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Redefining CO2 Electrolysis Stability via Pseudo-Steady-State
- CO₂ electrolysis is a transformative technology converting carbon dioxide into valuable chemicals, key for sustainable energy.
- Electrochemical reactor stability challenges stem from catalyst and component degradation over time, hindering commercialization.
- The concept of stability evolves to pseudo-steady state, acknowledging gradual decline rather than perpetual pristine performance.
- CO₂ electrolysis research focuses on transient and pseudo-steady-state degradation mechanisms for prolonged device lifetime.
- Complex catalyst architectures and electrochemical environment dynamics contribute to catalyst degradation in CO₂ electrolysis.
- Degradation also affects supporting components like gas diffusion layers, electrolytes, and membranes, necessitating integrated analysis.
- Advanced operando techniques and computational modeling aid in understanding degradation mechanisms and enhancing durability.
- Reframing stability as a dynamic operational window allows for adaptive control strategies to counterbalance degradation effects.
- The redefined stability concept guides realistic expectations for commercializing CO₂ electrolysis technologies.
- The shift towards pseudo-steady-state operation promises to accelerate innovation in electrochemical technologies, impacting various sectors.
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