electrochemical stability

The search for solvents to prepare polymer electrolytes based on polyurethane elastomer by swelling method was carried out. The greatest swelling was observed in N-methyl-2-pyrrolidone, and the maximum degree of swelling was reached in 24 hours at 25°C. The swelling effect decreased with increasing the salt concentration. The ionic conductivity of the polymer electrolytes reached the maximum of 6–8·10-4 S/cm at 5 wt% of lithium salt.

УДК 544.65+621.355.9

DOI:  https://doi.org/10.18500/1608-4039-2016-16-1-30-33

Electrochemical stability of aluminum in 0.5М NaPF6 solutions in mixtures of ethylene carbonate – dimethylcarbonate – propylene carbonate and ethylene carbonate – dimethylcarbonate – diethylcarbonate has been studied with cycling voltammetry. The reality of aluminum using as current-collector in negative electrode of sodium-ion batteries is declared.