Reduced graphene oxide wrapped sulfur nanocomposite as cathode material for lithium sulfur battery

Recent Breakthroughs in the Bottleneck of Cathode Materials for Li–S Batteries

“…The mesopores adsorbed sulfur nanoparticles, and the micropores physically adsorbed polysulfide. RGO nanosheets coated with sulfur nanoparticles significantly enhanced the electrical conductivity of the material, and the polar functional groups on the surface of RGO chemically absorbed LiPSs . Han et al synthesized hierarchical porous graphene bubbles (PGBs) using coal tar pitch as the carbon source via a magnesium oxide (MgO) nanoparticles template.…”

“…RGO nanosheets coated with sulfur nanoparticles significantly enhanced the electrical conductivity of the material, and the polar functional groups on the surface of RGO chemically absorbed LiPSs. 32 Han et al 23 synthesized hierarchical porous graphene bubbles (PGBs) using coal tar pitch as the carbon source via a magnesium oxide (MgO) nanoparticles template. The external hierarchical porous and internal holes of PGBs provided space for sulfur storage and double protected against the shuttle effect and volume expansion caused by polysulfides to further reduce sulfur loss.…”

High-performance aqueous rechargeable nickel//bismuth batteries with Bi2MoO6@rGO and Co0.5Ni0.5MoO4@rGO as electrode materials

“…One of the effective ways to overcome the above limitations is by hybridizing electrode active materials with carbon materials (carbon nanotubes, carbon nanofibers, and graphene) as composite electrodes, [30][31][32][33][34][35] which can make full use of the advantages of the active materials and carbon materials and increase the charge accommodation. 36,37 Kong et al 28 investigated the electrochemical performances of a composite electrode composed of Bi 2 MoO 6 and carbon spheres, which displayed an excellent specific capacity of 521.42 F g À1 at 1 A g À1 in 6 M KOH electrolyte with the potential range from À0.2 V to 0.5 V. Also, a Bi 2 MoO 6 / polyaniline composite electrode 29 also manifested a high specific capacitance of 826 F g À1 at 1 A g À1 in 3 M KOH electrolyte within the potential range of À0.2-0.6 V. The above results both confirmed that the composite of Bi 2 MoO 6 and carbon materials could be expected to achieve excellent electrochemical performance.…”

“…21 Reduced graphene oxide (rGO) is considered to be an excellent two-dimensional (2D) carbon material for improving the electrochemical performance of electrodes on account of its large specific surface area, high electrical conductivity, and good mechanical properties. 34,35 Thus, it can be expected that combining Bi 2 MoO 6 with rGO would further enhance the electrochemical performances of electrode materials in the negative potential window and the corresponding Ni//Bi battery.…”

Enhancing Red Brick Performance: A Study on Aluminum Oxide/Graphite Composite Material Effects

“…As a result, phase transition materials have recently piqued people's interest to be used in the production of cutting-edge energy storage materials. [4][5][6] For potassium-ion batteries, Zn-air batteries, Pseudocapacitors and lithium-ion batteries, for example, an anionic or cationic exchange is used to make Iron-based composites; electrochemical transformation of hematite results in Fe2O3 supercapacitor for mack use of red bricks. [7][8][9][10][11][12][13][14][15] In recently Information is obtained through literature about alumina nanoparticles graphite powder and Conductive Carbon.…”