@sdmoores: Tesla will require a one year stockpile of #graphite for the Gigafactory
#Benchmark2015
@sdmoores: @wouterboer03 it's a gd q. Of all battery graphite produced, 65% is natural, 35% synthetic.
Most producers blend. Tesla is seeking natural
@sdmoores: Tesla looking at silicon additive in its anode materials. Still v much R&D and 2 years away min. We think up to 15% silicon, 85% #graphite
