Ordered and Expanded Li Ion Channels for Dendrite‐Free and Fast Kinetics Lithium–Sulfur Battery

Abstract The uncontrolled polysulfide shuttling and lithium dendrite growth greatly impede the practical implementation of Li–S batteries. These issues can be alleviated by constructing an artificial layer that immobilizes soluble polysulfides and regulates Li + flux. Here, a layer‐expanded lithium montmorillonite is fabricated through molecular intercalation to serve as a dual regulator for Li–S batteries. The lithiophilic montmorillonite, with its ordered and expanded Li + diffusion channels, exhibits a high transference number, and promotes homogeneous Li deposition. Additionally, its moderate adsorption of polysulfides, combined with favorable Li diffusion behavior, enhanced the redox kinetics of sulfur species. This unique structure enables a prolonged lifespan of 1000 cycles at 0.5C with a low capacity decay of 0.04% per cycle for practical Li–S batteries.

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Institutions

Publication Details

Journal
Advanced Functional Materials
Published
2024-11-24
DOI
https://doi.org/10.1002/adfm.202419165
Citations
17
Primary Topic
Advanced Battery Materials and Technologies
Type
article
Field-Weighted Citation Impact
3.55

Funders

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article

Ordered and Expanded Li Ion Channels for Dendrite‐Free and Fast Kinetics Lithium–Sulfur Battery

Yirui Deng, Shi‐Xi Zhao, Da‐Qian Cai, Jin‐Lin Yang et al.
17 citations
Advanced Functional Materials
Advanced Battery Materials and Technologies
3.55
article

Ordered and Expanded Li Ion Channels for Dendrite‐Free and Fast Kinetics Lithium–Sulfur Battery

Yirui Deng, Shi‐Xi Zhao, Da‐Qian Cai, Jin‐Lin Yang, Jianwei Zhao, Tong Gao, Huan Liu, Ruiping Liu, Shuyu Zhou, Ruihua Rao
article en
17 citations

Abstract

Abstract The uncontrolled polysulfide shuttling and lithium dendrite growth greatly impede the practical implementation of Li–S batteries. These issues can be alleviated by constructing an artificial layer that immobilizes soluble polysulfides and regulates Li + flux. Here, a layer‐expanded lithium montmorillonite is fabricated through molecular intercalation to serve as a dual regulator for Li–S batteries. The lithiophilic montmorillonite, with its ordered and expanded Li + diffusion channels, exhibits a high transference number, and promotes homogeneous Li deposition. Additionally, its moderate adsorption of polysulfides, combined with favorable Li diffusion behavior, enhanced the redox kinetics of sulfur species. This unique structure enables a prolonged lifespan of 1000 cycles at 0.5C with a low capacity decay of 0.04% per cycle for practical Li–S batteries.

Advanced Functional MaterialsVol. 35(14)
Xi'an University of Science and Technology (CN), Nanyang Technological University (SG), China University of Mining and Technology (CN), Beacon Tech (Israel) (IL), Tsinghua–Berkeley Shenzhen Institute (CN), Xi’an University (CN), Tsinghua University (CN)
National Natural Science Foundation of China, China Scholarship Council, Beijing Nova Program
Openalex Percentile: Top 7%
Advanced Battery Materials and Technologies
3.55
DOISourceOpenAlex
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