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Recognition of Ionic Liquids as High-Voltage Electrolytes for Supercapacitors
Shanshan Pan1,2, Meng Yao1,2, Jiahe Zhang1
1Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China.
Ionic liquids (ILs) offer safer, high-performance electrolytes for supercapacitors. This review details their energy storage mechanisms and potential for advanced energy storage systems.
Area of Science:
- Electrochemistry
- Materials Science
- Energy Storage
Background:
- Electrochemical stability is crucial for supercapacitor electrolytes.
- Ionic liquids (ILs) are promising alternatives to organic electrolytes due to their safety and performance.
- Supercapacitors with IL electrolytes show potential for advanced energy storage.
Purpose of the Study:
- To review progress in ionic liquid (IL) electrolytes for supercapacitors.
- To emphasize the understanding of energy storage mechanisms in IL-based supercapacitors.
- To discuss advancements, challenges, and future directions in IL electrolytes for supercapacitors.
Main Methods:
- Comprehensive literature review of IL electrolytes in supercapacitors.
- Analysis of energy storage mechanisms and electrochemical performance.
- Comparison of different IL-based electrolytes and ionogels.
Main Results:
- IL electrolytes enhance supercapacitor energy density and electrochemical stability.
- Understanding of IL-based energy storage mechanisms is advancing.
- Ionogel electrolytes show promise for flexible supercapacitors.
Conclusions:
- Ionic liquids are key to developing safer and more efficient supercapacitors.
- Further research into IL electrolytes will drive innovation in energy storage.
- Addressing challenges in IL electrolytes is vital for future applications.
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