The world is awash this week with write-ups of German battery start up Theion, which is promising already to destabilize lithium ion batteries for Electric Vehicles – even before the industry has fully rolled out the technology. It says that because it has solved problems with the use of a lithium-sulfur cathode, that the inherent advantages of using this technology are suddenly on the near horizon. It plans a two year romp through making batteries at scale for first aerospace, then aircraft and air taxis and drones, then on to mobile phones and laptops, and finally will begin chasing the automotive sector in 2024. Most cars are either using lithium ion (NMC) or lithium iron phosphate batteries today, which are…