Is there any hope of mining bauxite in Hawaii today. No. It was possible half a century ago when environmental sensitivities had not yet formed. For the record, the USA has meager bauxite reserves. Papua New Guinea, Australia and Vietnam have more than half of the world supply. Interestingly enough, aluminum is back as a mentioned future battery prospect.
3. In Germany, the fluoride battery.
4. France has a fluorine battery being investigated.
5. Flow batteries.
6. Thin film batteries.
Next Generation Batteries Conference to be held from April 30 - May 1 this year in Boston would be worthy of your consideration.