Facile synthesis of NiCo2S4 nanosheets on graphitized carbon microspheres for high-performance asymmetric supercapacitors

Nickel–Cobalt Sulfide Nanosheets Anchored on Porous Carbon for Energy Storage and Small-Molecule Detection

“…In addition, Raman spectra of the three samples are presented in Figure b, where the peaks at 1360 and 1590 cm –1 correspond to the D and G bands of porous carbon, respectively. The I D /I G value of NCS/CPC-3 (1.05) is lower than that of CPC (1.11), indicating that porous carbon has more defect structures . The anchoring of NiCo 2 S 4 nanosheets on the porous carbon skeleton is supported by peaks at 644 and 505 cm –1 , corresponding to the A 1g and F 2g vibrations of NiCo 2 S 4 , respectively …”

MIL-47(v)-derived carbon-doped vanadium oxide for selective oxidation of 5-hydroxymethylfurfural to 2,5-diformylfuran

“…In addition to the sharp peaks close to V 2 O 5 , there is also a broad peak fused with other peaks at 20–25° in the C–V 2 O 5 samples, which could be attributed to the interlayer stacking of graphitized carbon. 37,38…”

“…Dalton Transactions which could be attributed to the interlayer stacking of graphitized carbon. 37,38 X-ray photoelectron spectroscopy (XPS) was used to determine the exact valence information of MIL-47 and C-V 2 O 5 , which mostly consists of V 2p, O 1s, and C 1s peaks (Fig. S4 †).…”

Transition metal sulfide/hydroxide electrode materials with high specific capacities

“…Figure 6g shows a Ragone plot of several devices, the power density of our device is 1432.07 W kg -1 , which is better than some literature reports. 24,[41][42][43][44] Finally, the cycling performance of the device is investigated at 2 A g -1 , as shown in Figure 6h. It finds that the capacitance retention still can reach 87% after 10000 cycles.…”