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Liquid Metal Battery for grid storage/solar time-shift

Posted: Jun 18 2018 6:26pm
by spinningmagnets
Not useful for ebikes, E-moto or EV cars, but...for grid storage?...this is sounding like the future, by a large margin. There are now solar panels that emphasize electrical generation in the UV range, so they can harvest energy even on a cloudy day.

Unusually affordable, and incredibly long-lasting, made from abundant elements...

https://www.youtube.com/watch?v=pDxegcZqx_8&t=1752s


Re: Liquid Metal Battery for grid storage/solar time-shift

Posted: Jun 19 2018 9:36pm
by zro-1
That is really awesome! I hope it becomes a reality.

Re: Liquid Metal Battery for grid storage/solar time-shift

Posted: Jun 20 2018 4:52pm
by Hillhater
But its not all roses !....
https://www.technologyreview.com/s/6080 ... -startups/
........EnerVault, which was developing what are known as flow batteries, put itself up for sale after failing to find additional investors in 2015. Later that year, liquid-metal battery startup Ambri laid off a quarter of its staff. Around that same time,.........

Re: Liquid Metal Battery for grid storage/solar time-shift

Posted: Jun 20 2018 8:28pm
by liveforphysics
Most of the molten metal elecrode and/or molten salt electrolyte stuff works phenomenally well both on paper and in a small test cell.

Then in practice the God's of corrosion tend to frown on letting scaled versions survive for long.

Re: Liquid Metal Battery for grid storage/solar time-shift

Posted: Jun 21 2018 2:23am
by KalSteve
The Redflow batteries in Australia look like they are working OK, with a few relatively minor teething problems.

https://redflow.com/

Re: Liquid Metal Battery for grid storage/solar time-shift

Posted: Jun 21 2018 9:43am
by parabellum
KalSteve wrote:
Jun 21 2018 2:23am
The Redflow batteries in Australia look like they are working OK, with a few relatively minor teething problems.

https://redflow.com/
Aren’t they flow batteries and not molten salt.

Re: Liquid Metal Battery for grid storage/solar time-shift

Posted: Jun 21 2018 6:49pm
by Hillhater
spinningmagnets wrote:
Jun 18 2018 6:26pm
Not useful for ebikes, E-moto or EV cars, but...for grid storage?...this is sounding like the future, by a large margin. There are now solar panels that emphasize electrical generation in the UV range, so they can harvest energy even on a cloudy day.

Unusually affordable, and incredibly long-lasting, made from abundant elements...

https://www.youtube.com/watch?v=pDxegcZqx_8&t=1752s
It seems Sadoway and MIT have not quite settled on exactly how to do this..
They are now experimenting with a metal mesh "membrane" between the molten layers..
http://news.mit.edu/2018/metal-mesh-mem ... nergy-0122
....But Sadoway and his team took a different approach, realizing that the functions of that membrane could instead be performed by a specially coated metal mesh, a much stronger and more flexible material that could stand up to the rigors of use in industrial-scale storage systems.
“I consider this a breakthrough,” Sadoway says, because for the first time in five decades, this type of battery — whose advantages include cheap, abundant raw materials, very safe operational characteristics, and an ability to go through many charge-discharge cycles without degradation — could finally become practical.
Note that final comment..."could finally become practical". ?