article published yes Nomnotho Jiyane author Carla Santana Santos author Igor Echevarria Poza author fbae1d3b-8142-11ed-8927-a8cf34feb495 Mario Palacios Corella author 452e82c6-803f-11ed-ab7e-ca0439e73a5d Muhammad Adib Abdillah Mahbub author Gimena Marin-Tajadura author Thomas Quast author Maria Ibáñez author 43C61214-F248-11E8-B48F-1D18A9856A870000-0001-5013-2843 Edgar Ventosa author Wolfgang Schuhmann author MaIb department The determination of the intrinsic properties of solid active material candidates is essential for their performance optimization. However, macroscopic electrodes and related analytical techniques show challenges concerning the number of additional influencing parameters. We explore recessed microelectrodes (rME) as a platform that allows for a binder-free investigation of Prussian Blue analogues (PBA), a family of promising battery materials. The enhanced diffusion using microelectrochemical tools is indispensable to assess the intrinsic material performance, overcoming the limitation of cation diffusion from the electrolyte to the solid interface during (dis)charging cycles and allowing the investigation of limiting steps in the coupled ion-electron transfer process. The intrinsic electrochemical performance of PBAs was studied in a three-electrode configuration by means of cyclic voltammetry and galvanostatic (dis)charging in aqueous Na+-containing electrolyte. We extended the evaluation to the role of the electrolyte on the performance of cathodic and anodic processes of a Mn-based PBA. Ex-situ and operando chemical characterization were coupled to support the microelectrochemical results. https://research-explorer.ista.ac.at/download/18881/19568/2025_Batteries_Jiyane.pdf application/pdfno https://creativecommons.org/licenses/by-nc/4.0/ Wiley2025 eng 2566-6223 00140236920000110.1002/batt.202400743 83 Jiyane N, Santana Santos C, Echevarria Poza I, et al. Recessed microelectrodes as a platform to investigate the intrinsic redox process of Prussian blue analogs for energy storage application. <i>Batteries &#38; Supercaps</i>. 2025;8(3). doi:<a href="https://doi.org/10.1002/batt.202400743">10.1002/batt.202400743</a> N. Jiyane, C. Santana Santos, I. Echevarria Poza, M. Palacios Corella, M.A. Abdillah Mahbub, G. Marin-Tajadura, T. Quast, M. Ibáñez, E. Ventosa, W. Schuhmann, Batteries &#38; Supercaps 8 (2025). Jiyane, Nomnotho, Carla Santana Santos, Igor Echevarria Poza, Mario Palacios Corella, Muhammad Adib Abdillah Mahbub, Gimena Marin-Tajadura, Thomas Quast, Maria Ibáñez, Edgar Ventosa, and Wolfgang Schuhmann. “Recessed Microelectrodes as a Platform to Investigate the Intrinsic Redox Process of Prussian Blue Analogs for Energy Storage Application.” <i>Batteries &#38; Supercaps</i>. Wiley, 2025. <a href="https://doi.org/10.1002/batt.202400743">https://doi.org/10.1002/batt.202400743</a>. Jiyane, Nomnotho, et al. “Recessed Microelectrodes as a Platform to Investigate the Intrinsic Redox Process of Prussian Blue Analogs for Energy Storage Application.” <i>Batteries &#38; Supercaps</i>, vol. 8, no. 3, e202400743, Wiley, 2025, doi:<a href="https://doi.org/10.1002/batt.202400743">10.1002/batt.202400743</a>. Jiyane, N., Santana Santos, C., Echevarria Poza, I., Palacios Corella, M., Abdillah Mahbub, M. A., Marin-Tajadura, G., … Schuhmann, W. (2025). Recessed microelectrodes as a platform to investigate the intrinsic redox process of Prussian blue analogs for energy storage application. <i>Batteries &#38; Supercaps</i>. Wiley. <a href="https://doi.org/10.1002/batt.202400743">https://doi.org/10.1002/batt.202400743</a> N. Jiyane <i>et al.</i>, “Recessed microelectrodes as a platform to investigate the intrinsic redox process of Prussian blue analogs for energy storage application,” <i>Batteries &#38; Supercaps</i>, vol. 8, no. 3. Wiley, 2025. Jiyane N, Santana Santos C, Echevarria Poza I, Palacios Corella M, Abdillah Mahbub MA, Marin-Tajadura G, Quast T, Ibáñez M, Ventosa E, Schuhmann W. 2025. Recessed microelectrodes as a platform to investigate the intrinsic redox process of Prussian blue analogs for energy storage application. Batteries &#38; Supercaps. 8(3), e202400743. 188812025-01-26T23:01:50Z2026-02-16T12:15:59Z