The structure and electrochemical properties of the products of the thermochemical transformation of aspen modified and unmodified with zinc chloride have been studied. It is shown that the addition of ZnCl₂ to the lignin-cellulose mass leads to a significant increase of the specific surface area up to 1800 m^2.g^-1 of ​​the carbonized product and the formation of ZnO crystalline phase.

The influence of the conditions of material synthesis and electrolyte concentration (1M and 3M KOH) on the shape of voltammetric curves was revealed by cyclic voltammetry. It is established that aspen wood after prolonged exposure in water can be successfully used to produce porous carbon electrode materials.