The design of efficient electrocatalyst can reduce nitrogen to produce ammonia under mild conditions, which can not only meet the needs of people's life, but also reduce greenhouse gas emissions. At present, my main research content is doping metal and N atom on graphene substrate as the active center of electrocatalyst, considering the influence on nitrogen fixation properties from two aspects of the coordination mechanism between doped atom and substrate and the coordination environment of doped atom, and using machine learning method to linearly fit its activity and selectivity, to find out the key descriptors.<br>
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