2018
DOI: 10.1016/j.jpowsour.2018.01.020
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Refining cocoon to prepare (N, S, and Fe) ternary-doped porous carbon aerogel as efficient catalyst for the oxygen reduction reaction in alkaline medium

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Cited by 68 publications
(24 citation statements)
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“…For a 4e ORR, I lim should be a fixed value in a particular concentration solution at 1600 rpm on a 5 mm working electrode, such as 5.277 mA cm −2 for 0.5 M H 2 SO 4 , 6.332 mA cm −2 for 0.1 M HClO 4 , and 5.968 mA cm −2 for 0.1 M KOH (The parameters were listed in support information). However, the experimentally measured I lim for 4e ORR are quite different among various literatures under the same experimental conditions, no matter on Pt/C catalysts or non‐noble metal catalysts, as shown in Figure . It is noteworthy that most measured I lim are lower than the theoretical value, and some are even only half of the theoretical value.…”
Section: Introductionmentioning
confidence: 68%
“…For a 4e ORR, I lim should be a fixed value in a particular concentration solution at 1600 rpm on a 5 mm working electrode, such as 5.277 mA cm −2 for 0.5 M H 2 SO 4 , 6.332 mA cm −2 for 0.1 M HClO 4 , and 5.968 mA cm −2 for 0.1 M KOH (The parameters were listed in support information). However, the experimentally measured I lim for 4e ORR are quite different among various literatures under the same experimental conditions, no matter on Pt/C catalysts or non‐noble metal catalysts, as shown in Figure . It is noteworthy that most measured I lim are lower than the theoretical value, and some are even only half of the theoretical value.…”
Section: Introductionmentioning
confidence: 68%
“…The CV curves of the CeO 2 @Fe,S,N−C NPs in O 2 and N 2 ‐saturated 0.1 M KOH aqueous solution were firstly collected to illustrate the catalytic properties of the sample, as shown in Figure a. No significant cathodic reduction peak is detected in the N 2 ‐saturated electrolyte, but a well‐defined cathodic peak emerges in the O 2 ‐saturated electrolyte, indicating the high sensitivity of CeO 2 @Fe,S,N−C towards ORR . The peak potential of CeO 2 @Fe,S,N−C is 0.87 V, equivalent or even higher than the measured values of other samples (Table and Figure S6), suggesting it has the pronounced activity.…”
Section: Resultsmentioning
confidence: 99%
“…As a supporting material, carbon aerogel can supply a 3D porous and electrically conductive network for fast mass transport and electron transfer, and large surface area for the depositing and avoiding the ripening and aggregation of active particles . Besides, the carbon aerogels themselves can be used as functional materials through the defect design and heteroatom doping …”
Section: Preparation and Classification Of Aerogelsmentioning
confidence: 99%