Fabrication of NiCo2S4 nanoball embedded nitrogen doped mesoporous carbon on nickel foam as an advanced charge storage material

pH‐Dependent Aqueous Solution‐Grown Highly Nanocrystalline Nickel Cobalt Sulfides (NiCo2S4)

“…BJH analysis reveals that the pore size range is broad, which again supports the interpretation of BET analysis of NCS12. BET surface area is estimated to be 27.8 m 2 /g, which is comparable to other reports 16 …”

“…The Co 2p spectra exhibit 778.7 eV and 793.7 eV, which are attributed to Co 2p 3/2 and Co 2p 1/2 , respectively. The energy difference between two Co 2p peaks is 15.5 eV, which reflects differences in Co valence (Co 3+ and Co 2+ ) 16b . For the core‐level spectra of S 2p, the peaks at 161.3 eV and 162.5 eV are related to S 2p 3/2 and S 2p 1/2 (Figure 6(d)), which are typical peaks that originate from the sulfides bound to transition metal ions 17 .…”

NiCo2S4‐Based Composite Materials for Supercapacitors

“…Rao et al. reported the fabrication of a composite comprised of NiCo 2 S 4 nanoballs and nitrogen doped mesoporous carbon (NMC) nanosheets, and studied the supercapacitive performances of the synthesized NiCo 2 S 4 @NMC composite . The NiCo 2 S 4 @NMC composite showed a capacitance of 2017 F g −1 at 3 A g −1 , and 88 % capacitance was retained after 5000 cycles.…”

Electrodeposited Stable Binder‐Free Organic Ni(OH)2 Flexible Nanohybrid Electrodes for High‐Performance Supercapacitors

“…The bands between 1600–1700 cm −1 correspond to amide carboxyl stretching (amide I) and aromatic C═C stretching vibrations. The peaks in between 1400–1550 cm −1 are observed due to the amide N—H bending (amide II) and the aromatic ring vibrations of the peptide groups present in both BSeFF/Ni(OH) 2 and BSeLL/Ni(OH) 2 hybrid materials . Besides, the bands in between 1020–1170 cm −1 are observed due to the presence of the in‐plane vibration of C—H band and C–N stretching vibration of amide groups of peptides present in BSeFF/Ni(OH) 2 and BSeLL/Ni(OH) 2 nanohybrids (Figure ), respectively .…”