New carbon structures with nanorange voids geometry for highly efficient capacitance and pseudo-capacitance energy storage - I. I. Hryhorchak; A. K. Borysiuk; Ya. Shvets; A. I. Kondyr; F. O. Ivashchyshyn; O. V. Balaban; A. S. Kurepa (Materials Science (Physicochemical mechanics of materials), 2015)