Ostroumov Igor Gennad'evich RussiaSaratov Research Institute of Organic Technology, Inorganic Chemistry and Biotechnology, 239 B. Sadovaya St., Saratov 410005, Russiaпрофессордоктор химических наукigo1962@mail.ru0000-0002-8700-0120 Author's articles Flow batteries based on organic redox-systems for large-scale electric energy storage