Dyshlovaya Yaroslava Aleksandrovna RussiaРостов-на-Дону Southern Federal University, 7 Zorge St., Rostov-on-Don 344090, Russiaаспирантyaroslava.poiminova@gmail.com0000-0003-2227-2325 Author's articles Composite C/MnO₂ electrodes for electrochemical capacitors based on water electrolyte