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Published on: January 20, 2023
Multidimensional Nanostructure Engineering in Practical Lithium-sulfur Batteries
Xing Chen1,2, Zhonghao Hu1, Jiwei Shi1
1Shenzhen All-Solid-State Lithium Battery Electrolyte Engineering Research Center, Shenzhen Key Laboratory For Graphene-based Materials, Green Hydrogen Technology of Guangdong Higher Education Institutes, Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China.
Multidimensional nanostructure engineering advances lithium-sulfur batteries by addressing sluggish kinetics and polysulfide shuttling. This strategy integrates adsorption, catalysis, and transport functions for improved energy storage.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Lithium-sulfur batteries offer high theoretical energy density but face challenges like slow redox kinetics and polysulfide shuttling.
- Efficient electron/ion transport is crucial for practical lithium-sulfur battery performance.
Purpose of the Study:
- To review multidimensional nanostructure engineering strategies for lithium-sulfur battery cathodes.
- To categorize recent advances in cathode design based on dimensional synergy and transformation.
- To highlight the integration of adsorption, catalysis, and transport functions in nanostructured cathodes.
Main Methods:
- Systematic review of zero-dimensional to three-dimensional nanostructured cathode materials.
- Categorization of strategies into intra-dimensional synergy, inter-dimensional coupling, and dimensional transformation.
- Analysis of how material dimensionality impacts catalytic activity, sulfide deposition, and mass transport.
Main Results:
- Multidimensional nanostructure engineering effectively addresses key limitations in lithium-sulfur batteries.
- Rational coordination of materials across dimensions enhances catalytic activity and regulates lithium sulfide deposition.
- Improved mass transport is achieved in thick electrodes through optimized nanostructure design.
Conclusions:
- Nanostructure engineering is a promising approach to overcome challenges in lithium-sulfur battery cathodes.
- Bridging nanoscale functional design with practical battery performance is essential for future development.
- Further research opportunities lie in optimizing multidimensional strategies for enhanced energy storage.
