1. Introduction. Lithium-sulfur (Li-S) batteries have drawn an intensive following as one of the most potential energy storage devices due to its high theoretical specific capacity (1675 mAh g −1) and environmentally benign, low cost, as well as abundance of sulfur [1], [2], [3], [4].However, the practical applications of Li-S batteries …
Lithium-sulfur (Li-S) battery is one of the promising high-energy battery systems for future use. However, the shuttle effect due to the dissolved lithium polysulfides in ether electrolyte hampers its practical application. Applying electrolyte additives in Li-S battery has been widely acknowledged as an effective way to reduce the shuttle effect …
1. Introduction. The ever-increasing demands of portable electronics and electric vehicles call eagerly for high-energy storage devices, and have set off an upsurge of research in novel secondary batteries [[1], [2], [3]].Lithium−sulfur (Li–S) battery has become one of the primary focus, owing to its high theoretical energy density (2600 Wh kg −1) …
Lithium-sulfur (Li-S) batteries, as a new generation of batteries, have a theoretical energy density of 2600 Wh kg −1. Furthermore, they have received a lot of attention because sulfur is eco-friendly, non-toxic [5], and non-expensive [6]. However, in terms of some challenges, the use of this type of battery was limited in the industry.
The Li + diffusion coefficients for both electrodes in the Li-S battery system were calculated, and the relevant values are shown in Fig. 4 (d). Notably, the S@CBC/Ni electrode exhibited the highest Li + diffusion coefficients at each reaction stage. The reaction kinetics in Li-S battery systems are impeded by both electronic and ionic transport.
At each step of technological improvement, lithium–sulfur batteries have relied upon techniques and methodologies brought upon by nanotechnology. Nanoporous …
The high solubility of long-chain lithium polysulfides and their infamous shuttle effect in lithium sulfur battery lead to rapid capacity fading along with low Coulombic efficiency. To address above issues, we propose a new strategy to suppress the shuttle effect for greatly enhanced lithium sulfur battery performance mainly through the …
Conventional intercalated rechargeable batteries have shown their capacity limit, and the development of an alternative battery system with higher capacity is strongly needed for sustainable electrical vehicles and hand-held devices. Herein, we introduce a feasible and scalable multilayer approach to fabricate a promising hybrid lithium battery …
Lithium-sulfur batteries (LSBs) are among the most promising next generation electrochemical energy storage systems due to their ultrahigh energy …
In summary, we anchored ultrafine nanosulfur particles on little oxygen-functionalized graphene sheets and made sandwich-like nanosulfur/graphene …
DOI: 10.1016/J.NANOEN.2017.05.020 Corpus ID: 54712505; Nucleophilic substitution between polysulfides and binders unexpectedly stabilizing lithium sulfur battery @article{Ling2017NucleophilicSB, title={Nucleophilic substitution between polysulfides and binders unexpectedly stabilizing lithium sulfur battery}, author={Min Ling and Liang …
Herein, we report a high-performance lithium-sulfur battery based on multidimensional cathode architecture consisting of nanosulfur, graphene nanoplatelets …
The present-day lithium ion batteries represent a brilliant electrochemical energy storage technology that has established a dominant niche in portable electronics, yet loses the potentiality in applications that demand increasing energy density such as electric vehicles. Lithium–sulfur (Li–S) batteries are considered as an alternative candidate owing …
New approaches for high energy density lithium-sulfur battery cathodes. Acc. Chem. Res., 46 (5) (2013), pp. 1135-1143. ... Menghong Li received her B.S. degree in New Energy Science and Engineering from University of Shanghai for Science and Technology in 2020. She then entered the College of Aerospace Engineering, Chongqing …
1. Introduction. Solid-state lithium battery is regarded as one of the next-generation energy storage devices because of its high safety, high energy density and excellent stability [1], [2].The electrolyte, as a crucial part of solid-state battery, provides lithium ions, a pathway for ion transport, and insulation to prevent electron transfer …
Li-S Energy: The world needs better batteries
Graphene-V 2 O 3 hybrid host was designed in-situ based on PECVD route.. Thus-derived cathode showed a low capacity decay of merely 0.046% per cycle at 2 C after 1000 cycles. • Cathodes with a relatively high sulfur mass loading (3.7 mg cm –2) were fabricated.. The smooth adsorption-diffusion-conversion of polysulfides was …
At present, the increasing demands for energy put high requirements for energy density on battery systems [3]. However, in traditional LIBs that use non-aqueous liquid electrolyte, it is hard to achieve high energy …
Li-S batteries (LSBs) have been considering as new and promising energy storage systems because of the high theoretical energy density and low price. Nevertheless, their practical application is inhibited by several factors, including poor electrical conductivity of electrode materials, greatly volumetric variation, as well as the polysulfide formation upon the …
Development of high-energy non-aqueous lithium-sulfur ...
The nonuniformity of microscopic electrochemical reaction of electrodes essentially results in the partial reaction discrepancy and subsequent partial overheating, which is the most critical safety problem of the battery system in electric vehicles. Herein, we report a class of DLPC@S/DLPC@Li full cell based on a distinctly constructed double …
Consequently, the ZNC/NF//Zn battery shows an outstanding areal capacity of 2.1 mAh cm −2 at 5 mA cm −2, with an ultrahigh energy density of 3.6 mWh cm −2. Moreover, the battery can still retain a high capacity of 0.42 mAh cm −2 after 5000 cycles at 50 mA cm −2, suggesting strong long-term cycling stability. This research …
In this review, we begin with a brief discussion of the operating principles and scientific/technical challenges faced by the development of lithium/sulfur cells. We then introduce some recent progress in exploring cathodes, anodes, and electrolytes for lithium/sulfur cells. In particular, several effective
Rechargeable metal-CO 2 batteries have drawn significant research interest for their potential in effective CO 2 reduction, value-added CO 2 conversion, and high-performance energy storage, vital for upgrading our energy structure. However, challenges like high charge overpotential, poor electrochemical reversibility, and low-rate capabilities …
Practical applications of lithium–sulfur batteries are simultaneously hindered by two serious problems occurring separately in both electrodes, namely, the shuttle effects of lithium polysulfides and the uncontrollable growth of lithium dendrites. Herein, to explore a facile integrated approach to tackle both problems as well as guarantee the efficient …
The unique spatial confinement and concentration gradients of sulfur@PEDOT nanoreactors (SP-NRs) can promote reaction kinetics while facilitating …
Li–S battery system is regarded as one of the most promising candidates for next-generation rechargeable batteries because of its low cost (≈ 0.1 $ kg −1 for sulfur), high theoretical specific capacity (1675 mAh g −1) and high theoretical energy density (≈ 2600 Wh kg −1) [52,53,54].The mechanism of Li–S batteries is based on chemical …
Lithium-sulfur batteries (LiSBs) owing to high energy density (ten to fifteen times greater than the lead-acid batteries and about three to five times higher than …
Lithium–sulfur batteries with liquid electrolytes have been obstructed by severe shuttle effects and intrinsic safety concerns. Introducing inorganic solid-state electrolytes into lithium–sulfur systems is believed as an effective approach to eliminate these issues without sacrificing the high-energy density, which determines sulfide-based …
The lithium-sulfur (Li-S) battery is considered one of the most promising candidates for next-generation electric energy storage due to its high energy density and …
Here, we review the field of nanomaterials for energy storage by examining their promise to address the problems of new battery chemistries, as well as the issues associated with nanomaterials ...
Contact Us