Gorbacheva N. F. RussiaSaratov The Saratov State Agricultural University of N. I. Vavilov, 1, Teatralnaya Square, Saratov, 410012 Author's articles Hermetically sealed storage batteries: state of the art, problems, andoutlooks Composition and structure of passive layers on lead and multicomponent lead alloys surface under the anodic oxidation in 4.8M sulfuric acid solution