1. Department of Materials and Technologies for Storage and Conversion of Energy Federal State Research and Design Institute of Rare Metal Industry (Giredmet JSC) 2 Elektrodnaya ul. Moscow 111524 Russia
2. Institute of Natural Sciences and Mathematics Ural Federal University named after the First President of Russia B. N. Yeltsin 19 Mira st. Ekaterinburg 620002 Russia
3. Laboratory of Electron Microscopy Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of the RAS 59 Leninskiy Prospekt Moscow 119333 Russia
4. Department of Materials Science Bauman Moscow State Technical University 5/1 2nd Baumanskaya st. Moscow 105005 Russia