The lithium–sulfur battery is considered as one of the most promising next-generation energy storage systems owing to its high theoretical capacity and energy density. However, the shuttle effect in lithium–sulfur battery leads to the problems of low sulfur utilization, poor cyclability, and rate capability, which has attracted the attention of a large number of …
Rechargeable lithium-ion batteries (LIBs) are considered to be the promising candidates towards sustainable energy storage devices due to its long cycle life, high specific power and energy ...
The role of electrocatalytic materials for developing post- ...
Introduction. Despite high energy density (2600 Wh kg-1) and theoretical specific capacity (1675 mAh g-1), Li-S batteries are still far from practical application due to the notorious "shuttle effect", slow reaction kinetics, and severe lithium dendrite issue [1], [2].The shuttle effect stems from diffusion of the dissolved polysulfides (LiPSs) across the …
Solid-state lithium metal batteries (SSLMBs) with polymer electrolytes (SPEs) have attracted tremendous attention owing to their superior safety and high …
Shedding new light on conventional batteries sometimes inspires a chemistry adoptable for rechargeable batteries. Recently, the primary lithium-sulfur dioxide battery, which offers a high energy ...
4 · In comparison to traditional and single metal oxides, multielement metal oxides exhibit enhanced specific capacity, buffer the volume expansion, and facilitate charge …
Lithium–sulfur (Li–S) batteries, boasting a high theoretical energy density (2600 Wh kg −1), stand out as highly promising devices for energy storage and conversion. Nevertheless, the practical application of Li–S batteries faces significant challenges, such as the shuttling of cycling intermediates (polysulfides) at the cathode and the ...
3 · Here we report a selective catalysis anionic decomposition strategy to achieve a lithium fluoride (LiF)-rich SEI for stable lithium metal batteries. To accomplish this, the …
Single-atom catalysts have been paid more attention to improving sluggish reaction kinetics and anchoring polysulfide for lithium–sulfur (Li–S) batteries. It has been demonstrated that d-block single-atom elements in the fourth period can chemically interact with the local environment, leading to effective adsorption and catalytic activity toward …
Single-atom catalysts have been paid more attention to improving sluggish reaction kinetics and anchoring polysulfide for lithium–sulfur (Li–S) batteries. It has been demonstrated that d -block …
Solid-state lithium metal batteries (SSLMBs) with polymer electrolytes (SPEs) have attracted tremendous attention owing to their superior safety and high energy density. However, the unstable solid electrolyte interphase (SEI) between Lithium (Li) and SPEs hinders their practical application.
The slow redox kinetics of polysulfides and the difficulties in decomposition of Li 2 S during the charge and discharge processes are two serious obstacles to the practical application of lithium-sulfur batteries. Herein, we construct the Fe-Co diatomic catalytic materials supported by hollow carbon spheres to achieve high-efficiency …
Lithium/thionyl chloride batteries are known among the highest energy systems; 25 years ago, the output can reach 480 Wh kg −1. 1 But now, commercially available batteries can reach 710 Wh kg −1 and have a service life of 10 to 20 years. Precisely because of its extremely high energy content, such batteries must be designed …
The Li–O2 battery is receiving much recent attention because of its superhigh theoretical energy density. However, its performance is limited by the irreversible formation/decomposition of Li2O2 on the cathode and the undesired electrolyte decomposition. In this work, low-cost three-dimensional ordered macroporous (3DOM) …
Lithium–oxygen battery with ultra-high theoretical energy density is considered a highly competitive next-generation energy storage device, but its practical application is severely hindered by issues such as difficult decomposition of discharge products at present. Here, we have developed N-doped carbon anchored atomically …
We also use SiO2 as a recyclable catalyst in the process. For lithium cobalt (III) oxide batteries, the leaching efficiency reached 100% for lithium and 92.19% …
Abstract Due to the high theoretical specific capacity (1675 mAh·g–1), low cost, and high safety of the sulfur cathodes, they are expected to be one of the most promising rivals for a new generation of energy storage systems. However, the shuttle effect, low conductivity of sulfur and its discharge products, volume expansion, and other factors hinder the …
The use of catalysts is the key to boost electrode reactions in lithium–oxygen (Li–O2) batteries. In-depth understanding of the nanoscale catalytic effect at electrode/electrolyte interfaces is of great significance for guiding a design of functionally optimized catalyst. Here, using electrochemical atomic force microscopy, we present the …
The introduced single-atom Co catalytic sites promote the charge transfer to accelerate the solid–solid conversion of sulfur. When coupled with a liquid carbonate electrolyte, the battery exhibits a remarkably high Coulombic efficiency (CE) of ≈99.88% and a minimal capacity decay rate of ≈0.016% per cycle for 1000 cycles at 0.5 C.
A novel Li-O2 battery with high reversibility and good energy efficiency using a soluble catalyst combined with a hierarchical nanoporous air electrode is reported, enabling ultra-efficient electrode reactions and significantly enhanced catalytic activity. The lithium-oxygen battery has the potential to deliver extremely high energy densities; …
DOI: 10.3390/catal10121479 Corpus ID: 230594701; Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with High Round-Trip Efficiency @article{Kim2020RedoxMediatedPC, title={Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with High Round-Trip Efficiency}, author={Min-Cheol Kim and Jung Hyun …
Introduction. As one of the most promising candidates for energy storage systems, lithium–sulfur (Li–S) batteries (LSBs) stand out due to their high theoretical energy density of 2600 Wh kg −1 and 2800 Wh L −1.Moreover, sulfur is a naturally abundant, low-cost, and environmentally friendly by-product of the petroleum [1], [2], …
1. Introduction. Rechargeable lithium-sulfur (Li-S) batteries are assembled by Li-anode, sulfur-cathode, and liquid electrolytes (with separators) or solid electrolytes, which can store the electric energy with the theoretical energy density of 2600 Wh·kg −1 by the redox reactions of sulfur to Li 2 S [1].The low material cost and eco-friendliness …
High-energy-density lithium metal batteries (LMBs) are limited by reaction or diffusion barriers with dissatisfactory electrochemical kinetics. Typical conversion-type lithium sulfur battery systems exemplify the kinetic challenges. Namely, before diffusing or reacting in the electrode surface/inter …
Lithium–oxygen batteries tend to experience high overpotentials because of the sluggish oxygen reduction reaction and oxygen evolution reaction during cycling. A potential solution to address this issue is to develop an advanced cathode to accelerate the reaction kinetics during the electrochemical process. In the present work, …
2 · Anode-free Lithium metal batteries, with their high energy density (>500 Wh/kg), are emerging as a promising solution for high-energy-density rechargeable batteries. …
Single‐atom catalysts (SACs) have been widely explored as additives to improve the performance of lithium–sulfur (Li–S) batteries, however, the design of highly catalytic and in‐depth ...
In this Perspective, we discuss the related issues of catalysis in secondary rechargeable batteries. We divide this article into three parts based on the purpose of catalysis (Figure 1). First, we review and discuss the conventional catalysts used in lithium-sulfur batteries (LSBs) and lithium-oxygen batteries (LOBs).
The abundant atomically dispersed Ru sites on the surface of catalyst provide a large number of oxygen adsorption and Li 2 O 2 nucleation sites. The …
Recognition and Application of Catalysis in Secondary ...