Ponomarev Ivan Igorevich RussiaMoscow Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071research associateCandidate of Chemistry Sciencesle_mur_64@ineos.ac.ru Author's articles Pyrolized polyacrylonitrile as a feasible electrode material for electrochemical power sources