 Abstract sodium metal anodes are highly promising for sodium ion batteries due to their low redox potential and high theoretical capacity. However, these anodes have difficulty achieving a long lifespan due to their infinite volume change, unstable SCI films, and sodium dendrite growth. In order to overcome these challenges, researchers developed an oxygen-doped carbon foam, OCF, derived from starch as an anode material. This foam provides abundant nucleation sites to guide the deposition of sodium metal, while its rich porosity and large specific surface area allow for efficient removal of the deposited sodium. Additionally, the presence of heteroatoms in the foam reduces the nucleation resistance of sodium metal, resulting in a more uniform, robust, and stable SCI layer. The use of OCF as an anode material allows for the development of a safe and commercially viable sodium metal anode. This article was authored by Xwayang Xway, Yijing Wang, Huadang Wu, and others. We are article.tv, links in the description below.