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1篇 您的检索式:作者名="Abdul Hannan Asif"
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1Controllable synthesis of a hollow Cr2O3 electrocatalyst for enhanced nitrogen reduction toward ammonia synthesis显示文摘As a fascinating alternative to the energy-intensive Haber-Bosch process,the electrochemically-driven N_(2) reduction reaction(NRR)utilizing the N_(2) and H_(2)O for the production of NH3 has received enormous attention.The development and preparation of promising electrocatalysts are requisite to realize an efficient N_(2) conversion for NH3 production.In this research,we propose a template-assisted strategy to construct the hollow electrocatalyst with controllable morphology.As a paradigm,the hollow Cr_(2)O_(3) nanocatalyst with a uniform size(~170 nm),small cavity and ultrathin shell(~15 nm)is successfully fabricated with this strategy.This promising hollow structure is favourable to trap N_(2) into the cavity,provides abundant active sites to accelerate the three-phase interactions,and facilitates the reactant transfer across the shell.Attributed to these synergetic effects,the designed catalyst displays an outstanding behaviour in N_(2) fixation for NH3 production in ambient condition.In the neutral electrolyte of 0.1 mol·L^(-1) Na_(2)SO_(4),an impressive electrocatalytic performance with the NH3 generation rate of 2.72μg·h^(-1)·cm^(-2) and a high FE of 5.31%is acquired respectively at-0.85 V with the hollow Cr_(2)O_(3) catalyst.Inspired by this work,it is highly expected that this approach could be applied as a universal strategy and extended to fabricating other promising electrocatalysts for realizing highly efficient nitrogen reduction reaction(NRR).Lei Shi Yu Yin Hong Wu Rajan Arjan Kalyan Hirani Xinyuan Xu Jinqiang Zhang Nasir Rafique Abdul Hannan Asif Shu Zhang Hongqi Sun 2022Chinese Journal of Chemical Engineering2022,35,1:1
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