Garkushin Aleksei Ivanovich RussiaSamara Samara State Technical University, 244, Molodogvardeyskaya St., Samara, 443100graduate studentbaschem@samgtu.ru Author's articles Volume Change When Melting Halides of s'-Elements and their Double Mixes: Analytical Description, Calculation and Interrelation Electrolytes for high-temperature chemical current sources: formation and research systems, composition and properties