Tin anodes have the potential to be used in a wide range of energy storage applications, from consumer electronics to electric vehicles. Tin has been identified by the Massachusetts Institute of Technology as the most. Imagine a metal that can handle extreme heat, store energy like a champ, and even make your phone battery last longer. While lithium and cobalt steal headlines, tin's working backstage to solve some of our biggest power storage. Fourth Power, a Boston-based startup backed by Breakthrough Energy Ventures, is betting on molten tin and thermophotovoltaics to reshape how we store and dispatch electricity. Their pitch: a thermal battery that operates at 2,400 C and costs one-tenth as much as lithium-ion. The high theoretical capacity of tin anodes is a significant advantage, as it enables the development of batteries with higher energy density. However, plating uses, once.