Carbon supported Pd-Pt-Cu nanocatalysts for formic acid electrooxidation: Synthetic screening and componential functions

- Synthetic methods are screened for PdPtCu/C electrocatalysts.
- Pd20Pt1Cu10/C obtained with polyol reduction yields highest electrocatalysis.
- Quasi core-shell structure with Cu-enriched core and Pd-Pt segregated shell.