Now we can get live updates on the lithium battery megafactory tracker by benchmark mineral intelligence. Click on the battery cell tab. Currently 109 megafactories in the pipeline over the next 10 years with a total annual capacity of 2,152 GWh.
https://www.benchmarkminerals.com
According to Rodney Hoopers estimates this should result in 1,721,600 tonnes of theoretical yearly additional lithium demand at 100% capacity utilization, I assume with lithium demand he means LCE (lithium carbonate equivalent)