Petrenko Elena Mikhailovna RussiaMoscow Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071старший научный сотрудникканд. техн. наукel-02@mail.ru Author's articles Methodical maintenance impedance spectroscopy for lithium chemical power sources Electrochemical activity of the cathodes with chemical coatings Ni-S-Fe Electrochemical activity of the electrodes with electrocatalytic coatings Electrochemical activity of the cathodes with platinum or platinum-palladium electrocatalysts for alkaline water electrolysis Development of the effective ways of the activation of the anodes for water electrolysis Controllable Restoration of Lithium Primary Batteries to Stable State Diagnosis of Primary Chemical Power Sources by Noise Spectroscopy with Wavelet Analysis Diagnosis of Primary Chemical Power Sources by Noise Spectroscopy with Fourier Transforms