TY - JOUR T1 - Electrochemical impedance spectroscopy of battery systems, including sodium materials JO - Current Opinion in Electrochemistry UR - https://doi.org/10.1016/j.coelec.2025.101800 PY - 2026/02/01 AU - Liu R AU - Sinclair DC AU - West AR ED - DO - DOI: 10.1016/j.coelec.2025.101800 PB - Elsevier BV VL - 55 SP - 101800 EP - 101800 Y2 - 2026/02/20 ER -