This document describes a new type of battery that is safer and longer lasting than current lithium-ion batteries. It works by using sodium ions rather than lithium ions and two different metals as the electrodes. Sodium ions are able to flow more freely between the electrodes, allowing the battery to charge and discharge faster while lasting for many more cycles than lithium-ion batteries before breaking down. This new battery design has the potential to revolutionize battery technology by providing a safer and more effective alternative to lithium-ion batteries.