2016
DOI: 10.1039/c6ta02673g
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Molten salt synthesis of nitrogen doped porous carbon: a new preparation methodology for high-volumetric capacitance electrode materials

Abstract: Here, a novel and one-step molten salt synthesis of three-dimensional, densely nitrogen-doped porous carbon (NPC) material by using low-cost and eco-friendly tofu as the nitrogen-containing carbon source is proposed.

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Cited by 184 publications
(71 citation statements)
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“…The lag rings are quite obvious and belong to type H4 hysteresis loop (H4 is slit hole, common in activated carbon, so the existence of activated carbon mesoporous is proved 34 ). 35,36 The properties are further analyzed in the later tests. The nitrogen adsorption capacity of the samples activated with potassium bicarbonate is higher than that without potassium bicarbonate, and PC-3 in the figure shows the maximum adsorption capacity.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The lag rings are quite obvious and belong to type H4 hysteresis loop (H4 is slit hole, common in activated carbon, so the existence of activated carbon mesoporous is proved 34 ). 35,36 The properties are further analyzed in the later tests. The nitrogen adsorption capacity of the samples activated with potassium bicarbonate is higher than that without potassium bicarbonate, and PC-3 in the figure shows the maximum adsorption capacity.…”
Section: Resultsmentioning
confidence: 99%
“…35,36 Simultaneously, the existence of microporous accessible to electrolyte ions is essential for high energy storage. This may be ascribed to the graded porous structure of the material.…”
Section: Resultsmentioning
confidence: 99%
“…The high‐resolution O 1S spectra of SSC (Figure S3a, Supporting Information) and PC 10‐700‐3 (Figure S3c, Supporting Information) are deconvoluted into three peaks located at about 531.7, 533.1, and 534.4 eV, corresponding to CO, CO, and COOR, respectively . The N 1S spectrum of SSC (FigureS3b, Supporting Information) and PC 10‐700‐3 (Figure S3d, Supporting Information) could be fitted to four peaks, representing the N bonding of pyridinic‐N (N‐6, at 399.2 eV), pyrrolic‐N (N‐5, at 400.1 eV), quaternary‐N (N‐Q, at 400.8 eV), and pyridine‐N‐oxide (N‐X, 402.1 eV), respectively . The contact angle represents the wettability, and Figure S4, Supporting Information, shows the photographic images of water droplets on the surfaces of the SSC and PC 10‐700‐3 electrodes.…”
Section: Resultsmentioning
confidence: 99%
“…. . tion of biomass material itself has abundant nitrogen element, such as soyabean [129,130], okara [96], tofu [131], crab and shrimp shells [49,132,133], oatmeal [22], endothelium corneum gigeriae galli [115], silk [98], chitosan [100], potato waste residue [134], palm-leaf [135], grlatin [35], algae [122]. The nitrogen content in these biomass-derived carbon is generally more than 4%.…”
Section: Surface Chemistrymentioning
confidence: 99%
“…All the characteristics strongly suggest that biomass-derived carbon could be qualified for the electrode of supercapacitors. To date, various biomass-derived carbon materials with high SSA, abundant pore structure and modified functional groups have been prepared, such as the stems [87,102,157,[177][178][179], leaves [34,90,101,103,126], seeds [48,77,79,154], fructus [180][181][182], pericarp [88,89] of plants, nut shells [94,143,[183][184][185], fungi [53,109,[186][187][188], abandoned food [96,131,189], shellfish [49,72,133], animal tissue [112,115,124], polysaccharide [44,85,147,155,190], protein [137].…”
Section: Biomass-derived Carbon Materials For Energy Storage Applicatmentioning
confidence: 99%