Search academic texts

Information × Registration Number 0226U001518, (0123U100316) , R & D reports Title New functional materials with nano- and submicron structure for components of "green" hydrogen energy popup.stage_title Вихідні дані до розробки технологічних процесів формування матеріалів з нано- та субмікронним структуруванням для компонентів "зеленої" водневої енергетики Head Maizelis Antonina O., Доктор технічних наук Registration Date 27-01-2026 Organization National Technical University "Kharkiv Polytechnic Institute" popup.description1 Development of effective electrocatalytic materials for hydrogen electrolyzers, protective coatings for harsh operating conditions and hydrogen-storage materials to ensure operational stability and reduce the resource consumption of components of "green" hydrogen energy popup.description2 The theoretical foundations of the electrochemical formation of multilayer catalytic materials without the use of precious or scarce metals for alkaline water electrolysis with an initial multilayer coating [(Zn-Ni-Cu)/(Zn-Ni-Cu-Ме(ОН)2)]n and subsequent dezincification have been developed. A methodology is developed for accelerated testing of the stability of electrodes for hydrogen evolution, which simulates the conditions of voltage fluctuations and power outages from renewable energy sources. For the first time, the possibility of periodic regeneration of electrode materials based on Zn-Ni-Cu alloys and their hydroxo compounds is determined. New methods have been developed for obtaining composite multilayer coatings [(Zn-Ni)base/(Zn-Ni)add]n-MWCNT and [(Cu-Zn)base(Cu-Zn)add]n-MWCNT] for longer operation in harsh conditions on parts of various nature, including steel and NdFeB magnetic alloy. For the first time, the conditions for the formation of single-phase quasi-crystalline coatings and crystalline approximant phases (in particular, 2/1-approximant) in Ti-Zr-Ni films obtained by magnetron sputtering followed by vacuum heat treatment have been experimentally established. The high potential of Ti-Zr-Ni quasi-crystalline materials as hydrogen storage media capable of reversibly absorbing significant amounts of hydrogen without the formation of brittle hydride phases, which ensures their structural stability during cyclic operation, has been confirmed. Scientific and technological prerequisites have been established for obtaining Mg–Si-based film materials, which are considered promising hydrogen storage media. The results obtained on the formation of Mg–Si film materials create a scientific and technological basis for further optimization of their hydrogen storage characteristics and reduction of hydrogen absorption/desorption temperatures. Product Description popup.authors Leonid Y. Konotopskyi Serhii V. Surovytskyi Daria L. Stepanova Mariia O. Bezverkha Viktor V. Hrevtsov Oleksandr I. Palamarchuk Kateryna A. Krasulevska Yelyzaveta O. Chernova popup.nrat_date 2026-01-27 Close