The lithium–sulfur battery holds a high theoretical energy density, 4–5 times that of today''s lithium-ion batteries, yet its applications have been hindered by poor electronic conductivity of the sulfur cathode and, most importantly, the rapid fading of its capacity due to the formation of soluble polysulfide intermediates (Li2Sn, n = 4–8). …
In this Editorial, Guest Editors Stefan Kaskel, Jia-Qi Huang, and Hikari Sakaebe introduce the Special Collection of Batteries & Supercaps on Lithium–Sulfur …
Dithiine linkage formation via a dynamic and self-correcting nucleophilic aromatic substitution reaction enables the de novo synthesis of a porous thianthrene-based two-dimensional covalent organic framework (COF). For the first time, this organo-sulfur moiety is integrated as a structural building block into a crystalline layered COF. The …
ConspectusLithium–sulfur (Li–S) batteries have attracted worldwide attention as promising next-generation rechargeable batteries due to their high theoretical energy density of 2600 Wh kg–1. The actual energy density of Li–S batteries at the pouch cell level has significantly exceeded that of state-of-the-art Li-ion batteries. However, the …
Lithium–sulfur batteries (LSBs) have attracted attention due to their high theoretical energy density. This and various other advantages, such as the availability and non-toxicity of sulfur, raise interest in LSBs against the background of the energy revolution. However, a polysulfide shuttle mechanism can a
ConspectusLithium–sulfur batteries (LSBs), recognized for their high energy density and cost-effectiveness, offer significant potential for advancement in energy storage. However, their widespread deployment remains hindered by challenges such as sluggish reaction kinetics and the shuttle effect of lithium polysulfides (LiPSs). By the …
Lithium–sulfur (Li–S) batteries, characterized by their high theoretical energy density, stand as a leading choice for the high-energy-density battery targets over …
A battery is composed of two electrodes that depend on and interact with each other. However, galvanostatic charging–discharging measurement, the most widely used method for battery evaluation, cannot simultaneously reflect performance metrics [capacity, Coulombic efficiency (CE), and cycling stability] of both electrodes because the …
In this article, we overview lithium–sulfur storage mechanisms, the technology challenge, and the optimization strategies for designing high-performance …
Beyond lithium-ion technologies, lithium–sulfur batteries stand out because of their multielectron redox reactions and high theoretical specific energy (2500 Wh kg–1). However, the intrinsic irreversible transformation of soluble lithium polysulfides to solid short-chain sulfur species (Li2S2 and Li2S) and the associated large volume …
Lithium–sulfur (Li–S) batteries have become a research hotspot due to their high energy density. However, they also have certain disadvantages and limitations. To enhance the performance of Li–S batteries, this study focuses on the utilization of transition metal (TM)-embedded vanadium disulfide (VS2) materi
Abstract. Lithium-sulfur (Li-S) battery is recognized as one of the promising candidates to break through the specific energy limitations of commercial …
Corresponding Author Zhuo Chen [email protected] Department of Materials Physics and Chemistry, School of Materials Science and Engineering, Energy & Catalysis Center, Beijing Institute of Technology, Beijing, China Correspondence Lele Peng, Tsinghua Shenzhen International Graduate School, Institute of Materials Research, …
Lithium–sulfur batteries are attracting more and more attention due to the high specific energy density and specific capacity density. The severe "shuttle effect" during the charge/discharge cycle causes significant performance degradation, and has become a great challenge for the practical application of re
The lithium–sulfur (Li–S) system is one of the most promising rechargeable battery systems for portable electronics and electrification of vehicles due to a high theoretical capacity and energy density, as well as the low cost and availability of non-toxic sulfur. Polysulfide dissolution however hinders cycl
Lithium–sulfur (Li–S) batteries have become a research hotspot due to their high energy density. However, they also have certain disadvantages and limitations. To enhance the performance of Li–S batteries, this study focuses on the utilization of transition metal (TM)-embedded vanadium disulfide (VS2) materi
Corresponding Author Prof. Li-Jun Wan [email protected] CAS Key Laboratory of Molecular Nanostructure and Nanotechnology and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190 (P
Sulfur utilization in high-mass-loading positive electrodes is crucial for developing practical all-solid-state lithium-sulfur batteries. Here, authors propose a low …
A Perspective toward Practical Lithium–Sulfur Batteries
Herein, we report a synergistic strategy to exploit a unique nitrogen-doped three-dimensional graphene aerogel as both the lithium anode host to ensure …
Abstract. Beyond lithium-ion technologies, lithium–sulfur batteries stand out because of their multielectron redox reactions and high theoretical specific energy …
Lithium–sulfur batteries (LSBs) are regarded as a new kind of energy storage device due to their remarkable theoretical energy density. However, some issues, such as the low conductivity and the large volume variation of sulfur, as well as the formation of polysulfides during cycling, are yet to be addressed before LSBs can become …
Flexible polymers show high potential applications in rechargeable lithium–sulfur (Li–S) batteries for their capability of confining sulfur diffusion and tolerance to large volume expansion during lithiation. …
The present investigation fits the reaction kinetics of a lithium–sulfur (Li–S) battery with polar electrolyte employing a novel two-phase continuum multipore model. The continuum two-phase model considers processes in both the liquid electrolyte phase and the solid precipitates phase, where the diffusion co
All-solid-state lithium–sulfur batteries were fabricated using composite electrodes incorporating sulfur, carbon replica, and a solid electrolyte. Novel liquid-phase mixing contributed to improving electrochemical properties through solid-electrolyte penetration into the mesopores of the carbon replica. Combined mechanical and liquid …
A formulation for energy density calculations is proposed based on critical parameters, including sulfur mass loading, sulfur mass ratio, electrolyte/sulfur ratio and …
To realize a low-carbon economy and sustainable energy supply, the development of energy storage devices has aroused intensive attention. Lithium-sulfur (Li-S) batteries are regarded as one of the most promising next-generation battery devices because of their remarkable theoretical energy density, cost-effectiveness, and …
Lithium-sulfur battery is an appealing battery system, but it also suffers from the shuttle effect of lithium polysulfide (LiPS) and an unstable cycling life. Physical …
A room temperature hybrid electrolyte based lithium–sulfur cell was successfully cycled with an excellent coulombic efficiency of 100%. The initial discharge specific capacities of up to 1528 mA h g −1, 1386 mA h g −1 and 1341 mA h g −1, respectively, at C/20, C/5 and C/2 rates were realized and remained at 720 mA h g −1 after 40 cycles at the C/5 rate.
Sulfur remains in the spotlight as a future cathode candidate for the post-lithium-ion age. This is primarily due to its low cost and high discharge capacity, two critical requirements for any future cathode material that seeks to dominate the market of portable electronic devices, electric transportation, and electric-grid energy storage. However, …
An electrochemical couple of lithium and sulfur possesses the highest theoretical energy density (>2600 Wh/kg) at the material level. However, disappointingly, it is out of place in primary batteries due to its low accessible energy density at the cell level (≤500 Wh/kg) and poor storage performance. Herein, a low-density methyl tert-butyl ether …
The elucidation of elemental redox reactions of sulfur is important for improving the performance of lithium–sulfur batteries. The energies of stable structures of Sn, Sn˙−, …
2021 roadmap on lithium sulfur batteries, James B Robinson, Kai Xi, R Vasant Kumar, Andrea C Ferrari, Heather Au, Maria-Magdalena Titirici, Andres Parra-Puerto, Anthony Kucernak, Samuel D S Fitch, Nuria Garcia-Araez, Zachary L …
This investigation elucidates the electrochemical reaction process occurring within lithium–sulfur battery cells in detail, which has been unclear even after a half century of study primarily due to the very high reactivity of the …
Lithium–metal anode degradation is one of the major challenges of lithium–sulfur (Li–S) batteries, hindering their practical utility as next-generation rechargeable battery chemistry. The polysulfide migration and shuttling associated with Li–S batteries can induce heterogeneities of the lithium–metal surface because it …
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