In-situ Electrochemically Activated Stainless Steel-Derived NiFe Hydroxide for Highly Efficient and Stable Oxygen Evolution Reaction

Key Points

• This study aims to enhance the activity and stability of NiFe hydroxide for oxygen evolution reactions.
• Dual in-situ electrochemical activation of stainless steel-derived NiFe hydroxide.
• Continuous supply of Fe ions from stainless steel to improve durability.
• Evaluation of catalytic performance through electrochemical testing.
• Durability improved by a factor of 6 for NiFe hydroxide.
• Significantly enhanced electrochemical performance observed during oxygen evolution.
• Successful integration of the activation method demonstrated an increase in efficiency.