Results 271 to 280 of about 24,485 (341)

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

P‐Doped NiTe2 with Te‐Vacancies in Lithium–Sulfur Batteries Prevents Shuttling and Promotes Polysulfide Conversion

Advances in Materials, 2022
Lithium–sulfur (Li–S) batteries have been hindered by the shuttle effect and sluggish polysulfide conversion kinetics. Here, a P‐doped nickel tellurium electrocatalyst with Te‐vacancies (P⊂NiTe2−x) anchored on maize‐straw carbon (MSC) nanosheets, served ...
Weiqi Yao, Chengxiang Tian, Chao-Chen Yang, Jie Xu, Y. Meng, I. Manke, Nan Chen, Zi-ling Wu, L. Zhan, Yanli Wang, Renjie Chen   +10 more
semanticscholar   +1 more source

Understanding the Catalytic Kinetics of Polysulfide Redox Reactions on Transition Metal Compounds in Li-S Batteries.

ACS Nano, 2022
Because of their high energy density, low cost, and environmental friendliness, lithium-sulfur (Li-S) batteries are one of the potential candidates for the next-generation energy-storage devices.
Jiao Wu, Tongtong Ye, Yuchao Wang, Peiyao Yang, Qichen Wang, Wenyu Kuang, Xiaoli Chen, Gaohan Duan, Ling-min Yu, Zhaoqing Jin, J. Qin, Y. Lei   +11 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, Erin M. Leitao   +2 more
openaire   +3 more sources

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

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

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

Manipulating Electrocatalytic Polysulfide Redox Kinetics by 1D Core–Shell Like Composite for Lithium–Sulfur Batteries

Advanced Energy Materials, 2022
Although lithium–sulfur batteries have high theoretical energy density of 2600 Wh kg−1, the sluggish redox kinetics of soluble liquid polysulfide intermediates during discharge and charge is one of the main reasons for their limited battery performance ...
Chuanchuan Li, Weini Ge, Siyun Qi, Lin Zhu, Renzhi Huang, Mingwen Zhao, Yitai Qian, Liqiang Xu   +7 more
semanticscholar   +1 more source

Crosslinked Nanofiber‐Reinforced Solid‐State Electrolytes with Polysulfide Fixation Effect Towards High Safety Flexible Lithium–Sulfur Batteries

Advanced Functional Materials, 2022
Solid‐state lithium–sulfur (Li–S) batteries using gel polymer electrolytes have attracted much attention owing to their higher safety compared to liquid electrolytes and lower interfacial resistance compared to ceramic electrolytes.
Jinzhi Sheng, Qi Zhang, Chong Sun, Junxiong Wang, X. Zhong, Biao Chen, Chuang Li, Runhua Gao, Zhiyuan Han, Guangmin Zhou   +9 more
semanticscholar   +1 more source