Title: High Entropy Alloys for Hydrogen Storage Applications
Authors: Mohammed, Zaid Ahmed
Kučerová, Ludmila
Citation: KUČEROVÁ, Ludmila ed.; JIRKOVÁ, Hana ed.; JENÍČEK, Štepán ed. Proceedings PING Junior 2021 - Modern Trends in Material Engineering 13–16 September 2022, Pilsen. 1. ed. Pilsen: University of West Bohemia, 2021, p. 18-19. ISBN 978-80-261-1042-2 .
Issue Date: 2021
Publisher: University of West Bohemia
Document type: conferenceObject
konferenční příspěvek
URI: http://hdl.handle.net/11025/46339
Keywords: hydridy kovů;slitiny s vysokou entropií;skladování vodíku
Keywords in different language: metal hydrides;High Entropy Alloys;hydrogen storage
Abstract in different language: Metal hydrides are promising candidates for hydrogen storage over the past four decades. However, there is considerable variation in their thermodynamics resulting in inhibiting to achieve desired levels of volumetric and gravimetric capacity along with the kinetics and cycling of uptake and release of hydrogen. While alloying/ doping and nanoscaling can destabilize these hydrides to improve kinetics along with volumetric and gravimetric capacity, it has generally been difficult sofar to design a metal hydride that satisfies the delicate trade-off between appropriate thermodynamic stability and sufficiently high capacity (in addition to other desirable features like fast kinetics of dehydrogenation, reversibility, etc.). A relatively new class of materials known as high entropy alloys (HEAs), which find its way to many aplications, have recently been investigated as hydrogen storage materials. Beacuse of its four-core effect, HEAs demonstrated outstanding hydrogen-to-metal ratios (H/M > 2) and reversible weight capacities. In this lecture, we focus on the fundamentals of HEAs and how HEAs are proving to be better candidates for hydrogen storage applications relative to other metal hydrides.
Rights: © University of West Bohemia
Appears in Collections:Proceedings PING 2021: modern trends in material engineering
Proceedings PING Junior 2021 - modern trends in material engineering

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