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Updated: Sep 18, 2025
07:23
Construction and Testing of Coin Cells of Lithium Ion Batteries
Published on: August 2, 2012
31.9K
Anion Regulation for High-Performance Lithium-Sulfur Batteries
Jiaqi Lan1, Yun Cao1, Chuannan Geng1
1Shenzhen Geim Graphene Center, Engineering Laboratory for Functionalized Carbon Materials, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China.
Advanced Materials (Deerfield Beach, Fla.)
|June 25, 2025
Summary
Anion engineering is crucial for improving lithium-sulfur (Li-S) batteries by addressing polysulfide shuttle and lithium metal anode instability. This review details anion influences on Li-S battery performance, guiding future development.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Lithium-sulfur (Li-S) batteries offer high energy density but face challenges like polysulfide (PS) anion shuttle and lithium metal anode (LMA) instability.
- Salt anions significantly impact electrolyte properties, electrode-electrolyte interphases, and crucially, Li-S battery performance due to PS anion involvement in sulfur redox kinetics.
Purpose of the Study:
- To provide fundamental considerations for anion engineering in Li-S batteries.
- To comprehensively review the electrochemical behaviors of anions and summarize recent advancements in anion regulation for Li-S battery cathodes and anodes.
Main Methods:
- Literature review and comprehensive analysis of electrochemical behaviors of anions in Li-S systems.
- Summarization of recent research on anion regulation strategies for sulfur cathodes and lithium metal anodes.
Main Results:
- Anions critically influence PS dissolution, adsorption, conversion kinetics, and pathways at the sulfur cathode.
- Anions affect lithium diffusion kinetics, solid electrolyte interphase (SEI) formation, and anti-corrosion properties at the LMA.
Conclusions:
- Anion engineering is a vital strategy for overcoming key challenges in Li-S battery technology.
- Further investigation into anion characteristics is essential for identifying optimal anions to enhance Li-S battery performance and stability.
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