Electrostatically Guided Covalent Architectures for Stable Hydrogen Evolution at Ampere‐Level Current Densities in Acidic Media

Key Points

• The aim is to develop stable covalent architectures for efficient hydrogen evolution at high current densities in acidic conditions.
• Designed hierarchical covalent structures to improve conductivity and bubble management.
• Evaluated performance over 150 hours at a cell voltage of 2.03 V.
• Assessed scalability of the electrocatalysts for ampere-level operation.
• Achieved stable hydrogen evolution with a cell voltage of 2.03 V for over 150 hours.
• Demonstrated significant improvements in conductivity and durability under acidic conditions.
• Showed effective bubble management during the hydrogen evolution process.