Electrocatalytic CO2 reduction has largely been limited to C1 and C2 products, especially at high current densities. Here, a Faradaic efficiency of 67% is reported for C3+ products from CO2 at 1.1 A cm−2 via a formaldehyde condensation mechanism on a phosphorus-rich copper catalyst.
- Minjun Choi
- Sooan Bae
- Jaeyoung Lee
