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LiNa Energy has re-engineered Sodium-Metal-Chloride batteries using advancements in solid oxide fuel cell engineering and design with modern low-cost manufacturing methods.
  • Cobalt free -Cobalt is expensive to mine, typically slave labor is involved in Africa.
  • Lithium-free -Lithium is expensive to buy and not 100% environmentally friendly.
  • LiNa Energy can help maintain the electric grid; salt is a more abundant material, safer and cheaper than Cobalt and Lithium.

 

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Another day, another battery breakthrough. So many breakthroughs. It's only a breakthrough for me if it can be scaled for mass production and the cons don't outweigh the pros.
 

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But that quest has been beset with one big problem: dendrites.

Dendrites, whose name comes from the Latin for branches, are projections of metal that can build up on the lithium surface and penetrate into the solid electrolyte, eventually crossing from one electrode to the other and shorting out the battery cell. Researchers haven’t been able to agree on what gives rise to these metal filaments, nor has there been much progress on how to prevent them and thus make lightweight solid-state batteries a practical option.
While previously, some researchers thought that dendrites formed by a purely electrochemical process, rather than a mechanical one, the team’s experiments demonstrate that it is mechanical stresses that cause the problem.
What is needed instead is pressure along the plane of the plates, as if the sandwich were being squeezed from the sides. “What we have shown in this work is that when you apply a compressive force you can force the dendrites to travel in the direction of the compression,” Fincher said, and if that direction is along the plane of the plates, the dendrites “will never get to the other side.”
This research has provided more insight into how battery shorting dendrites form. Though a way to stop dendrites formation has not been discovered, possible ways dendrites could be neutralized by controlling growth direction has been demonstrated in the lab. Instead of the dendrites growing over from one pole of the battery to the other, they could be forced to grow sideways.

This raises the question, "why did the dendrites cross the road rather than travel down it?" Because of pressure being applied to both sides of the road. :)
 

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Flow battery cons: More expensive, take up more space, require more parts (tanks, pumps, components), add more weight. The fluids need servicing.

But they last like, 30 years, are non-flammable.

 
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