Cracking the Code: Reaction Pathways in CO₂ Electrolysis

In this AI-generated episode of The Zero Emission Zone, we explore a cutting-edge study that evaluates the most promising carbon capture and utilization (CCU) processes using a new Sustainable Feasibility Index (SFI). The researchers rigorously model and assess eleven CCU pathways—like acetic acid, formic acid, and calcium formate—based on environmental, economic, and market factors. Tune in to find out which technologies are truly viable for a net-zero future.https://doi.org/10.1016/j.rser.2025.115331

In this AI-generated episode of The Zero Emission Zone, we break down a 2025 perspective by Seger et al. on the dominant reaction mechanisms in CO₂ electrolysis. From C1 to elusive C3 products, this work synthesizes computational and experimental data into a coherent map of how CO₂ transforms into fuels and chemicals on copper catalysts. Listen in as we explore the formal rules that may unlock cleaner fuel production through electrified chemistry.https://doi.org/10.1021/acsenergylett.4c03599

In this episode of The Zero Emission Zone, we explore how platinum distribution within PEM fuel cell cathodes impacts the measurement of proton transport resistance. Drawing from new research by Mehrazi et al. at Bosch, we unpack why measuring at the right potential is crucial—and how impedance spectroscopy can double as a diagnostic tool for catalyst aging. AI-generated summary based on the published journal paper.https://doi.org/10.1149/1945-7111/adc344

In this AI-generated episode, we explore a recent study on lithium-ion battery aging under real-world automotive conditions. Using a P2D model and optimization techniques, researchers trace how key physical parameters evolve during use—revealing mechanisms like electrolyte breakdown and positive electrode cracking. The findings not only enhance our understanding of battery degradation, but also help validate diagnostics through post-mortem analysis. Read the full paper here: https://doi.org/10.1016/j.etran.2025.100410

In this episode of The Zero Emission Zone, we explore how engineered gold electroplating on titanium porous transport layers (PTLs) significantly improves corrosion resistance and efficiency in PEM water electrolyzers. Learn how optimized rotation during plating enhances durability and lowers voltage losses—insights from cutting-edge research at the Hydrogen Research Institute.Episode content generated by AI. Read the full paper here: https://doi.org/10.1016/j.ijhydene.2025.02.047

How do you measure corrosion in radioactive environments? In this episode, we explore a recent study that demonstrates the long-term stability of silver/silver chloride quasi-reference electrodes under gamma radiation—critical for electrochemical monitoring in nuclear waste storage. This AI-generated summary dives into how these electrodes stand up to extreme conditions, enabling safer infrastructure through better data.https://doi.org/10.1016/j.elecom.2025.107919

This episode explores a breakthrough in visualizing hydrogen storage mechanisms using in situ 4D-STEM. Researchers demonstrate subnanometer strain mapping in palladium nanocubes during hydride formation under 1 bar of hydrogen, offering new insight into nanoscale hydrogen absorption. This episode’s summary is AI-generated.https://doi.org/10.1021/acs.nanolett.5c00702

In this episode of The Zero Emission Zone, we explore how electrocatalysis can unlock a sustainable future for chemical manufacturing using abundant C2 and C3 hydrocarbons. Inspired by past breakthroughs and powered by modern clean electricity, researchers are reimagining how we convert ethane and propane into essential chemicals. This AI-generated summary breaks down the mechanisms, catalyst innovations, and reactor strategies behind this promising path toward decarbonization. Read the full journal article here. https://doi.org/10.1021/acscatal.5c00393

Discover how in-line continuous flow Raman spectroscopy is revolutionizing our understanding of electrochemical interfaces. This episode explores a new technique for tracking interfacial pH dynamics during water electrolysis under realistic operating conditions. Tune in to learn how this innovation advances the design of more efficient electrolyzers. Content generated by AI.https://doi.org/10.1021/acsenergylett.5c00582

In this episode of The Zero Emission Zone, we explore a groundbreaking electrochemical method to convert nitric oxide (NO)—a major pollutant—into concentrated nitric acid (HNO₃) at near-ambient conditions using carbon-based catalysts. This AI-generated summary breaks down how the process achieves high Faradaic efficiency, operates without added electrolytes, and presents a sustainable path for decentralized chemical manufacturing.https://doi.org/10.1038/s41929-025-01315-8