Alkali-Metal Batteries False-color image of heat-treated carbon foam after getting in contact with sodium-potassium alloy. The alloy spontaneously coats parts of the carbon structure and fills some of its pores. Photograph by Johannes Baller, image processing by Gustav Graeber. More information can be found in the Research Article by Gustav Graeber and co-workers (10.1002/adfm.202523169).
Baller et al. (Thu,) studied this question.