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Recent progress in layered double hydroxide based materials for electrochemical capacitors: design, synthesis and
Mingming Zhao1, Qunxing Zhao, Bing Li
1School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225009, Jiangsu, P. R. China. huanpangchem@hotmail.com panghuan@yzu.edu.cn.
Layered double hydroxides (LDHs) are versatile 2D materials for electrochemical capacitors (ECs). This review details their synthesis, composites, and performance for sustainable energy storage.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Layered double hydroxides (LDHs) are emerging 2D materials with tunable properties.
- Their unique structure offers advantages for electrochemical energy storage and conversion.
Purpose of the Study:
- To review recent advancements in LDH synthesis and electrochemical performance.
- To explore LDH composites for enhanced electrode materials in electrochemical capacitors (ECs).
Main Methods:
- Review of synthesis strategies for LDHs.
- Analysis of electrochemical performance data for various LDH-based electrodes.
- Compilation of composite materials including carbon, metals, metal oxides, sulfides, phosphides, MOFs, and polymers.
Main Results:
- LDHs exhibit large specific surface areas and favorable transport properties for ECs.
- Composites enhance electrochemical performance through synergistic effects.
- Structure-property relationships and charge-storage mechanisms are elucidated.
Conclusions:
- LDHs are promising for high-performance electrochemical capacitors.
- Further research into LDH composites can drive sustainable energy storage solutions.
- Challenges and future prospects for LDH-based ECs are highlighted.
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