Big Battery will find a way to kill this! /s
That may be an important consideration. Battery manufacturers survive on people buying replacements for batteries that wear out. If you can continually re-charge the ones you have, you will never need to replace them.
However, there is another consideration. Re-charging older batteries that are more and more resistant to taking a charge is when they are more likely to over-heat and catch fire. It strikes me that these longer life batteries would not be prone to that problem because they would not develop the resistance. Ergo, far fewer fires. Safer.
Also, I think being non-liquid, you could make them more compact and of different shapes. This means engineers could find better ways to fit them in smaller places in devices such as our phones and other devices. That means more battery in our devices for longer lasting devices.
In vehicles, more batteries could be placed in nooks and crannies. . . adding more capacity which translates to more mileage per charge.
Mr. President!!! We Must Not Allow An Electrolyte Gel GAP!!!!