Results 321 to 330 of about 39,422 (338)

Mo2N–W2N Heterostructures Embedded in Spherical Carbon Superstructure as Highly Efficient Polysulfide Electrocatalysts for Stable Room‐Temperature Na–S Batteries

Advances in Materials, 2021
Room‐temperature sodium–sulfur (RT Na–S) batteries are highly desirable for a sustainable large‐scale energy‐storage system due to their high energy density and low cost.
Shipeng Zhang, Yu Yao, Xiaojuan Jiao, Mingze Ma, Huijuan Huang, Xuefeng Zhou, Lifeng Wang, Jintao Bai, Yan Yu   +8 more
semanticscholar   +1 more source

Design of Novel Transition-Metal-Doped C6N2 with High-Efficiency Polysulfide Anchoring and Catalytic Performances toward Application in Lithium-Sulfur Batteries.

ACS Applied Materials and Interfaces, 2022
Lithium-sulfur (Li-S) batteries are highly expected because of their high theoretical specific capacity and energy density. However, its application still faces challenges, including the shuttle effect affecting the sulfur reduction reaction, the high ...
Cheng He, Yu-Cang Liang, Wenxue Zhang
semanticscholar   +1 more source

Insight into MoS2–MoN Heterostructure to Accelerate Polysulfide Conversion toward High‐Energy‐Density Lithium–Sulfur Batteries

Advanced Energy Materials, 2021
Lithium–sulfur batteries are deemed as optimal energy devices for the next generation of high‐energy‐density energy storage. However, several problems such as low energy density and short cycle life hinder their application in industry.
Sizhe Wang, Shaopei Feng, Jianwen Liang, Qingmei Su, Feipeng Zhao, Haojie Song, M. Zheng, Qian Sun, Zhongxin Song, Xiaohua Jia, Jin Yang, Yong Li, J. Liao, Ruying Li, X. Sun   +14 more
semanticscholar   +1 more source

Pulverizing Fe2O3 Nanoparticles for Developing Fe3C/N‐Codoped Carbon Nanoboxes with Multiple Polysulfide Anchoring and Converting Activity in Li‐S Batteries

Advanced Functional Materials, 2021
Sluggish redox kinetics, shuttle effect, poor conductivity, and large volume change of sulfur limit the practical applications of lithium‐sulfur batteries.
C. Zhou, Xiangcun Li, Helong Jiang, Yu Ding, G. He, Jiao Guo, Zhong Chu, Guihua Yu   +7 more
semanticscholar   +1 more source

Inhibition of Polysulfide Shuttles in Li–S Batteries: Modified Separators and Solid‐State Electrolytes

Advanced Energy Materials, 2020
Lithium–sulfur (Li–S) batteries are one of the most promising next‐generation energy storage systems due to their ultrahigh theoretical specific capacity.
Shulian Li, Weifeng Zhang, Jiafen Zheng, Mengyuan Lv, Huiyu Song, L. Du   +5 more
semanticscholar   +1 more source

MoC‐MoSe2 Heterostructures as Multifunctional Catalyst Toward Promoting the Stepwise Polysulfide Conversion for Lithium‐Sulfur Batteries

Advanced Functional Materials
Catalyzing polysulfides conversion for lithium‐sulfur batteries is an efficient strategy to overcome the sluggish kinetics of polysulfides conversion as well as its serious shuttling effect.
Wenlong Xia, Yufang Chen, Mingyu Han, Xingqiao Wu, Hankun Yang, Keyang Fu, Manfang Chen, Xianyou Wang, H. Shu   +8 more
semanticscholar   +1 more source

Engineering Oxygen Vacancies in a Polysulfide‐Blocking Layer with Enhanced Catalytic Ability

Advances in Materials, 2020
The practical application of the lithium–sulfur (Li–S) battery is seriously restricted by its shuttle effect, low conductivity, and low sulfur loading.
Zhaohuai Li, Cheng Zhou, Junhui Hua, Xufeng Hong, Congli Sun, Hai-Wen Li, Xu Xu, L. Mai   +7 more
semanticscholar   +1 more source

Polysulfide regulation by zwitterionic barrier towards durable lithium-sulfur batteries.

Journal of the American Chemical Society, 2020
Rational regulation on polysulfide behaviors is of great significance in pursuit of reliable solution-based lithium-sulfur (Li-S) battery chemistry. Herein, we develop a unique polymeric zwitterion (PZI) to establish a smart polysulfide regulation in Li ...
Gaoran Li, Fei Lu, Xiaoyuan Dou, Xin Wang, Dan Luo, Hao Sun, A. Yu, Zhongwei Chen   +7 more
semanticscholar   +1 more source

Defective Graphitic Carbon Nitride Modified Separators with Efficient Polysulfide Traps and Catalytic Sites for Fast and Reliable Sulfur Electrochemistry

Advanced Functional Materials, 2021
The serious shuttle effect of lithium‐sulfur batteries limits the efficient realization of high rate charging and discharging under high sulfur loading in practical applications.
Zhaoming Tong, Liang Huang, Haipeng Liu, W. Lei, Haijun Zhang, Shaowei Zhang, Q. Jia   +6 more
semanticscholar   +1 more source

3D Printing of a V8C7–VO2 Bifunctional Scaffold as an Effective Polysulfide Immobilizer and Lithium Stabilizer for Li–S Batteries

Advances in Materials, 2020
Lithium–sulfur (Li–S) batteries have heretofore attracted tremendous interest due to low cost and high energy density. In this realm, both the severe shuttling of polysulfide and the uncontrollable growth of dendritic lithium have greatly hindered their ...
Jingsheng Cai, Jiamei Jin, Zhaodi Fan, Chao Li, Zixiong Shi, Jingyu Sun, Zhongfan Liu   +6 more
semanticscholar   +1 more source