2020
DOI: 10.1016/j.jpowsour.2020.228799
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Oxygen–nitrogen–sulfur self-doping hierarchical porous carbon derived from lotus leaves for high-performance supercapacitor electrodes

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Cited by 87 publications
(29 citation statements)
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“…After using the standard peak level of carbon monomer (generally 284.6 eV) as the reference peak for calibration, three peaks of ~284.6, ~285.3 and ~288.7 eV can be observed in the C 1s spectrum, and the corresponding functional groups are CÀ C, CÀ N and C=O, respectively. [21,40] From the high resolution O 1s spectra, it can be known that there are several oxygencontaining functional peaks of ~284.6, ~285.3 and ~288.7 eV can be observed in the C1s spectrum, and the corresponding functional groups are CÀ C, C-N and C=O, respectively. [21,40] From the high resolution O 1s spectra, it can be known that there are several oxygen-containing functional groups: C=O quinone functional group (~531.6 eV), CÀ OH phenol type or CÀ OÀ C ether type functional group (~532.8 eV) and À COOH (~535.3 eV).…”
Section: Materials Characterizationsmentioning
confidence: 99%
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“…After using the standard peak level of carbon monomer (generally 284.6 eV) as the reference peak for calibration, three peaks of ~284.6, ~285.3 and ~288.7 eV can be observed in the C 1s spectrum, and the corresponding functional groups are CÀ C, CÀ N and C=O, respectively. [21,40] From the high resolution O 1s spectra, it can be known that there are several oxygencontaining functional peaks of ~284.6, ~285.3 and ~288.7 eV can be observed in the C1s spectrum, and the corresponding functional groups are CÀ C, C-N and C=O, respectively. [21,40] From the high resolution O 1s spectra, it can be known that there are several oxygen-containing functional groups: C=O quinone functional group (~531.6 eV), CÀ OH phenol type or CÀ OÀ C ether type functional group (~532.8 eV) and À COOH (~535.3 eV).…”
Section: Materials Characterizationsmentioning
confidence: 99%
“…[21,40] From the high resolution O 1s spectra, it can be known that there are several oxygencontaining functional peaks of ~284.6, ~285.3 and ~288.7 eV can be observed in the C1s spectrum, and the corresponding functional groups are CÀ C, C-N and C=O, respectively. [21,40] From the high resolution O 1s spectra, it can be known that there are several oxygen-containing functional groups: C=O quinone functional group (~531.6 eV), CÀ OH phenol type or CÀ OÀ C ether type functional group (~532.8 eV) and À COOH (~535.3 eV). [14,41] From the N 1s spectrum, pyridine nitrogen (N-6), pyrrole nitrogen (N-5) and quaternary nitrogen (N-Q) can be analyzed, which are located at ~398.7 eV, ~400.1 eV and ~401.1 eV, respectively.…”
Section: Materials Characterizationsmentioning
confidence: 99%
“…Finalmente, o pó resultante foi resfriado à temperatura ambiente e lavado em solução de HCl (1M), água destilada até pH igual a 7, seco a 110 °C por 12 horas para obter carbonos porosos hierárquicos derivados de folhas de lótus. Como valores máximos, os carbonos ativados apresentam uma área superficial específica de 3.601 m 2 g -1 , com 99% da capacitância inicial retida após 10.000 ciclos, volume de poros de 2,44 cm 3 g -1 , com capacitância específica de 523 Fg -1 no eletrólito aquoso (6M) KOH (LIU et al, 2020).…”
Section: Síntese De Carbonos Porosos Derivados De Folhas De Lótusunclassified
“…Materiais de carbono poroso têm sido usados largamente como matéria-prima de eletrodo devido ao seu baixo custo, estrutura de poros bem desenvolvida, ótima estabilidade química e não agressividade ao ambiente (LIU et al, 2020;ZHANG et al, 2017;LI et al, 2020).…”
Section: Introductionunclassified
“…Finalmente, o pó resultante foi resfriado à temperatura ambiente e lavado em solução de HCl (1M), água destilada até pH igual a 7, seco a 110 °C por 12 horas para obter carbonos porosos hierárquicos derivados de folhas de lótus. Como valores máximos, os carbonos ativados apresentam uma área superficial específica de 3.601 m 2 g -1 , com 99% da capacitância inicial retida após 10.000 ciclos, volume de poros de 2,44 cm 3 g -1 , com capacitância específica de 523 Fg -1 no eletrólito aquoso (6M) KOH(LIU et al, 2020).…”
unclassified