The Sodium-Pectate Nickel Carbonized Complexes as Electrocatalysts for the Hydrogen Evolution Reaction. - Gainullin, R. R.; Kozlov, A. V.; Soloviev, E. A.; Drobyshev, S. V.; Galeeva, E. I.; Ivshin, Ya. V.; Minzanova, S. T.; Budnikova, Yu. H.; Kadirov, M. K. (Russian Journal of Electrochemistry, 2026)