Publication date: 22nd July 2026
In this presentation, we will report on recent advances in our design and understanding of electrocatalytic interfaces and devices for efficient electrochemical CO2 valorization into value-added carbonaceous e-fuels and e-chemicals. We will present new in situ diagnostic tools to recognize and analyze cell failure modes in zero- and one-gap cell designs. Among them is the carbon crossover coefficient (CCC), the N2 bleed FE value, and the H2 crossover into the catholyte [1-4].
References:
[1] Brückner, S.; Bondarchuk, O.; Araújo, A.; Ju, W.; Cid, R.; Paz, E.; Krebs, F.; Soares, O.; Amorim, I.; Yu, Z. P.; et al. Failure mode diagnosis and stabilization of an efficient reverse-bias bipolar membrane CO2 to CO electrolyzer. Energ Environ Sci 2025, 18 (13), 6577-6586.
[2] Brückner, S.; Ju, W.; Strasser, P. Efficient Forward‐Bias Bipolar Membrane CO2 Electrolysis in Absence of Metal Cations. Advanced Energy Materials 2025, 15, 2500186.
[3] Brückner, S.; Feng, Q.; Ju, W.; Galliani, D.; Testolin, A.; Klingenhof, M.; Ott, S.; Strasser, P. Design and diagnosis of high-performance CO2-to-CO electrolyzer cells. Nature Chemical Engineering 2024, 1 (3), 229-239.
[4] Filippi, M.; Galotti, E.; Sahin, B.; Wiesner-Fleischer, K.; Magori, E.; Simon, E.; Fleischer, M.: Strasser, P.; H2 Crossover as a Descriptor for Degradation and Mass Transport in CO2 Electrolyzers, in review, 2026
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