Electrochemical Ammonia Synthesis - The Selectivity Challenge. Singh, A. R., Rohr, B. A., Schwalbe, J. A., Cargnello, M., Chan, K., Jaramillo, T. F., Chorkendorff, I., & Nørskov, J. K. ACS Catalysis, 7:706-709, 2017.
doi  abstract   bibtex   
It is notoriously difficult to electrochemically reduce N 2 at ambient conditions. With such a process, one could use renewable electricity to make ammonia (NH 3) for fertilizers efficiently at the point of use, or use the NH 3 as a carbon-free hydrogen vector. From a thermodynamic perspective, electrochemical reduction is possible, but most attempts primarily produce hydrogen (H 2) and very little NH 3 . We present a simple qualitative analysis to identify the origin of the problem. The analysis also points to strategies that may be employed to increase the NH 3 selectivity substantially.
@article{Singh2017,
   abstract = {It is notoriously difficult to electrochemically reduce N 2 at ambient conditions. With such a process, one could use renewable electricity to make ammonia (NH 3) for fertilizers efficiently at the point of use, or use the NH 3 as a carbon-free hydrogen vector. From a thermodynamic perspective, electrochemical reduction is possible, but most attempts primarily produce hydrogen (H 2) and very little NH 3 . We present a simple qualitative analysis to identify the origin of the problem. The analysis also points to strategies that may be employed to increase the NH 3 selectivity substantially.},
   author = {Aayush R. Singh and Brian A. Rohr and Jay A. Schwalbe and Matteo Cargnello and Karen Chan and Thomas F. Jaramillo and Ib Chorkendorff and Jens K. Nørskov},
   doi = {10.1021/acscatal.6b03035},
   issn = {21555435},
   issue = {1},
   journal = {ACS Catalysis},
   pages = {706-709},
   title = {Electrochemical Ammonia Synthesis - The Selectivity Challenge},
   volume = {7},
   year = {2017},
}

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