Energy Storage
Energy
Geopolitics
China’s Iron Flow Battery Breakthrough Threatens $150B Lithium Storage Market
All-iron chemistry at 1/80th lithium cost and 16+ year lifespan challenges Western supply chain dominance as grid-scale storage economics shift.
Energy
Markets
Coal Country’s Second Act: Abandoned Mines Become Grid Batteries
As lithium supply chains tighten and renewable integration strains the US grid, underground gravity batteries and compressed-air systems turn stranded industrial assets into domestic energy storage infrastructure.