1,000 cycles does not seem like much to me.
Make that at least 100,000 and I may begin to be interested.
For a cell phone, that’s almost three years. Most cell phones are probably only able to recharge half its potential in three years.
If they combine this with a battery Instead about that was made out of common materials, you may have something that is worth looking at.
https://newatlas.com/energy/aluminum-sulfur-salt-battery-fast-safe-low-cost/