Notoriously Secretive EV Battery Companies Begin to Open Up
Solid Power’s 22-layer, 20Ah all solid-state lithium metal cell compared to the company’s first-generation 10-layer, 2Ah cell. Photo: © Solid Power For the whole of the 140-year history of automotive batteries, researchers and their bosses have tended to secrecy. Even when forced to say something as a requirement of government or private funding, the default has been half-truths, and sometimes less. The main reason for all the hiding has been sincere: Batteries are hard and victories over the physics rare; usually you have nothing great to tell, and when you do, you want to hold it close...