Progress on Continuum Modeling of Lithium Sulfur Batteries

2021 ◽  
Author(s):  
Caitlin D. Parke ◽  
Linnette Teo ◽  
Daniel T Schwartz ◽  
Venkat R. Subramanian
Keyword(s):  
Energy Density ◽  
Coulombic Efficiency ◽  
Cycle Life ◽  
Next Generation ◽  
Continuum Modeling ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

While lithium sulfur batteries are a promising next-generation chemistry due to their high theoretical energy density, commercialization has been slow due to low coulombic efficiency and poor cycle life. This...

Cellulose Separators with Integrated Carbon Nanotube Interlayers for Lithium-Sulfur Batteries: An Investigation into the Complex Interplay Between Cell Components

2019 ◽  
Author(s):  
Yu-Chuan Chien ◽  
Ruijun Pan ◽  
Ming-Tao Lee ◽  
Leif Nyholm ◽  
Daniel Brandell ◽  
...  
Keyword(s):  
Coulombic Efficiency ◽  
Solid Electrolyte Interphase ◽  
Holistic Approach ◽  
Cycle Life ◽  
Complex Interplay ◽  
Positive Electrodes ◽  
Lithium Sulfur Batteries ◽  
Cell Components ◽  
Redox Shuttle ◽  
Lithium Sulfur

This work aims to address two major roadblocks in the development of lithium-sulfur (Li-S) batteries: the inefficient deposition of Li on the metallic Li electrode and the parasitic "polysulfide redox shuttle". These roadblocks are here approached, respectively, by the combination of a cellulose separator with a cathode-facing conductive porous carbon interlayer, based on their previously reported individual benefits. The cellulose separator increases cycle life by 33%, and the interlayer by a further 25%, in test cells with positive electrodes with practically relevant specifications and a relatively low electrolyte/sulfur (E/S) ratio. Despite the prolonged cycle life, the combination of the interlayer and cellulose separator increases the polysulfide shuttle current, leading to reduced Coulombic efficiency. Based on XPS analyses, the latter is ascribed to a change in the composition of the solid electrolyte interphase (SEI) on Li. Meanwhile, electrolyte decomposition is found to be slower in cells with cellulose-based separators, which explains their longer cycle life. These counterintuitive observations demonstrate the complicated interactions between the cell components in the Li-S system and how strategies aiming to mitigate one unwanted process may exacerbate another. This study demonstrates the value of a holistic approach to the development of Li-S chemistry.<br>

Sulfurized Polyacrylonitrile for High-Performance Lithium Sulfur Batteries: Advances and Prospects

2021 ◽  
Author(s):  
Xiaohui Zhao ◽  
Chonglong Wang ◽  
Ziwei Li ◽  
Xuechun Hu ◽  
Amir A. Razzaq ◽  
...  
Keyword(s):  
Energy Density ◽  
High Performance ◽  
Specific Capacity ◽  
Rechargeable Batteries ◽  
Next Generation ◽  
Lithium Sulfur Batteries ◽  
Theoretical Specific Capacity ◽  
Lithium Sulfur

The lithium sulfur (Li-S) batteries have a high theoretical specific capacity (1675 mAh g-1) and energy density (2600 Wh kg-1), exerting a high perspective as the next-generation rechargeable batteries for...

Catalytic Separator with Co–N–C Nanoreactor for High-Performance Lithium-Sulfur Batteries

2021 ◽  
Author(s):  
Longtao Ren ◽  
Qian Wang ◽  
Yajie Li ◽  
Cejun Hu ◽  
Yajun Zhao ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
High Performance ◽  
Next Generation ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Rechargeable lithium-sulfur (Li–S) batteries are considered one of the most promising next-generation energy storage devices because of their high theoretical energy density. However, the dissolution of lithium polysulfides (LiPSs) in...

Core-shell structured S@CuO/δ-MnO2 composites as cathodes for lithium-sulfur batteries

CrystEngComm ◽  
2021 ◽  
Author(s):  
Guiying Xu ◽  
Yongying Li ◽  
Hui Cheng ◽  
Guan Liu ◽  
Ziyang Yang ◽  
...  
Keyword(s):  
Coulombic Efficiency ◽  
Cycle Life ◽  
Core Shell ◽  
Practical Application ◽  
Short Cycle ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur ◽  
Capacity Decay

The dissolution of polysulfides (LiPSs) always leads to low Coulombic efficiency, dramatic capacity decay, and short cycle life, which hinders the practical application of lithium-sulfur (Li-S) batteries. In this study,...

Perovskite-type La0.56Li0.33TiO3 as an effective polysulfide promoter for stable lithium–sulfur batteries in lean electrolyte conditions

2019 ◽  
Vol 7 (17) ◽  
pp. 10293-10302 ◽  
Author(s):  
Manfang Chen ◽  
Cheng Huang ◽  
Yongfang Li ◽  
Shouxin Jiang ◽  
Peng Zeng ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
Next Generation ◽  
Lithium Sulfur Batteries ◽  
Perovskite Type ◽  
Lithium Sulfur

Lithium–sulfur batteries (LSBs) are promising candidates for next-generation energy storage equipment due to their high theoretical energy density.

Challenges and key parameters in exploring cyclability limitation of practical lithium-sulfur batteries

2021 ◽  
Author(s):  
Zhilong Han ◽  
Shuping Li ◽  
Yuanke Wu ◽  
Chuang Yu ◽  
Shijie Cheng ◽  
...  
Keyword(s):  
Energy Density ◽  
Low Cost ◽  
Ultrahigh Energy ◽  
Next Generation ◽  
Lithium Sulfur Batteries ◽  
Power Storage ◽  
Storage Technologies ◽  
Generation Power ◽  
Lithium Sulfur

Lithium−sulfur (Li–S) batteries have become the most promising candidates for next-generation power storage technologies owing to their ultrahigh energy density and low cost. However, the practical Li–S batteries, operated under...

Topochemically Constructed Flexible Heterogeneous Vanadium-based Electrocatalyst for Boosted Conversion Kinetics of Polysulfides in Li-S Batteries

2021 ◽  
Author(s):  
Yadong Yang ◽  
Xingxing Li ◽  
Rongjie Luo ◽  
Xuming Zhang ◽  
Jijiang Fu ◽  
...  
Keyword(s):  
Energy Density ◽  
Low Cost ◽  
High Energy ◽  
Rechargeable Batteries ◽  
Ultrahigh Energy ◽  
Next Generation ◽  
Practical Application ◽  
Lithium Sulfur Batteries ◽  
Kinetics Of ◽  
Lithium Sulfur

Lithium-sulfur batteries (LSBs) are considered as one of the most promising next-generation high-energy rechargeable batteries due to the ultrahigh energy density and low cost, however, the practical application has been...

scholarly journals Lychee-like TiO2@TiN dual-function composite material for lithium–sulfur batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (5) ◽  
pp. 2670-2676 ◽  
Author(s):  
Wei Xu ◽  
Huimei Pang ◽  
Heliang Zhou ◽  
Zhixu Jian ◽  
Riming Hu ◽  
...  
Keyword(s):  
Composite Material ◽  
Energy Density ◽  
High Energy ◽  
Rechargeable Batteries ◽  
High Energy Density ◽  
Dual Function ◽  
Next Generation ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Lithium–sulfur (Li–S) batteries are promising candidates for next generation rechargeable batteries because of their high energy density of 2600 W h kg−1.

scholarly journals A thin TiO2 NTs/GO hybrid membrane applied as an interlayer for lithium–sulfur batteries

RSC Advances ◽  
2018 ◽  
Vol 8 (1) ◽  
pp. 429-434 ◽  
Author(s):  
Haimei Song ◽  
Chen Zuo ◽  
Xiaoqian Xu ◽  
Yuanxin Wan ◽  
Lijie Wang ◽  
...  
Keyword(s):  
Energy Density ◽  
High Energy ◽  
Hybrid Membrane ◽  
High Energy Density ◽  
Great Promise ◽  
Next Generation ◽  
Lithium Sulfur Batteries ◽  
Tio2 Nts ◽  
Lithium Sulfur

Lithium–sulfur batteries hold great promise for serving as next generation high energy density batteries.

Cellulose Separators with Integrated Carbon Nanotube Interlayers for Lithium-Sulfur Batteries: An Investigation into the Complex Interplay Between Cell Components

2019 ◽  
Author(s):  
Yu-Chuan Chien ◽  
Ruijun Pan ◽  
Ming-Tao Lee ◽  
Leif Nyholm ◽  
Daniel Brandell ◽  
...  
Keyword(s):  
Coulombic Efficiency ◽  
Solid Electrolyte Interphase ◽  
Holistic Approach ◽  
Cycle Life ◽  
Complex Interplay ◽  
Positive Electrodes ◽  
Lithium Sulfur Batteries ◽  
Cell Components ◽  
Redox Shuttle ◽  
Lithium Sulfur

This work aims to address two major roadblocks in the development of lithium-sulfur (Li-S) batteries: the inefficient deposition of Li on the metallic Li electrode and the parasitic "polysulfide redox shuttle". These roadblocks are here approached, respectively, by the combination of a cellulose separator with a cathode-facing conductive porous carbon interlayer, based on their previously reported individual benefits. The cellulose separator increases cycle life by 33%, and the interlayer by a further 25%, in test cells with positive electrodes with practically relevant specifications and a relatively low electrolyte/sulfur (E/S) ratio. Despite the prolonged cycle life, the combination of the interlayer and cellulose separator increases the polysulfide shuttle current, leading to reduced Coulombic efficiency. Based on XPS analyses, the latter is ascribed to a change in the composition of the solid electrolyte interphase (SEI) on Li. Meanwhile, electrolyte decomposition is found to be slower in cells with cellulose-based separators, which explains their longer cycle life. These counterintuitive observations demonstrate the complicated interactions between the cell components in the Li-S system and how strategies aiming to mitigate one unwanted process may exacerbate another. This study demonstrates the value of a holistic approach to the development of Li-S chemistry.<br>

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