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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.9
- 수록면
- 592 - 602 (11page)
- DOI
- https://doi.org/10.1007/s13391-024-00496-x
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초록· 키워드
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Oxygen reduction reaction (ORR) is an important half-reaction in various energy devices such as fuel cells. Here, 2D dendriticFe/N co-doped carbon-based nanosheet composites (L-Fe-CNT@NCS-900) were obtained by high-temperature calcinationusing ZIF-L generated in the aqueous phase as a precursor and Vitamin C as a modifi er. It is found that the catalystscalcined at 900 possessed the large specifi c surface area and the pore size distribution graphs showed a narrow microporesize distribution centered at about 1.8 nm. Furthermore, the Fe-N-C species was detected, which further improved the ORRperformance as an active center. Thus, the L-Fe-CNT@NCS-900 calcined at 900 °C achieved the best ORR performance witha half-wave potential (E 1/2 ) of 0.85 V, and the hydrogen peroxide yield is only about 4% during the ORR process. Meanwhile,L-Fe-CNT@NCS-900 exhibited outstanding methanol resistance. This work proposes a new strategy for constructing anEfficient electrocatalysts for oxygen reduction reaction.
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