Journal of Inorganic Materials, Volume. 38, Issue 8, 954(2023)
Figures & Tables(18)
1. (a-f) SEM and (g-l) TEM images of carbon precursors with different P123/SDS mass ratios
2. (a-e) SEM and (f-j) TEM images of carbon precursors after hydrothermal treatment for different periods
3. Morphology regulation mechanism of the horseshoe- shaped hollow porous carbon precursors
4. (a) N2 adsorption-desorption isotherms and (b) pore size distribution curves of different samples
6. (a) XPS total survey and (b) wettability of HNCS-1.25-8, HNCS-1.25-12, HNCS-1.25-18, and HNCS-1.25-24
7. (a) CV curves at 5-100 mV∙s-1 and (b) GCD curves at 1-20 A∙g-1 of HNCS-1.25-12; (c) Specific capacitances and Coulombic efficiencies (inset) at 1-20 A∙g-1, (d) relationship between specific capacitance with diameter of cavity at 1 A∙g-1 and (e) Nyquist plots with equivalent circuit (inset) of different samples; (f) Cycling stability of HNCS-1.25-12
S2. (a, e) TEM images and (b-d) C, (f-h) O element mappings of (a-d) HNS-1.25-12 and (e-h) HNCS-1.25-12
S3. (a) Size distribution and Zeta potential, and (b) surface tension of micelle/emulsion in H2O
S5. (a) XRD patterns, (b) Raman spectra of HNS-1.25-12, HNCS-1.25-8, HNCS-1.25-12, HNCS-1.25-18, and HNCS-1.25-24
S6. (a) C1s and (b) O1s high resolution XPS spectra of HNCS-1.25-8, HNCS-1.25-12, HNCS-1.25-18 and HNCS-1.25-24
S7. (a) CV curves at 5 mV∙s-1 and (b) GCD curves at 1 A∙g-1 of different samples
S8. Electrochemical performance of different materials in two-electrode system
Table 1. Average diameters of particles, inner cavities, carbon walls, opening angles, and pH dependence of different samples
View tableView in ArticleTable 1. Average diameters of particles, inner cavities, carbon walls, opening angles, and pH dependence of different samples
Sample Average diameter of particle/nm Average diameter of inner cavity/nm Average diameter of carbon wall/nm Opening angle/(°) pH dependence HNS-1.25-0 - - - - 7.27 HNS-1.25-3 - - - - 3.53 HNS-1.25-8 110 60 25 48 3.35 HNS-1.25-12 140 80 30 63 3.32 HNS-1.25-18 230 40 95 39 3.25 HNS-1.25-24 300 0 150 0 3.18
Table 1. Textural parameters of different samples
View tableView in ArticleTable 1. Textural parameters of different samples
Sample Specific surface area, SBET/(m2·g-1) Micropore specific surface area, Smicro /(m2·g-1) Ratio of micropore, Smicro/SBET Total pore volume /(cm3·g-1) Pore volume of micropore/(cm3·g-1) Average pore size/nm HNS-1.25-12 9 - - 0.03 - 11.90 HNCS-1.25-8 619 590 95.32% 0.23 0.22 1.49 HNCS-1.25-12 611 581 95.09% 0.23 0.22 1.52 HNCS-1.25-18 617 550 89.14% 0.32 0.21 1.84 HNCS-1.25-24 588 518 88.10% 0.32 0.20 1.87
Table 2. Capacitive properties of doped-carbon materials reported in literature
View tableView in ArticleTable 2. Capacitive properties of doped-carbon materials reported in literature
Samples Capacitance/ (F·g-1) Current density/ (A·g-1) Electrolyte Ref. NMHCSS 240 0.2 6 mol∙L-1 KOH [ 9 ]HFC 238 0.5 6 mol∙L-1 KOH [ 10 ]Fe2O3@Gr-CNT/NF 114 1 2 mol∙L-1 KOH [ 11 ]BHPC 187 0.5 6 mol∙L-1 KOH [ 12 ]ACS 218 0.2 6 mol∙L-1 NaOH [ 13 ]N-MWCNTs 184 0.5 5 mol∙L-1 KOH [ 14 ]SC-ZN 263 0.5 6 mol∙L-1 KOH [ 15 ]PN-ECB 265 0.5 6 mol∙L-1 NaOH [ 16 ]NHPC 225 0.25 3 mol∙L-1 NaOH [ 17 ]BPCS 217 1 6 mol∙L-1 KOH [ 1 ]rGONS 200 0.5 6 mol∙L-1 KOH [ 18 ]HNCS-1.25-12 292 1 6 mol∙L-1 KOH This work
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Zhou XU, Yuxuan LIU, Junlin CHI, Tingting ZHANG, Shuyue WANG, Wei LI, Chunhui MA, Sha LUO, Shouxin LIU.
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Received: Nov. 28, 2022
Accepted: --
Published Online: Dec. 28, 2023
The Author Email: LUO Sha (luo.sha.85@163.com), LIU Shouxin (liushouxin@126.com)
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