Highly (110)-Oriented Co1-xS Nanosheet Arrays on Carbon Fiber Paper as High-Performance and Binder-Free Electrodes for Oxygen Production

Ordered (110)-oriented Co1-xS nanosheet arrays on carbon fiber paper (CFP) are prepared by a one-step electrodeposition. The Co1-xS/CFP electrode not only enhances the oxygen evolution reaction performance, eta = 0.328 V (10 mA cm(-2)) and Tafel slope at about 48.5 mV dec(-1), but also has excellent durability. Due to its high activity and facile preparation, the binder-free Co1-xS/CFP electrode shows great potential in replacing noble metal catalysts for water splitting.