FeS deposited on 3D-printed carbon microlattices as free-standing electrodes for lithium-ion batteries.

We introduce free-standing FeS/carbon microlattice composites as electrodes for lithium-ion batteries through 3D printing. The computer-aided design allows for any shape. The microlattice features aligned microchannels, promoting ion transfer, while the carbon skeleton facilitates electron transfer. Overall, this study shows 3D printing is highly promising in advancing sustainable energy applications.