Results 261 to 270 of about 27,752 (344)

Polyoxometalate-cyclodextrin-based Cluster-Organic Supramolecular Framework for Polysulfide Conversion and Guest-host Recognition in Lithium-sulfur Batteries.

Angewandte Chemie, 2023
Developing polyoxometalate-cyclodextrin cluster-organic supramolecular framework (POM-CD-COSF) still remains challenging due to an extremely difficult task in rationally interconnecting two dissimilar building blocks.
Lubin Ni, Jie Gu, Xinyuan Jiang, Hongjie Xu, Zhen Wu, Yuchao Wu, Yi Liu, Ju Xie, Yongge Wei, G. Diao   +9 more
semanticscholar   +1 more source

Lithium–Sulfur Battery Cathode Design: Tailoring Metal‐Based Nanostructures for Robust Polysulfide Adsorption and Catalytic Conversion

Advances in Materials, 2021
Lithium–sulfur (Li‐S) batteries have a high specific energy capacity and density of 1675 mAh g−1 and 2670 Wh kg−1, respectively, rendering them among the most promising successors for lithium‐ion batteries.
Sue-Faye Ng, M. Lau, Wee‐Jun Ong
semanticscholar   +1 more source

High Entropy Sulfide Nanoparticles as Lithium Polysulfide Redox Catalysts.

ACS Nano, 2023
The polysulfide shuttle contributes to capacity loss in lithium-sulfur batteries, which limits their practical utilization. Materials that catalyze the complex redox reactions responsible for the polysulfide shuttle are emerging, but foundational ...
M. J. Theibault, Connor R. McCormick, Shuangyan Lang, R. Schaak, H. Abruña   +4 more
semanticscholar   +1 more source

Identifying the Role of the Cationic Geometric Configuration in Spinel Catalysts for Polysulfide Conversion in Sodium-Sulfur Batteries.

Journal of the American Chemical Society, 2023
An AB2X4 spinel structure, with tetrahedral A and octahedral B sites, is a paradigmatic class of catalysts with several possible geometric configurations and numerous applications, including polysulfide conversion in metal-sulfur batteries.
Chaoqi Zhang, Xuan Lu, Xu Han, Jing Yu, Chaoqi Zhang, Chen Huang, L. Balcells, A. G. Manjón, Jordi Jacas Biendicho, Junshan Li, J. Arbiol, G. Sun, J. Zhou, A. Cabot   +13 more
semanticscholar   +1 more source

The link to polysulfides and their applications

Chemical Communications, 2021
Inverse vulcanisation converts sulfur into polysulfide via ring opening polymerisation followed by stabilisation using a variety of different crosslinkers. The linkers dictate the properties of the materials and lead to diverse applications.
Kun Woo Park, Erin M. Leitao
openaire   +2 more sources

Niobium Diboride Nanoparticles Accelerating Polysulfide Conversion and Directing Li2S Nucleation Enabled High Areal Capacity Lithium-Sulfur Batteries.

ACS Nano, 2022
The shuttle effect of polysulfides and Li2S sluggish nucleation are the major problems hampering the further development of lithium-sulfur batteries. The reasonable design for sulfur host materials with catalytic function has been an effective strategy ...
Bin Wang, Lu Wang, Bo Zhang, Suyuan Zeng, Fang Tian, Jia-tai Dou, Yitai Qian, Liqiang Xu   +7 more
semanticscholar   +1 more source

Self‐Assembly of 0D–2D Heterostructure Electrocatalyst from MOF and MXene for Boosted Lithium Polysulfide Conversion Reaction

Advances in Materials, 2021
The design of nanostructured electrocatalysts with high activity and long‐term durability for the sluggish lithium polysulfide (LiPS) conversion reaction is essential for the development of high‐performance lithium–sulfur (Li–S) batteries. Here, the self‐
Zhengqing Ye, Ying Jiang, Li Li, Feng Wu, Renjie Chen   +4 more
semanticscholar   +1 more source

A High‐Efficiency Mo2C Electrocatalyst Promoting the Polysulfide Redox Kinetics for Na–S Batteries

Advances in Materials, 2022
Room‐temperature sodium–sulfur (RT Na–S) batteries, as promising next‐generation energy storage candidates, are drawing more and more attention due to the high energy density and abundant elements reserved in the earth.
Xuefeng Zhou, Zu-da Yu, Yu Yao, Yu Jiang, X. Rui, Jiaqin Liu, Yan Yu   +6 more
semanticscholar   +1 more source

Strain Engineering of a MXene/CNT Hierarchical Porous Hollow Microsphere Electrocatalyst for a High-Efficiency Lithium Polysulfide Conversion Process.

Angewandte Chemie, 2021
Tensile-strained Mxene/carbon nanotube (CNT) porous microspheres were developed as an electrocatalyst for the lithium polysulfide (LiPS) redox reaction. The internal stress on the surface results in lattice distortion with expanding Ti-Ti bonds, endowing
Xin Wang, Dan Luo, Jiayi Wang, Zhenghao Sun, Guoliang Cui, Yuxuan Chen, Tong Wang, Lirong Zheng, Yan Zhao, L. Shui, Guofu Zhou, K. Kempa, Yongguang Zhang, Zhongwei Chen   +13 more
semanticscholar   +1 more source

Utilizing the Built‐in Electric Field of p–n Junctions to Spatially Propel the Stepwise Polysulfide Conversion in Lithium–Sulfur Batteries

Advances in Materials, 2021
Integrating sulfur cathodes with effective catalysts to accelerate polysulfide conversion is a suitable way for overcoming the serious shuttling and sluggish conversion of polysulfides in lithium–sulfur batteries.
Hongtai Li, Chi Chen, Yingying Yan, Tianran Yan, Chen Cheng, Dan Sun, Liang Zhang   +6 more
semanticscholar   +1 more source