One thing to remember as wellWhen it comes to the adoption of silicon over carbon most people forget that the existing infrastructure of battery manufacturers are set up to use powder! Wether thats carbon based, diamond based, or what ever any manufacturer is using a powder in their assembly lines. That means to adopt a higher energy yielding substance in the form of a powder is going to be very easy for any battery maker to just add to the system. They wont have to spend 10s of millions of dollars to retool and redesign their factory. This is why any other tech other then a powder tech is going to be perferred.
Regards