Ternary transition metal Co-Fe-Ni sulfide as a high-performance anode in microbial fuel cells.

ABSTRACT: The development of high-performance anode materials remains a critical challenge in advancing microbial fuel cells (MFCs). In this work, we present a novel strategy employing ternary transition metal Co-Fe-Ni sulfides to overcome the inherent trade-off between catalytic activity and structural stability commonly observed in conventional polymetallic sulfides. Through a facile one-pot solvothermal approach, we synthesized low-crystallinity CoFeNiS _x (Co-Fe-Ni) ternary sulfides with precisely tunable Co/Fe/Ni molar ratios. When integrated as an MFC anode, the optimized Co-Fe-Ni sulfide delivered a maximum power density of 3915 mW m^-2 using Escherichia coli (E. coli) as the biocatalyst, representing an 8.4% enhancement over its binary CoFeS _x

SUBMITTER: Guo Q 

PROVIDER: S-EPMC12780840 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature