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Title: Atomically dispersed catalysts for oxygen reduction reaction
Authors: Zhang, Jincheng
Keywords: Science::Chemistry
Issue Date: 2022
Publisher: Nanyang Technological University
Source: Zhang, J. (2022). Atomically dispersed catalysts for oxygen reduction reaction. Doctoral thesis, Nanyang Technological University, Singapore.
Abstract: Single atom catalysts (SACs) are promising candidates to replace Pt as the oxygen reduction reaction (ORR) catalysts. However, the selectivity, activity and stability of SACs are not yet satisfactory now. Modulating the coordination environment of SACs is an efficient strategy to promote the performance of SACs. In the first work, guided by the theoretical calculation, a hierarchical and freestanding Co single atom electrode was design and showed excellent performance for H2O2 production in a practical device. In the second work, sulfur was introduced into the second coordination sphere of Fe single atom and a direct methanol fuel cell (DMFC) was demonstrated. In the third work, Mn was chosen as the metal center to prevent Fenton reaction occurred in Fe single atom, and sulfur doping was further utilized to boost the activity, and Zn-air battery was also estabilished.
DOI: 10.32657/10356/164149
Schools: School of Chemistry, Chemical Engineering and Biotechnology
Rights: This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).
Fulltext Permission: embargo_20250106
Fulltext Availability: With Fulltext
Appears in Collections:CCEB Theses

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