Publication date: 22nd July 2026
Waste carbon and nitrogen vectors can serve as fundamental building blocks for the synthesis of important chemicals for the energy, manufacturing, and agricultural industries. Their charged reactive character (e.g., in bi/carbonates and nitrates) offers a wide cross-reactivity landscape and access to high-value, complex carbon-nitrogen chemicals through co-electrolysis. Realizing this potential is challenged by overlapping thermodynamics and kinetics involving long sequences of multielectron/proton transfers. I will present our recent mechanistic insights on carbonate and nitrate supported reactions, including coelectrolysis, based on operando probes. I will further show how active control of the electrochemical interface and environment in these reactions enables advances in selectivity and other performance metrics. To conclude, I will offer a brief broader overview of different Solar Fuel technologies.
ICFO thanks CEX2024-001490-S and PID2022-138127NA-I00 (MCIN/AEI/10.13039/501100011033), Fundació Cellex, Fundació Mir-Puig; Fundación Ramón Areces (CIVP21S13318); the European Union: NASCENT (101077243) and ICONIC (101115204); PCI2023-143410 project funded by MCIN/AEI/ 10.13039/501100011033 and by the European Union within the M-ERA.NET 3 (958174). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Innovation Council and SMEs Executive Agency (EISMEA). Neither the European Union nor the granting authority can be held responsible for them.
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