Stimulating the Lewis acidity of Pt–O–Co bridges via vacancy engineering for efficient hydrogen evolution in seawater

Key Points

• The aim is to enhance the Lewis acidity of Pt–CoO catalysts for improved hydrogen evolution in seawater.
• Mechanistic analysis of Pt–CoO x and Pt–CoO catalysts.
• Assessment of Lewis acidity in relation to catalytic performance.
• Enhanced hydrogen evolution rates observed with optimized Pt–CoO catalysts.
• Improved efficiency noted through vacancy engineering techniques.