The journal Electrochemical Materials and Technologies will publish a Special Issue (No. 4), containing articles prepared by the First All-Russian Congress on High-Temperature Electrochemistry participants on the basis of their oral and poster presentations. Manuscripts submitted in accordance with the journal's guidelines for authors (https://elmattech.ru/about/submissions#authorGuidelines) will be accepted for consideration until November 15, and will undergo all stages of the journal's standard peer review process. The completed Special Issue will be published by the end of 2026.