UK Man Invents Aluminum-Air Battery in His Garage
cleantechnica.com
cleantechnica.com
>[Author’s note: A Google search for “Austin Electric Essex UK” failed to turn up any information or website for the company. The photos in the Daily Mail story are proprietary and cannot be republished by CleanTechnica, but nothing prevents you from reading the Daily Mail story yourself. I have guests from the UK staying with me at the moment and they suggest the Daily Mail may not enjoy the highest reputation for journalistic excellence.]
Link to the Daily Mail article:
https://www.dailymail.co.uk/news/article-7592485/Father-eigh...
Once the reaction is complete, you end up with basically aluminum ore that has to be re-refined, at great energy cost.
My guess is that this is highly inefficient and will not turn out to be very useful.
What you have here (potentially) is solar storage that can be shipped in ingots