fig8
![Recent advances in nanoscale engineering of Pd-based electrocatalysts for selective CO<sub>2</sub> electroreduction to formic acid/formate](https://image.oaes.cc/f25e5c85-9815-4f5d-b9c5-2b9f75878984/em4088.fig.8.jpg)
Figure 8. (A) CO stripping measurement of PdH0.5/C and Pd/C[71]. (B) CO tolerance tests for PdH0.5/C at -0.4 V vs. RHE in CO2-saturated 0.1 M KHCO3 electrolyte[71]. (C) Reaction mechanism for HCOO- generation on PdH0.5/C catalysts[71]. Reprinted with permission. Copyright 2022, Elsevier[71]. (D) Calculated surface adsorption energies (eV) of HCOO* and *COOH on Pd(111) and