Journal
JOURNAL OF ENERGY CHEMISTRY
Volume 68, Issue -, Pages 826-834Publisher
ELSEVIER
DOI: 10.1016/j.jechem.2021.12.021
Keywords
Ammonia synthesis; Electrochemical demonstrator; Electrocatalysis; Nitrogen reduction reaction; System-level energy and cost analysis
Funding
- Natural Sciences and Engineering Council of Canada
- Nation Natural Science Foundation of China [NSFC 21878162, 21872102]
- NSFC [52102311]
- Program for Guangdong Introducing Innovative and Entrepreneurial Teams [2019ZT08L101]
- Special Fund for the Sci-tech Innovation Strategy of Guangdong Province [210629095860472]
- Shenzhen Natural Science Foundation [GXWD20201231105722002-20200824163747001]
- Shenzhen Key Laboratory of Eco-materials and Renewable Energy [ZDSYS20200922160400001]
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Bridging laboratory research and practical utilization is crucial for developing green ammonia synthetic technologies. A decentralized photo-assisted electrochemical-based demonstrator has been proposed, which uses defect-laden WO3 as the working electrode and a commercial PV panel for renewable electricity. System-level energy and cost analysis reveal its economic viability, enabling the integration of small-scale green ammonia demonstrators into standalone farm systems.
Bridging laboratory research and practical utilization is of crucial importance for the development of green ammonia synthetic technologies. A decentralized photo-assisted electrochemical-based demonstrator has been proposed for green ammonia synthesis from renewable electricity, air and water, where well-known defect-laden WO 3 is used as the working electrode, and a commercially available PV panel supplies renewable electricity. In this demonstrator, defect-laden WO3 exhibits the optimum electrochemical NH3 formation rate (4.51 x 10(-12) mol s(-1) cm(-2)) in 0.1 M K 2 SO 4 in a photovoltaic electrochemical (PV-EC) system. A system-level energy and cost analysis was conducted to investigate its economic viability and a general evaluation tool for system performance and cost estimation was proposed. This advance enables the possibility of integrating the small-scale green ammonia demonstrator into a stand-alone farm system. (C) 2021 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
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