Comments by "Andy Dee" (@AndyViant) on "Undecided with Matt Ferrell" channel.

You'd have to sort out something for insulation as a bare minimum. Not every product is suitable for every environment.
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Zinc Bromine batteries are especially useful in high temperature environments, not facing all the heat (and fire) issues that plague LiFePO4. Redflow really target that household to small grid size (up to container sized, but linkable and scalable) and are very good at what they do. For a household, small medium business even up to a neighborhood scale solution they are probably the best product out there right now, and the fire safety aspect is a real concern in our Aussie heat. Gelion seems to place themselves in a good intermediate ground with the transportability and safety, but without the energy density I'm not sure that transportability is that big a win. However, being able to be built in a similar way to normal AGM batteries may be a huge advantage on cost and also may suit mobile power applications like caravans down the track. For stationary power stuff another old tech - Edison batteries may well be a great option too. Time proven. Lifespan measured in generations, not years, and the higher charge discharge rates are great for drawing current from them, and common elements. Self discharge is a problem as they leak about 2% charge a day, but in an application where they're getting recharged on a daily basis that's really a non issue. Weight is a big thing though. Stationary applications only, just like the RedOx flow batteries. Really, I think Lithium based batteries have a place, especially right now in mobile phone or automotive applications where the highest density is the critical goal. But over time as charging infrastructure becomes more readily available, speed of recharge, number of charging cycles before failure, cost, and availability of chemicals are all going to be far more important than that charge density.
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@randybobandy9828 if you can recharge 70 times faster than current tech (like solid state can do) do you still need to pay for more range, and carry more, bigger batteries? We don't drive around in fuel tankers to get maximum range. There is a point where range versus refuelling speed matches out.
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@randybobandy9828 the amount of power provided over an hour, the difference between the 250kw supercharger version and the 150kw version is minimal because the battery management and the battery itself cannot actually cope. The measured difference in real world charging time between 150kw and 250 kw tesla systems on a model 3 was like 2 minutes. So clearly they can't charge anywhere near the 250kw claimed rate, because the battery chemistry limits it. ChaDeMo 3.0 is rated to up to 900kw, which is up to 6 times faster than Tesla. Yet greater speeds are possible when battery technology (or size) is improved. As far as how much power is theoreticaly possible, how much kw do you think a 2x25kv 400 Amp Catenary wire can deliver? This isn't fantasy technology, it's a standard that is used by electrified transport right now. So can we recharge much faster? Yes we can, even without capacitor based charging.
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