20% STH in solar driven water electrolysis by endowing charge transfer path between LDH layers and optimizing oxygen absorption state in noble-metal free NiFe- LDH electrodes

Key Points

• To improve the performance of nickel-iron layered double hydroxide (NiFe-LDH) in solar driven water electrolysis by enhancing charge transfer and oxygen absorption.
• Investigated the structure of NiFe-LDH electrodes.
• Optimized the interaction between layers for better charge transfer.
• Analyzed electrical conductivity improvements in the electrodes.
• Achieved 20% increase in efficiency for solar driven water electrolysis.
• Demonstrated significant improvement in electrocatalytic activity for oxygen evolution.
• Enhanced electrical conductivity facilitated better performance of NiFe-LDH electrodes.