Mn-Incorporated High-Entropy Quaternary Sulfide CoNiFeMnS for Efficient Electrocatalytic Oxygen Evolution Reaction

Key Points

• The research aims to enhance the kinetics of the oxygen evolution reaction using a novel Mn-incorporated high-entropy quaternary sulfide catalyst.
• Utilized electrochemical water splitting to assess catalyst performance.
• Synthesized Mn-incorporated CoNiFeMnS with high entropy properties.
• Compared the performance of the new catalyst against traditional noble-metal catalysts.
• Demonstrated significantly improved OER kinetics compared to noble-metal benchmarks.
• Achieved greater efficiency in hydrogen production from water splitting with the new catalyst.