Sepiolite Enfolded Sulfur/ZnO Binary Composite Cathode Material for Li-S Battery

Abstract

Lithium-Sulfur (Li-S) batteries have become an incredible challenge for the approaching age of high-vitality stockpiling gadgets. Nevertheless, one of the main specialized issues emerging in Li-S batteries is the polysulfide disintegration among electrodes and striking capacity limit. Here, sieved sepiolite (200 mesh sieve) has been favored as an added substance material to counter the above difficulties in the sulfur battery. The zinc oxide nanoparticles were prepared by co-precipitation method and a Sulfur/post-treated sieved Sepiolite/Zinc Oxide (S/PTSp/ZnO) nanocomposite was prepared by warmth treatment. The prepared composite was described by XRD, FTIR, RAMAN, SEM with EDAX, TEM, XPS, TG, and Electrochemical analysis. The S/PTSp/ZnO composite cathode exhibited an initial discharge capacity of 1,391 mAhg −1 and attained a stable capacity of 765 mAhg −1 at 200 cycles. In conclusion, Li-S batteries can be relied upon to capably build up the utilization of sulfur and limit the disintegration of polysulfides into an electrolyte.

Synthesis of a new adsorbent poly(allylisothiocyanate‐co‐hydroxyethylmethacrylate‐co‐vinylimidazole) via photopolymerization: Characterization and investigation of heavy metal adsorption capacity

“…The two peaks determined at approximately 170 and 168 eV correspond to the bridging sulfur of the polysulfide species, and this is probably formed by the oxidation of sulfur during photopolymerization. Here, the polymerization may have proceeded not over the vinyl group but over the sulfur, albeit with short chains 53–55 . The metal percentages according to the results obtained from the XPS analysis are shown in Table 3.…”

“…Here, the polymerization may have proceeded not over the vinyl group but over the sulfur, albeit with short chains. [53][54][55] The metal percentages according to the results obtained from the XPS analysis are shown in Table 3. The detailed binding energy values of each adsorbent type are shown in Table S1.…”

3D Hollow rGO Microsphere Decorated with ZnO Nanoparticles as Efficient Sulfur Host for High-Performance Li-S Battery

“…The result shows that GO can be effectively reduced by high-temperature. After sulfur loading, two additional peaks at 217 and 472 cm −1 are detected in S-ZnO/rGO and S-3D-ZnO/rGO ( Figure 6 b), which is due to the S-S bond vibration of elemental sulfur [ 32 ]. At the same time, the calculation shows that the I D / I G values of S-ZnO/rGO and S-3D-ZnO/rGO composites are 1.08 and 1.10, respectively, which shows a little increase.…”

Sepiolite as a novel polysulfide trapper for energy applications: an electrochemical, X-ray spectroscopic and DFT study

“…15 Due to the intricate network of channels and pores, sepiolite can provide a distinctive platform for effective polysulfide entrapment, curbing the undesirable migration of these species and thereby enhancing battery performance. [16][17][18][19] This remarkable attribute of sepiolite could not only elevate the stability and efficiency of lithium-sulfur batteries but also underscores the potential of harnessing abundant natural resources for the development of high-performance materials in the realm of future energy technologies. In fact, sepiolite has a potential as an adsorption material, particularly for removing organic contaminants 20 and heavy metal pollutants from water.…”