100% it seems funding for Si nana particles is Government funds, investments by auto industry or Microsoft (guess just a good $$ for climate change) and early purchase by military for longer range drones. In short the hunger for more cost effective energy. Lots of folks interested.
The existing eco system for wind solar and grid batteries smells blood in the water from coal natural gas and oil. I think 90% reduction in costs in 12 years is a nice track record and maybe now the eco system is self sustaining. Not innovation but continuous improvement.
Of course that’s just energy.
VC love software so …