Toshiba uses titanium for it’s super rapid charging lithium titanate cells. So yeah it’s already in use. 6 min charges times that’s 10C and 20,000 cycles it’s little wonder it’s used in things like busses that charge at stops at the end of routes while the driver has mandatory breaks.
https://www.global.toshiba/ww/products-solutions/battery/scib.html
Makes sense since titanium has Oxidation States of +2,+3 and +4...................