Comment Lithium Titanate batteries are not new. (Score 1) 395
The existing variations on this tech are faster to charge because of increased interactive surface area, but they have less energy density.
As trade offs go, this puts more of a strain on the charging infrastructure, as you get batteries that charge faster, but need it more frequently. If this tech can increase the lifespan, it could bring prices down, but I would prefer to get my cake (high energy density) and eat it too (high charge/discharge currents possible).
http://en.wikipedia.org/wiki/Lithium%E2%80%93titanate_battery