The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Facile Ammonia Synthesis from Electrocatalytic N2 Reduction under Ambient Conditions on N-Doped Porous Carbon
Abstract
Ammonia has been used in important areas such as agriculture and clean energy. Its synthesis from the electrochemical reduction of N 2 is an attractive alternative to the industrial method that requires high temperature and pressure. Currently, electrochemical N 2 fixation has suffered from slow kinetics due to the difficulty of N 2 adsorption and N≡N cleavage. Here, N-doped porous carbon (NPC) is reported as a cost-effective electrocatalyst for ammonia synthesis from electrocatalytic N 2 reduction under ambient conditions, where its N content and species were tuned to enhance N 2 chemical adsorption and N≡N cleavage. The resulting NPC was effective for fixing N 2 to ammonia with a high ammonia production rate (1.40 mmol g –1 h –1 at −0.9 V vs RHE). Experiments combined with density functional theory calculations revealed pyridinic and pyrrolic N were active sites for ammonia synthesis and their contents were crucial for promoting ammonia production on NPC. The energy-favorable pathway for ammonia synthesis was *N≡N → *NH═NH → *NH 2 –NH 2 → 2NH 3 .
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Metadata
- Authors
- Liu, Y., Su, Y., Quan, X., Fan, X., Chen, S., Yu, H., Zhao, H., Zhang, Y., & Zhao, J.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-01-17
- Volume
- 8
- Issue
- 2
- Pages
- 1186-1191
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2781713722
- Cited by
- 578
- References
- 32
- FWCI
- 21.14
- Type
- journal article
- Language
- en
- Open access
- closed
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