Ultra-Small Anatase Nanoparticles for Energy Applications
Abstracts of EMRS Spring Meeting 2023
Mairis Iesalnieks, Mārtiņš Vanags, Andris Šutka

Considering the ever-increasing world demand for energy and the negative consequences of climate change, it is necessary to pay more attention to the development of renewable energy resources. Recently, a lot of emphasis has been placed on renewable ways of obtaining electricity such as solar, wind, and thermal, however, taking into account their volatility, there is a need for intermittent energy storage. Nowadays most commonly used intermitted storage medium is lithium-ion batteries, however, due to the high cost and scarcity of lithium it’s not suitable for large-scale applications. One way is to use hydrogen as a storage medium. For now, only 4% of wolds hydrogen is produced using electrolysis. Decoupled electrolysis has major benefits in comparison with traditional electrolysis methods which increases the need for low-cost high-capacity electrode materialsSurfactant has a significant role in TiO2 capacity in acidic conditions. TiO2 capacity increases by 50 % without surfactant and is 166.68 F/g compared to 118.03 F/g. In alkaline conditions, differences can’t be observed. In comparison with P25 pure TiO2 capacity is increased by 2.4 times in acidic conditions. Major factors for this difference are particle size and a rutile crystal phase with a lower gravimetric capacity. Cycle times haven’t significantly changed even after 500 cycles.

Atslēgas vārdi
Decoupled electrolysis; H2 generation; TiO2

Iesalnieks, M., Vanags, M., Šutka, A. Ultra-Small Anatase Nanoparticles for Energy Applications. No: Abstracts of EMRS Spring Meeting, Francija, Strasbourg, 29. maijs-2. jūn.., 2023. Online: 2023, 1.-2.lpp.

Publikācijas valoda
English (en)
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