Kadnikova N. V. RussiaSaratov Saratov State University, 83, Astrakhanskaya St., Saratov, 410012 Author's articles Oxygen and hydrogen ionization on the working electrodes of the lead-acid battery The sealed nickel-cadmium accumulator of KGL300P with electrodes of lamella construction Optimization of the active mass composition of electrophoretic cadmium electrodes