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| Research Progress of Cellulose-based Hydrogels as Electrolytes for Flexible Supercapacitors |
| Received:June 26, 2023 |
| DOI：10.11981/j.issn.1000-6842.2023.03.24 |
| Key Words:flexible supercapacitor;cellulose materials;hydrogel;electrolyte;new energy materials |
| Fund Project:山东省自然科学基金（ZR2020QE086，ZR2022MC104）；国家自然科学基金项目（52003128）。 |
| Author Name | Affiliation | Postcode | | SUN Yuanjun* | State Key Laboratory of Biobased Material and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353
Faculty of Light Industry， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 | | PANG Zhiqiang | State Key Laboratory of Biobased Material and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353
Faculty of Light Industry， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 | | DONG Cuihua | State Key Laboratory of Biobased Material and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353
Faculty of Light Industry， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 | | MA Li | Faculty of Light Industry， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 | | WANG Xin | Faculty of Light Industry， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 |
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| Abstract: |
| Traditional supercapacitors are mostly assembled with liquid electrolytes， but when they are damaged by too much external force， the toxic and volatile liquid electrolyte will leak， which will lead to safety risks. To meet the challenge， flexible supercapacitors need to be developed to resist the damage of external forces. In recent years， cellulosic materials have become ideal materials for energy storage devices due to their green， economic， and renewable characteristics， and supercapacitors composed of cellulosic hydrogels show good physical and chemical properties （such as high flexibility， excellent mechanical strength， and electrical conductivity）. Therefore， the application of cellulose-based hydrogels in the field of flexible supercapacitors has become a research hotspot. This paper reviews the latest progress and achievements of cellulose-based hydrogel electrolytes， including the properties and characteristics of hydrogel electrolytes prepared by different cellulose and its derivatives. Finally， the future research potential and opportunities of cellulosic materials as new energy materials are discussed. |
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