2020
DOI: 10.1002/batt.202000037
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O/N Co‐Doped, Layered Porous Carbon with Mesoporosity up to 99 % for Ultrahigh‐Rate Capability Supercapacitors

Abstract: Ultrahigh-rate capability supercapacitors that can tolerate charging/discharging at ultrahigh current density are particularly attractive for high-power applications. At present, mesopore-engineering and heteroatom-doping have been proven to be the effective ways for concurrently enhancing energy density and rate capability. Herein, we report the fabrication of O/N-codoped mesoporous carbons with ultrahigh mesoporosity and well-defined mesopores by one-step Na 2 CO 3-activation of covalent triazine-based frame… Show more

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Cited by 15 publications
(14 citation statements)
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References 67 publications
(202 reference statements)
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“…Figure 2b shows that all FNCs possess pore sizes of ∼0.28 and 3.7 nm. The microporous structure (<2 nm), which may be mainly derived from the unordered stacking layers of the precursors, is believed to maximize the capacitance originated from the contribution of EDLC, 8,18,19 while mesopores (2−50 nm) are expected to provide larger channels for ion exchange and thus…”
Section: Resultsmentioning
confidence: 99%
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“…Figure 2b shows that all FNCs possess pore sizes of ∼0.28 and 3.7 nm. The microporous structure (<2 nm), which may be mainly derived from the unordered stacking layers of the precursors, is believed to maximize the capacitance originated from the contribution of EDLC, 8,18,19 while mesopores (2−50 nm) are expected to provide larger channels for ion exchange and thus…”
Section: Resultsmentioning
confidence: 99%
“…V meso (cm achieve preferable rate performance. 8,18,19 The specific surface areas and porosity of the FNCs are summarized in Table 1.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Therefore, it is necessary to find a low dosage and effective activating agents to produce as‐targeted characteristic porous carbon. To date, several less corrosive pore‐forming agents have reported such as Na 2 CO 3 , [20] Na 2 S 2 O 4 , [21] K 2 C 2 O 4 , [22] and COOK, [23] etc. to overcome the abovementioned issues [24,25] .…”
Section: Introductionmentioning
confidence: 99%
“…The surface chemistry of carbon-based materials can be easily modified to improve the binding properties. Consequently, doping or co-doping with different heteroatoms (N, S, P) (Wei et al, 2019;Liu et al, 2020;Ma et al, 2020; makes the carbon-based materials exhibit further enhancement of the electrocatalytic activity. Owing to these diversified functions of carbon-based materials, they have been intensively used to ameliorate the challenges of LMBs (Zuo et al, 2018;Xue et al, 2019;Huang et al, 2020).…”
Section: Introductionmentioning
confidence: 99%