Nizhnikovskii Evgenii Aleksandrovich RussiaMoscow Interdepartmental Scientific Council on Complex Problems of Physics, Chemistry and Biology at Presidium of RASscientific secretarynizhnikovsky@mail.ru Author's articles Reserve long-duration power supply provision for self- contained radio-electronic equipment Ensuring of explosion safety for lithium cells Chemical current sources use for power supplying of small radioelectronic equipment Microcalorimetry as non-destructive test for batteries A comparative study of modified oxidized graphite as material for the negative electrode of lithium-ionic cells Influence of current density on reversible and irreversible processes at lithium-to-graphite intercalation Dye Sensitized Solar Cell on the basis of nano-crystallized titanium dioxide as converters of solar energy