Nanoporous metals are often fabricated from bimetallic alloys via selectively dissolving one of the chemical elements of the alloy. Porous metals can feature superior mechanical properties per unit mass, as well as high surface areas. Because of the unique mechanical and structural properties, porous metals have a variety of applications, including radiation shields, electrocatalysts, sensors, and as electrode materials for batteries. Recently, An et al. found that dealloyed silicon with a nanoporous structure can overcome mechanical degradation during cycling in lithium batteries, resulting in significantly improved capacity retention of the electrode during cycling [1]. Although this finding is useful and attractive for energy storage devices, scaled production of porous materials has remained a challenge because of fabrication difficulties such as fracture of the monolith and diffusion limitations. Here, we examine the dealloying process of lithium metal alloys, and we show the controlled chemical dealloying can lead to the large-scale fabrication of a variety of different porous metals (in particular, Sn and In). Lithium is chemically alloyed with different low-melting point metals at relatively low temperature (< 300 °C), and the lithium is then removed by controlled exposure to different solvents for various times. Because Li-rich alloys contain 60-75 atomic % lithium, removal of lithium results in the formation of porous structures with continuous ligaments a few microns in size for the cases of In and Sn. X-ray diffraction showed that the lithium was completely removed after dealloying, and crystalline oxide formation was minimal. Interestingly, other lithium alloys (ex. Li-Bi, Li-Sb) do not form continuous ligaments under similar conditions; instead, the metal structures collapse and pulverize to form particles. The porous metals fabricated here were used as anodes in different types of lithium-based batteries, and overall volume changes of the electrodes were found to be less substantial than pure metals, with promising cycling performance. This work demonstrates a simple chemical method for creating porous metals that may find beneficial use for battery electrodes, as well as other applications. An, W. et al. Scalable synthesis of ant-nest-like bulk porous silicon for high-performance lithium-ion battery anodes. Nat. Commun. 1–11 (2019). doi:10.1038/s41467-019-09510-5