Results 71 to 80 of about 6,770 (239)

Two‐dimensional MXenes for lithium‐sulfur batteries

InfoMat, 2020
Rechargeable lithium‐sulfur (Li‐S) batteries have attracted significant research attention due to their high capacity and energy density. However, their commercial applications are still hindered by challenges such as the shuttle effect of soluble ...
Chuanfang (John) Zhang, Linfan Cui, Sina Abdolhosseinzadeh, Jakob Heier   +3 more
doaj   +1 more source

Revisiting the Role of Polysulfides in Lithium–Sulfur Batteries

Advanced Materials, 2018
AbstractIntermediate polysulfides (Sn, where n = 2–8) play a critical role in both mechanistic understanding and performance improvement of lithium–sulfur batteries. The rational management of polysulfides is of profound significance for high‐efficiency sulfur electrochemistry.
Gaoran Li, Shun Wang, Yining Zhang, Matthew Li, Zhongwei Chen, Jun Lu   +5 more
openaire   +3 more sources

Nanoscopic Imaging the Lithiation of Sulfur Nanoparticles under Electron Beam Irradiation

Advanced Science, EarlyView.
ABSTRACT In situ Transmission Electron Microscopy (TEM) provides powerful insights into the reaction mechanisms of Lithium‐Sulfur (Li‐S) batteries. However, distinguishing intrinsic electrochemical behaviors from artifacts induced by high‐energy electron beam irradiation remains a critical challenge.
Rui Huang, Xingyu Zhang, Xingqi Liao, Ruilin Bai, Xianqi Wu, Junlei Xiang, Sheng Cheng, Yifan Zhang, Jing Wang, Hongfa Xiang, Juyeong Kim, Qiaobao Zhang, Yu Yao, Xiaohui Song   +13 more
wiley   +1 more source

Development of high-energy non-aqueous lithium-sulfur batteries via redox-active interlayer strategy

Nature Communications, 2022
Lithium-sulfur batteries promise high energy density, but polysulfide shuttling acts as a major stumbling block toward practical development. Here, a redox-active interlayer is proposed to confine polysulfides, increase the cell capacity and improve cell
Byong-June Lee, Chen Zhao, Jeong-Hoon Yu, Tong-Hyun Kang, Hyean-Yeol Park, Joonhee Kang, Yongju Jung, Xiang Liu, Tianyi Li, Wenqian Xu, Xiao-Bing Zuo, Gui-Liang Xu, Khalil Amine, Jong-Sung Yu   +13 more
doaj   +1 more source

Exploring 3D microstructural evolution in Li-Sulfur battery electrodes using in-situ X-ray tomography [PDF]

, 2016
Lithium sulfur (Li-S) batteries offer higher theoretical specific capacity, lower cost and enhanced safety compared to current Li-ion battery technology.
Bakenov, Zhumabay, Brett, Daniel J. L., Daemi, Sohrab R., Darr, Jawwad A., Shearing, Paul R., Tan, Chun, Yermukhambetova, Assiya   +6 more
core   +1 more source

Passivation‐Induced Species Dynamics and Microstructural Evolution in Solid‐State Lithium–Sulfur Cathodes

Advanced Science, EarlyView.
The formation of insulating Li2S during discharge in solid‐state lithium–sulfur batteries passivate reaction sites and limits sulfur utilization. In this work, a microstructure‐resolved modeling framework coupling transport and reaction kinetics is developed to predict charge–discharge behavior and reveal particle‐scale species evolution and incomplete
Arpan K. Sharma, Bairav S. Vishnugopi, Elif Pınar Alsaç, Matthew T. McDowell, Partha P. Mukherjee   +4 more
wiley   +1 more source

β-FeOOH Interlayer With Abundant Oxygen Vacancy Toward Boosting Catalytic Effect for Lithium Sulfur Batteries

Frontiers in Chemistry, 2020
Due to the shuttle effect and low conductivity of sulfur (S), it has been challenging to realize the application of lithium-sulfur (Li-S) batteries with high performance and long cyclability. In this study, a high catalytic active CNTs@FeOOH composite is
Yingying Li, Xifei Li, Xifei Li, Xifei Li, Youchen Hao, Alibek Kakimov, Dejun Li, Qian Sun, Liang Kou, Zhanyuan Tian, Le Shao, Cheng Zhang, Jiujun Zhang, Jiujun Zhang, Xueliang Sun, Xueliang Sun, Xueliang Sun   +16 more
doaj   +1 more source

Mitigating Electrochemical Isolation in Ni-Rich Layered Cathodes for Durable Solid-State Batteries. [PDF]

Adv Sci (Weinh)
Electrochemical isolation of Ni‐rich layered cathodes in sulfide solid‐state batteries is uncovered as a previously unrecognized but critical performance‐limiting pathway. This study elucidates its origin and impact and introduces a scalable mitigation strategy using oxygen‐functionalized conductive carbon.
Bhadra A, Brunisholz M, Rawal A, Bonsu JO, Luo T, Thomsen L, Dose WM, Kundu D.   +7 more
europepmc   +2 more sources

Atomic Defects in Layered Transition Metal Dichalcogenides for Sustainable Energy Storage and the Intelligent Trends in Data Analytics

Advanced Science, EarlyView.
This review comprehensively summarizes the atomic defects in TMDs for their applications in sustainable energy storage devices, along with the latest progress in ML methodologies for high‐throughput TEM data analysis, offering insights on how ML‐empowered microscopy facilitates bridging structure–property correlation and inspires knowledge for precise ...
Zheng Luo, Ying Yang, Zizhen Fu, Fengqi Liu, Susu Fang, Kele Xu, Shanshan Wang   +6 more
wiley   +1 more source

A sulfur host based on titanium monoxide@carbon hollow spheres for advanced lithium–sulfur batteries

Nature Communications, 2016
The promise of lithium-sulfur batteries with higher energy densities than lithium-ion is hindered by the insulating nature of sulfur and dissolution of polysulfides.
Zhen Li, Jintao Zhang, Buyuan Guan, Da Wang, Li-Min Liu, Xiong Wen (David) Lou   +5 more
doaj   +1 more source