Shkerin S. N. RussiaYekaterinburg Institute of high-temperature Electrochemistry UB of RAS, 20, Akademicheskaya St., Yekaterinburg, 620990 Author's articles Chemical interaction in the cathode half-element of lithium ion batteries Conductivity of the zirconia-based solid electrolyte with grain size in submicron range Sintering of La0.88Sr0.12Ga0.82Mg0.18O2.85 ceramic