纳米纤维素基功能性复合电极材料的研究进展

Research progress of functional composite electrode materials based on nanocellulose

日益增长的能源需求与不断加剧的环境危机使高性能储能装置成为近些年来的研究热点。根据功率和能量密度,储能设备可分为电化学电容器、二次电池和燃料电池等,其中电极材料在制备绿色环保和高性能储能器中起着重要作用。纳米纤维素来源丰富、环境友好、制备方法多样、高比表面积、优异的力学性能和良好的生物相容性等优点使得其在储能材料的制备及其性能提高方面具有巨大的应用潜力和发展前景。本文针对纳米纤维素的分类、制备方法、改性及纳米纤维素基复合材料进行了总结,重点介绍了纳米纤维素与电活性物质混合及基于纳米纤维素制备的水凝胶、气凝胶、纸/膜复合材料和作为碳前驱体在电极材料的应用和研究进展.

The ongoing surge in demand for energy and the increasing environmental crisis makes the high-performance energy storage device become a research hotspot in recent years.Based on the power and energy density,energy storage devices can be divided into electrochemical capacitors,secondary batteries,and fuel cells,etc.Electrode materials play an important role in the preparation of energy storage with green environment protection and high performance.Nanocellulose has great application potential and development prospect in the preparation and performance improvement of energy storage materials due to their natural abundance,environmental sustainability,high specific surface area,excellent mechanical properties and biocompatibility.In this paper,the classification,preparation,modification of nanocellulose and nanocellulose composites were summarized,the application and research progress of the mixing of nanocellulose with electroactive substances and the preparation of hydrogel,aerogel,paper/film composites based on nanocellulose and as carbon precursors in electrode materials were mainly introduced.