to the researchers, the cell will probably need $5 of electricity to extract 1 kilogram of lithium from seawater. This means that the value of hydrogen and chlorine produced by the cell would end up offsetting the cost of power, and residual seawater could also be used in desalination plants to provide freshwater.
If they are able to develop membranes for specific compounds, it makes now wonder if they can develop one that can separate plastics from water....neptronix said:.....If this works well, we're potentially looking at a noticeable drop in the price of lithium batteries.
To address this issue, the team led by Zhiping Lai tried a method that had never been used before to extract lithium ions. They employed an electrochemical cell containing a ceramic membrane made from lithium lanthanum titanium oxide (LLTO).
The ceramic membrane’s crystal structure contains holes just wide enough to let lithium ions pass through while blocking larger metal ions
In a paper published in the journal Energy & Environmental Science, the researchers explain that the membrane’s crystal structure contains holes just wide enough to let lithium ions pass through while blocking larger metal ions.
speedmd said:"Rust" battery for grid storage. Interesting, low cost potential solution. https://formenergy.com/technology/battery-technology/
Hillhater said:3.8ah from an 18650 .. Well i guess any increase is better than none,....
I know storage will be essential for the effective use of wind and solar , but can you name any state , regeon, or country that has a SURPLUS of solar or wind energy ?neptronix said:I can see where a huge, cheap, shitty battery could be useful. IE if you have a surplus of solar or wind energy, capturing 65% of it is better than 0.
speedmd said:I am not finding claimed efficiency nor any hydrogen production.
Efficiency. An iron-air battery has an open circuit cell voltage of about 1.28V and a theoretical energy density of 764 Wh/kg. While the current densities are at least an order of magnitude higher than would be used for discharge of batteries for grid-scale electrical storage, there is a 0.5V difference between the charge and discharge voltages. This difference in charge/discharge voltages arises mainly from the poor performance of the air electrode. This voltage loss contributes significantly to the low round-trip efficiency of 50% of current iron-air batteries, 20% loss of capacity in 14 days, and 10% loss of faradic charge efficiency.
Hillhater said:...
I know storage will be essential for the effective use of wind and solar , but can you name any state , regeon, or country that has a SURPLUS of solar or wind energy ?