首页|High efficiency UOR electrocatalyst based on crossed nanosheet structured FeCo-LDH for hydrogen production
High efficiency UOR electrocatalyst based on crossed nanosheet structured FeCo-LDH for hydrogen production
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NSTL
To improve efficiency of hydrogen production,other anodic reactions with lower theoretical potential like urea oxidation reaction(UOR)to replace OER were explored.Herein,we synthesized FeCo layered double hydroxide(FeCo-LDH)in situ on nickel foam(NF)that had excellent OER and UOR catalytic ability and durability.The good catalytic performance can be attributed to the special crossed nanosheet structured FeCo-LDH with large specific surface area,rapid electron transfer.At the current density of 50 mA cm~(-2),the overpotential is 228 mV during OER,and the voltage value is 1.353 V vs.RHE during UOR.When FeCo-LDH was used as electrocatalyst,the voltages required for water and urea electrolysis to reach the current density of 10 mA cm~(-2)are 1.523 V and 1.409 V,respectively.The strategy of constructing FeCo-LDH on NF plays an important role in high efficiency hydrogen production,and has great application prospects in sustainable energy efficient conversion.
NSTL
