Then, a nitrogen‑sulfur co-doped UHPC (NS-UHPC) was prepared and employed as a sulfur-loading host to achieve NS-UHPC@S composite after sulfur impregnation. After that, the electrochemical performances are explored utilizing the NS-UHPC@S composite as electrode active material for lithium‑sulfur battery (LSB).
When analyzed in lithium-sulfur batteries, these sulfur-carbon composites show high specific capacities of 1100 mAh g−1 at a low C-rate of 0.1 C and above 500 mAh g−1 at a high rate of 2 C for
Insights into the enhanced redox kinetics and performance of lithium-sulfur batteries with nitrogen doped carbon modified SnS nanoflowers multifunctional interlayers. This self discharge behavior leads to the loss of active materials in lithium sulfur batteries. Therefore, the SnS@N,C NFs-FP interlayer was added to the lithium sulfur
The schematic diagram of plant-derived carbon materials applied in the lithium‑sulfur battery system. Numerous researchers have fabricated N-doped porous carbon materials using nitrogen-containing plant-derived precursors, including Biomass-derived porous carbon materials for advanced lithium sulfur batteries. J. Energy Chem., 34
Moreover, nitrogen doping in the carbon material induces an increase of its intrinsic electric conductivity, which could enhance the charge transfer kinetics . Phosphorus-sulfur/graphene composites as flexible lithium-sulfur battery cathodes with super high volumetric capacity. Chem. Eng. J., 387 (2020), Article 123904.
The utilization of lithium–sulfur battery is hindered by various challenges, including the “shuttle effect”, limited sulfur utilization, and the sluggish conversion kinetics of lithium polysulfides (LiPSs). In the present work, a
The lithium–sulfur (Li–S) chemistry may promise ultrahigh theoretical energy density beyond the reach of the current lithium-ion chemistry and represent an attractive energy storage technology for electric vehicles
A free-standing cathode without any binder, conductor, and current collector is attractive due to its reduced weight and cost. This study introduces nitrogen-rich and hierarchical porous carbon fibers in the form of a free-standing carbon paper synthesized by NaBH 4-aided electrospinning and subsequent CO 2 annealing. This modified process leads to a large
Lithium–sulfur batteries (LSBs) have attracted considerable attention as high-energy density battery technology for applications in renewable energy storage and electric vehicles. However, challenges such as low sulfur conductivity and the polysulfide shuttle effect must be addressed. In this study, we prepared C–N/Sn with nanoporous channels using Sn
Professor Jong-sung Yu''s team developed a nitrogen-doped porous carbon material that boosts lithium–sulfur battery performance, achieving rapid charging (12 minutes) and long-term stability (82% capacity retention
In recent years, lithium–sulfur batteries (LSBs) are considered as one of the most promising new generation energies with the advantages of high theoretical specific capacity of sulfur (1675 mAh·g−1), abundant sulfur resources, and environmental friendliness storage technologies, and they are receiving wide attention from the industry. However, the problems
The raw material selected for this research was Brazil chestnut shells (BCs), which were utilized to gain porous carbon as a positive electrode for lithium–sulfur batteries
Nitrogen doped yolk-shell carbon spheres as cathode host for lithium-sulfur battery. Author links open overlay panel Jing Xu a, Hongbo Fan b, Dawei Su a significant advances have been achieved using multiple carbon materials as hosts for sulfur cathodes, including carbon nanotube/fibers, graphene coated hybrid structures, hollow carbon
Lithium-sulfur battery (LSB) is a very promising candidate in the next generation battery systems due to its high specific capacity (1675 mA h g −1) and low cost.Novel host materials, which are designated to suppress the dissolution of lithium polysulfides (LiPS) into electrolyte, play critical roles to solve the long-term cycling problem in LSB.
A study on the production of free-standing carbon cathode is an attractive method to improve the low active material ratio, which is a problem with existing Li-S batteries. This work introduces a
The theoretical energy density of Li–S battery (2600 W h kg −1) is almost 6 times higher than that of commercial LIBs (387 W h kg −1 for LiCoO 2 –graphite battery), so it has a great potential to satisfy a traveling distance of 500 km for EVs , .Furthermore, S is one of the most abundant elements in the Earth''s crust, and therefore the cost of S is much lower
In summary, nitrogen deficient-carbon nitride (DCN) was synthesized by the magnesium thermal denitration technique and used as a material to modify the lithium-sulfur battery separator. After denitrification, the conductive DCN has a high specific surface area up to 1033.21 cm 2 g −1 and facilitates the contact of active materials with
In order to achieve the practical application of Li-S batteries, the sulfur loading needs to reach 4 mg cm −2 or more, which is difficult for ordinary carbon materials to achieve stable cycling at this sulfur loading , .Therefore, many researchers have introduced redox mediators as sulfur host materials into Li-S batteries, including MXenes , transition metal
In the first study, a team led by Professor Jong-sung Yu at the DGIST Department of Energy Science and Engineering developed a nitrogen-doped porous carbon material to enhance the charging speed
Mitigating the initial capacity loss (ICL) problem in high-capacity lithium ion battery anode materials. J. Mater. Chem., 11 (2011), pp. 9819-9824. Crossref View in Scopus Google Scholar Biomass-derived porous carbon materials with sulfur and nitrogen dual-doping for energy storage. Green Chem., 17 (2015), pp. 1668-1674. View in Scopus
The results indicate that under 0.1 C conditions, the lithium–sulfur battery with an NCNF/TiO 2 /DE-800-modified separator exhibits superior electrochemical performance, achieving a first-cycle discharge specific capacity of 1311.1 mAh g −1, in comparison to the unmodified separator lithium–sulfur battery, which has a first-cycle specific
The most promising energy storage devices are lithium-sulfur batteries (LSBs), which offer a high theoretical energy density that is five times greater than that of lithium-ion batteries. However, there are still significant barriers to the commercialization of LSBs, and mesoporous carbon-based materials (MCBMs) have attracted much attention in solving LSBs''
Compared to commercial lithium-ion batteries, lithium-sulfur (Li–S) batteries offered exceptionally high theoretical specific capacity (1675 mAh g−1) and theoretical energy density (2600 Wh kg−1), positioning them as promising alternatives of conventional Li-ion batteries. However, several key challenges, including shuttle effect of lithium polysulfides
Mesoporous carbon (MC) with assembly building blocks of different scales and heteroatom-doping is a promising material that can deliver enhanced electrochemical performance through suitable modifications in the surface-based properties of carbon electrodes. Particularly, S/N co-doped MC, with adjustable microstructure and controllable incorporation,
Nitrogen doping enhances the surface polarity of the two-dimensional carbon material, promoting electrolyte penetration and providing strong chemical adsorption of
Sulfur, benefiting from its high theoretical capacity (1675 mAh g −1) and abundance, is regarded as one of the most cost-effective battery materials for future vehicle electrification and grid energy storage. , However, deployment of the Lithium-Sulfur (Li-S) technology has been hindered by the low practical energy density and limited cycle life at
Currently, various carbon materials, such as nitrogen-doped graphene nanosheets , , Nitrogen-doped porous carbon as high-performance cathode material for lithium-sulfur battery. ChemistrySelect, 2 (34) (2017), pp. 11030-11034. Crossref View in Scopus Google Scholar
Lithium–sulfur batteries (LSBs) have attracted considerable attention as high-energy density battery technology for applications in renewable energy storage and electric
Nitrogen-doped carbon/Sulfur cathode with 61.8 wt% sulfur content exhibits excellent performance in high-energy lithium sulfur battery. The specific capacity reached 1660 mAh g −1 at 0.05 C and about 500 mAh g −1 at
To overcome these issues, in our work, we design and synthesize a composite sulfur host material of Co 9 S 8 microspheres and N-doped carbon nanotubes, where the metallic sulfide Co 9 S 8 with a good conductivity enables the immobilization of the polar lithium polysulfides owing to the strong polar chemisorptive capability, and the one
Zhong, M. E. et al. Accelerated polysulfide redox kinetics revealed by ternary sandwich-type S@Co/N-doped carbon nanosheet for high-performance lithium-sulfur batteries.
The development of functional carbon materials using waste biomass as raw materials is one of the research hotspots of lithium-sulfur batteries in recent years. In this work, used a natural high-quality carbon source—coffee grounds, which contain more than 58% carbon and less than 1% ash. Honeycomb-like S and N dual-doped graded porous carbon (SNHPC)
The nickel, nitrogen, carbon, and phosphorus sources were mixed in deionized water, and then freeze-dried to form a precursor. MOF and its derivative materials modified Lithium-sulfur battery separator: a new means to improve performance. Rare Metals, 43 (2024), pp. 2418-2443, 10.1007/s12598-024-02631-x.
The lithium–sulfur battery developed in this study utilized the multifunctional carbon material synthesized, through the simple magnesium-assisted thermal reduction method, as a sulfur host. Even under rapid charging conditions with a full charge time of just 12 minutes, the battery achieved a high capacity of 705 mAh g⁻¹, which is a 1.6
Three-dimensional functionalized carbon nanotubes/graphitic carbon nitride hybrid composite as the sulfur host for high-performance lithium–sulfur batteries. J. Phys.
The lithium–sulfur (Li–S) chemistry may promise ultrahigh theoretical energy density beyond the reach of the current lithium-ion chemistry and represent an attractive energy storage technology for electric vehicles (EVs). 1-5 There is a consensus between academia and industry that high specific energy and long cycle life are two key
The raw material selected for this research was Brazil chestnut shells (BCs), which were utilized to gain porous carbon as a positive electrode for lithium–sulfur batteries (LSBs). The effects of N/S co-doped on the electrochemical properties of porous carbon materials were studied using thiourea as nitrogen and sulfur sources. The experimental results indicate
Representing the next-generation technology in lithium-ion batteries, lithium-sulfur (Li-S) batteries offer increased specific energy without relying on scarce metals like nickel and cobalt, but suffer from a low practical specific energy due to poor conductivity and a short lifespan due to the shuttle effect of polysulfides. Balancing the confinement of polysulfides and
Therefore, nitrogen-doped carbon materials can be used in lithium-sulfur batteries as active materials with high electronic conductivity and strong physical and chemical adsorption. The assembled quasi-solid lithium sulfur battery was tested at 25 °C and had excellent performance. This study proves that the long cycle performance of a
Porous carbon materials play essential roles in electrocatalysis and electrochemical energy storage. It is of significant importance to rationally design and tune their porous structure and active sites for achieving high electrochemical activity and stability. Herein, we develop a novel approach to tune the morphology of porous carbon materials (PCM) by
Lithium–sulfur (Li–S) batteries are promising candidates for next-generation energy storage systems owing to their high energy density and low cost. However, critical challenges including severe shuttling of lithium polysulfides (LiPSs) and sluggish redox kinetics limit the practical application of Li–S batteries. Carbon nitrides (CxNy), represented by graphitic
In this paper, nitrogen-doped carbon encapsulated sulfur (S@NC) composite cathode material and NC-coated ZnS (ZnS@NC) anode material derived from the same ZnS
Lithium–sulfur batteries (LSBs) have attracted widespread attention due to their high theoretical energy density. However, the dissolution of long-chain polysulfides into the electrolyte (the “shuttle effect”) leads to rapid capacity decay. Therefore, finding suitable materials to mitigate the shuttle effect of polysulfides is crucial for enhancing the electrochemical
Contact us for competitive quotes on any of our energy monitoring and control products
Get a Quote