Development of high-entropy alloys (HEAs) for reversible hydrogen storage in solid materials

Key Points

• Reversible hydrogen storage capacity increases with high-entropy alloys under specific thermodynamic conditions.
• Significant improvements in hydrogen storage performance lead to a storage capacity of over 5 wt% for targeted alloys.
• Exploration of alloy compositions reveals optimal configurations using various elemental combinations for effective storage.
• This work supports the advancement of solid-state hydrogen storage technologies for sustainable energy applications.