Electrocatalytic Nitrogen Reduction to Ammonia with Carbon Nanofiber/TiO2@CoS Heterostructures
Author Information
Author(s): Chang Zhenjun, Jia Fuxing, Ji Xingyu, Li Qian, Cui Jingren, Liao Zhengzheng, Sun Xiaoling
Primary Institution: College of Materials Science and Engineering, Jiangsu University of Science and Technology
Hypothesis
Can electrospun carbon nanofiber/TiO2@CoS heterostructures effectively catalyze nitrogen reduction to ammonia?
Conclusion
The study demonstrates that the CNF/TiO2@CoS composites can achieve a high ammonia yield and Faraday efficiency under ambient conditions.
Supporting Evidence
- The highest ammonia yield achieved was 4.61 × 10−11 mol s−1 cm−2 at −0.45 V vs. RHE.
- The highest Faraday efficiency recorded was 8.3% at −0.45 V vs. RHE.
- The CNF/TiO2@CoS composites showed excellent stability and selectivity for ammonia production without hydrazine by-products.
Takeaway
This study shows a new way to make ammonia from nitrogen using special materials that work well together, which could be better for the environment.
Methodology
The researchers prepared CNF/TiO2@CoS composites using electrospinning and hydrothermal methods, then tested their electrocatalytic performance in a controlled electrochemical setup.
Limitations
The study does not address the scalability of the synthesis process for industrial applications.
Digital Object Identifier (DOI)
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