LG Chem has kept up its relentless pressure to become the world’s top provider of EV batteries with the announcement of a $3 billion investment in a cathode materials plant at Clarksville, Tennessee – which it claims will be the largest in the US. It certainly needed it. LG Chem is the brand that tends to make the cathode materials, LG Energy Solution the completed battery cells, and that rough division of labor is more or less the same at its home in South Korea. It is building global capacity for a huge landgrab on battery manufacturing – having promised to spend $48 billion chasing this dream back in February. This cathode materials factory will potentially provide as many as…