B. K. Ostafiychuk, M. I. Kolkovskyi, B. I. Rachiy, P. I. Kolkovskyi, N. Y. Ivanichok, and R. V. Ilnitsky, “Accumulation charge mechanisms in electrochemical systems formed based on activated carbon and manganese oxide”, Phys.Chem.Sol.State, vol. 21, no. 1, pp. 27–34, Mar. 2020.