Impact-resistant polyurea coating that senses damage in real time
Peer-Reviewed Publication
Updates every hour. Last Updated: 25-Jan-2026 14:11 ET (25-Jan-2026 19:11 GMT/UTC)
Under formaldehyde-acetic acid condensationreaction conditions, the V4+ phase (VO)2P2O7 remains stable, while V5⁺ phases transform due to lattice oxygen loss. They ultimately form a reduced V4⁺ phase (R1-VOHPO4), which can reversibly convert back into an intermediate αII-VOPO4 phase.Different phases play distinct roles in the reaction, collectively determining catalytic performance.
Carbon dioxide, as a greenhouse gas, is expected to be converted into other useful substances by the electrocatalytic CO2 reduction reaction (CO2RR) technology. The electrocatalytic cell, or electrochemical cell, used to provide the experimental environment for CO2RR plays an irreplaceable role in the study of this process and determines the success or failure of the measurements. In recent years, electrolytic cells that can be applied to in-situ/operational synchrotron radiation (SR) characterization techniques have gradually gained widespread attention. However, the design and understanding of electrolyte systems that can be applied to in-situ/operational SR technologies are still not sufficiently advanced. In this paper, the electrocatalytic cells used to study the CO2RR processes with in-situ/operando SR techniques are briefly introduced, and the types and characteristics of the electrolytic cells are analyzed. The recent advancements of in situ/operando electrolytic cells are discussed using X-ray scattering, X-ray absorption spectroscopy (XAS), light vibration spectroscopy, and X-ray combined techniques. An outlook is provided on the future prospects of this research field. This review facilitates the understanding of the reduction process and electrocatalytic mechanism of CO2RR at the atomic and molecular scales, providing insights for the design of electrolysis cells applicable to SR technologies and accelerating the development of more efficient and sustainable carbon negative technologies.