Semykin A. V. RussiaSaratov Saratov State University, 83, Astrakhanskaya St., Saratov, 410012 Author's articles Influence of file active mass composition and discharging conditions on the electrochemical performance of the negative electrodes of nickel-cadmium storage batteriecadmium storage batteries Hydrogen ionization on a nickel oxyhydroxide electrode of sealed alkaline batteries Nickel-hydrogen rechargeable electrochemical systemsю Part 1 Development of technological principles for designing a valve-regulated Ni-MH battery of the NMG type Nickel-hydrogen rechargeable electrochemical systems. Part 3 Nickel-hydrogen rechargeable electrochemical systems. Part 2