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, …
Advances in All-Solid-State Lithium–Sulfur Batteries for ...
Solid-state lithium–sulfur batteries: Advances, challenges ...
Lithium sulfur batteries (LSB) are attracting attention as a next generation energy storage device because of their high energy density, low cost, and environmental friendliness surpassing that of lithium ion batteries (LIBs). An in-situ transmission electron microscopy experiment performed in this work revealed a fast …
Cyclic voltammetry of the sulfur–carbon cathode at a scan rate of 20 μV/s in coin cell (Figure S1). In- situ Raman spectra of the sulfur–carbon cathode shown at 3.2 V in 1 M LiTFSI with TEGDME/DIOX (1:1, by vol) (Figure S2). Vibrational frequencies and ...
Lithium sulfur (Li–S) batteries have great potential as a successor to Li-ion batteries, but their commercialization has been complicated by a multitude of issues stemming from their complex multiphase chemistry. In situ X-ray tomography investigations enable direct observations to be made about a battery, providing unprecedented insight …
Lithium–sulfur (Li–S) batteries represent one of the most promising candidates of next-generation energy storage technologies, due to their high energy …
According to the above results, OB is suitable for interlayer in batteries with dissolution mechanism of active substances or intermediates, especially lithium-sulfur batteries. Based on previous experience, complex chemical forces are observed between quaternary ammonium nitrogen and polysulfides [ [42], [43], [44] ].
In fact, from 1962 to 1990, there were only more than two hundred research papers on Li-S batteries according to the Web of Science Core Collection om 1991 to 2008, the number of research papers became 545. However, after Nazar group [11] reported the application of ordered mesoporous carbon (CMK) and sulfur composite …
Lithium–sulfur batteries offer theoretical capacities of 800–1600 mAh g–1 of active material and are therefore one of the most promising new battery chemistries currently under intensive study. However, the low electronic conductivity of the sulfur and the discharge products imposes energy penalties during the discharge and charge steps. …
While lithium–sulfur batteries are poised to be the next-generation high-density energy storage devices, the intrinsic polysulfide shuttle has limited their practical applications.
Because of the high theoretical energy density of $$2600, hbox {Wh kg}^{-1}$$ 2600 Wh kg - 1, lithium–sulfur (Li–S) batteries are regarded as one of the most promising energy storage technologies to meet the increasing requirement from personal devices to automobiles. However, the practical application of Li–S batteries is still …
Lithium–sulfur (Li–S) batteries possess high theoretical energy density, whereas the shuttle effect of polysulfides and the uncontrollable lithium (Li) dendrites …
Understanding the structural evolution of Li 2 S upon operation of lithium-sulfur (Li-S) batteries is inadequate and a complete decomposition of Li 2 S during charge is difficult. Whether it is the low electronic conductivity or the low ionic conductivity of Li 2 S that inhibits its decomposition is under debate. ...
All-solid-state lithium–sulfur (Li–S) batteries have emerged as a promising energy storage solution due to their potential high energy density, cost …
Sweet potato-derived carbon with a unique solid core/porous layer core/shell structure is used as a conductive substrate for gradually immobilizing sulfur to construct a cathode for Li–S batteries. The first discharge specific capacity of the Li–S batteries with the C-10K@2S composite cathode at 0.1C is around 1645 mAh g–1, which is very close to the …
Advances in lithium–sulfur batteries based on ...
6 · The lithium-sulfur battery (LSB) is a next generation energy storage technology with potential to replace lithium-ion batteries, due to their larger specific capacity, …
Lithium–sulfur batteries (LSBs) as a next-generation promising energy storage device have a great potential commercial application due to their high specific …
Understanding Li-based battery materials via ...
There is a growing interest in developing lithium-sulfur batteries (LiSBs) due to their high specific energy capacity, low manufacturing materials, and robustness. However, the …
Lithium–sulfur (Li–S) batteries possess high theoretical energy density, whereas the shuttle effect of polysulfides and the uncontrollable lithium (Li) dendrites seriously reduce the reversible capacity and cycling lifespan. Constructing an …
Establishing reaction networks in the 16-electron sulfur ...
Lithium–sulfur batteries are recognized as one of the most promising next-generation high-performance energy storage systems. However, obstacles like the irreversible capacity loss hinder its broad application. Herein, we fabricated an interconnected three-dimensional MoS2–MoN heterostructure (3D-MoS2–MoN) via a …
Activated graphene/sulfur structure sheathed in a flexible graphene layer is presented as the cathode material of lithium–sulfur battery. The surface coating graphite oxide sheets are reduced by a one-step in situ sulfur reduction method under vacuum at 600 °C without any additional reductant. The high reduction degree of in situ sulfur …
Lithium–sulfur batteries (LSBs) as a next-generation promising energy storage device have a great potential commercial application due to their high specific capacity and energy density. However, it is still a challenge to real-time monitor the evolution process of polysulfides during the LSBs discharge process.
The results demonstrate that lithiated graphite can serve as a lithium donor in lithium-deficient cathodes, which could enable lithium metal-free Li–S, Li–air, …
While lithium–sulfur batteries are poised to be the next-generation high-density energy storage devices, the intrinsic polysulfide shuttle has limited their practical applications. Many ...
The lithium-ion battery consists of a cathode, anode, separator, and electrolyte, as shown in Fig. 19.1 [] general, the cathode material is a lithium-containing metal oxide, and graphite is generally used as the anode . The electrolyte is usually composed of a lithium ...
Lithium–sulfur (Li–S) batteries are highly appealing for large-scale energy storage. However, performance deterioration issues remain, which are highly related to interfacial properties. Herein, we present a direct visualization of the interfacial structure and dynamics of the Li–S discharge/charge processes at the nanoscale.
Herein, the recent applications of in situ/operando Raman techniques for monitoring the real-time variations in Li–S batteries are summarized to reveal the reaction mechanism and guide the design of …
A photo-assisted reversible lithium-sulfur battery (LSB) is demonstrated for the first time. • The photo-generated electrons/holes could accelerate the sulfur …
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 …