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Suppression of Polysulfide Dissolution and Shuttling with Diphenyl ...
Lithium-sulfur (Li-S) systems have been rising stars in new battery technologies beyond lithium-ion battery rea, but the dissolution and shuttle of lithium polysulfide seriously deteriorate the cycling performance. Herein, we proposed diphenyl disulfide (DPDS) as the electrolyte additive for Li-S batteries. DPDS can interact with the …
Balancing polysulfide containment and energy loss in …
Integration of microporous membranes in lithium–sulfur (Li–S) batteries is a promising strategy for preventing capacity losses induced by the shuttling of …
Polysulfide Flow Batteries Enabled by Percolating Nanoscale …
A new approach to flow battery design is demonstrated wherein diffusion-limited aggregation of nanoscale conductor particles at ∼1 vol % concentration is used to impart mixed electronic-ionic conductivity to redox solutions, forming flow electrodes with embedded current collector networks that self-heal after shear. Lithium polysulfide flow …
An aqueous dissolved polysulfide cathode for …
We report an aqueous lithium–sulfur battery based on aqueous dissolved Li2S4/Li2S redox couple as the cathode, metallic lithium as the anode and Li1.35Ti1.75Al0.25P2.7Si0.3O12 (LATP) as the separator. A reversible …
Defective MnO2 functional separator coating as effective polysulfide ...
Advanced energy storage systems are in urgent need nowadays due to the rising demand in mobile devices and electric vehicles [].Lithium–sulfur (Li–S) batteries are intensively studied due to the high theoretical specific capacity (1675 mAh·g −1) and energy density (2600 Wh·kg −1), as well as natural abundant and environmentally friendly of sulfur.
Cost-Effective Membrane and Advanced Electrode for Stable Polysulfide-Ferricyanide Flow Battery
Herein, we aim to address the two critical problems in PFRFBs by combining membrane and electrode optimizations. First, to replace the costly Nafion membrane, low-cost sulfonated polyether ether ketone (SPEEK) membranes (approximately 21.89 $/m 2) [44–46] have been K +-exchanged for use in PFRFBs.-exchanged for use in PFRFBs.
Exploring More Functions in Binders for Lithium Batteries
The ever-developing society and economics call for advanced energy storage devices with higher energy/power density, better safety, longer service life, low CO 2 emission, environmental benignity, and lower cost. As the leading electrochemical energy storage technology, lithium-ion batteries (LIBs) are currently widely adopted in consumer …
High-efficient multifunctional electrochemical membrane for …
1. Introduction. Reliable, low-cost energy storage systems with high energy capacity are crucial to meet expanding demands for large-scale smart grids and electric vehicles [[1], [2], [3]].Among various energy storage systems, rechargeable lithium-ion-based batteries (LIBs) have received the most attention, as they are compact and …
A rationally designed polysulfide-trapping interface on the …
1. Introduction. Lithium–sulfur (Li–S) batteries have attracted tremendous attention in recent years because sulfur offers a high theoretical capacity of 1675 mA h g −1 [1], [2].However, the practical utilization of Li–S batteries is hampered by the unfavorable properties of sulfur cathodes [3], [4], [5].The electrically insulating nature of sulfur and its …
Building Lithium-Polycarbonsulfide Batteries with High …
The polysulfide shuttling and restricted kinetics of existing sulfur cathodes of lithium–sulfur batteries need to be tackled. Herein, we synthesized a polycarbonsulfide active material with an atomically assembled π …
Aziridine-Derived Polysulfide Elastomers for Self-Healable, Strong, and Reusable Adhesives …
Inverse vulcanization offers an efficient method for synthesizing high-sulfur content polymers. However, the resulting polysulfides often exhibit poor mechanical properties, particularly a lack of high ductility or elasticity. In this study, we present a straightforward one-pot tandem strategy for the synthesis of functionalized polysulfides …
Reactivation of dead sulfide species in lithium polysulfide flow battery for grid scale energy …
Lithium polysulfide batteries possess several favorable attributes including low cost and high energy density for grid energy storage. However, the precipitation of insoluble and irreversible ...
An aqueous dissolved polysulfide cathode for lithium–sulfur batteries ...
We report an aqueous lithium–sulfur battery based on aqueous dissolved Li 2 S 4 /Li 2 S redox couple as the cathode, metallic lithium as the anode and Li 1.35 Ti 1.75 Al 0.25 P 2.7 Si 0.3 O 12 (LATP) as the separator. A reversible specific capacity of up to 1030 mA h g −1 is attained. Moreover, aqueous lithium–polysulfide batteries have a discharge potential …
Electrolyte with Low Polysulfide Solubility for Li–S Batteries | ACS Applied Energy …
Li–S battery is one of the most promising next-generation rechargeable battery technologies because of its high theoretical energy density and low material cost. However, its success is impeded by the low energy efficiency and fast capacity fade primarily caused by the discharge intermediates, Li-polysulfides (PS), dissolution in the …
Electropolymerized Conjugated Microporous Nanoskin Regulating Polysulfide and Electrolyte for High-Energy Li–S Batteries …
A popular practice in Li–S battery research is to utilize highly nanostructured hosts and excessive electrolytes to enhance sulfur-specific capacities. However, from the perspective of commercialization, this is a less meaningful approach in the pursuit of high-energy Li–S batteries. Herein, we report the fabrication of a nanoskin …
High-efficient multifunctional electrochemical membrane for lithium polysulfide redox flow batteries …
Thus, considerable efforts have been dedicated to developing alternative new battery systems, such as aqueous vanadium redox flow batteries (VRFBs) [7, 8]. Although VRFBs are widely employed for large-scale applications, such aqueous RFBs are limited by their extremely low energy density (10–20 mAh/g) and high vanadium costs [ …
A polysulfide radical anions scavenging binder achieves long‐life ...
Fast capacity decay caused by the polysulfide shuttle is the primary cause to impede the practical application of lithium–sulfur (Li–S) batteries. The polysulfide …
Advanced Energy Materials
Advanced Energy Materials is your prime applied energy journal for research providing solutions to today''s global energy challenges. Abstract Although the ultrahigh theoretical energy density and cost-effectiveness, lithium–sulfur (Li-S) batteries suffer from sluggish conversion kinetics and the shuttling effect of soluble lithi...
Design of castor oil‐based polyurethane thermal conductive structural adhesive for new energy batteries
DOI: 10.1002/app.55493 Corpus ID: 268850871 Design of castor oil‐based polyurethane thermal conductive structural adhesive for new energy batteries @article{Ding2024DesignOC, title={Design of castor oil‐based polyurethane thermal conductive structural adhesive for new energy batteries}, author={Ao Ding and Guang …
A biomass-rich, self-healable, and high-adhesive polymer binder …
Introduction. Lithium-sulfur (Li-S) batteries, owing to their ultrahigh theoretical energy density of ∼ 2500 W h kg −1, abundant natural resources, and environmental friendliness, hold immense promise for the burgeoning field of energy storage systems [1].Nevertheless, the substantial challenge of pronounced capacity decline, …
The Effective Design of a Polysulfide-Trapped Separator at the ...
In this work, the lightweight and scalable organic macromolecule graphitic carbon nitride (g-C3N4) with enriched polysulfide adsorption sites of pyridinic-N was introduced to achieve the effective functionalization of separator at the molecular level. This simple method overcomes the difficulty of l …
Phosphorus Vacancies as Effective Polysulfide Promoter for …
The obtained CoP-Vp can reinforce the affinity to lithium polysulfides (LiPSs) and thus the shuttle effect can be restrained. In addition, the reduced reaction …
A high-energy and low-cost polysulfide/iodide redox flow battery
The polysulfide/iodide redox flow battery (PSIB) achieved one of the highest energy densities for all-liquid aqueous RFBs (43.1 W h L −1 Catholyte+Anolyte) with high coulombic efficiency (93–95%) and stable cycle life.. Owing to the high achieved energy density and the inherent low materials cost of sulfur and iodine compared to …
Polysulfide Shuttle Suppression by Electrolytes with …
Energy Technology is an applied energy journal covering technical aspects of energy process engineering, including generation, conversion, storage, & distribution. A low-density electrolyte composition …
Balancing polysulfide containment and energy loss in …
Integration of microporous membranes in lithium–sulfur (Li–S) batteries is a promising strategy for preventing capacity losses induced by the shuttling of soluble polysulfide species. However, microporous membranes also hinder the transport of lithium ions decreasing the available cell energy density. Here,
Dendrite–free and Ultra–High energy lithium sulfur battery …
Although lithium sulfur batteries made a lot of progress over decades, they are still faced with low energy and fragile stability. Herein, we report a new strategy to achieve extremely high energy lithium sulfur battery with dimethyl polysulfide intermediates, which can greatly increase the specific capacity to 1497.3 mAh g −1 at …