Zheltonozhko O. V. RussiaYekaterinburg Institute of high-temperature Electrochemistry UB of RAS, 20, Akademicheskaya St., Yekaterinburg, 620990 Author's articles Investigation of transport in ternary lithium nitrides Li5TiN3, Li5SiN3 and oxynitrides Li9TiN3O2, Li9SiN3O2