Journal
CARBOHYDRATE POLYMERS
Volume 325, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2023.121570
Keywords
Cellulose; Functional groups; Lithium-ion battery; Separator
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This review thoroughly examines the current research status of cellulose-based materials for lithium-ion batteries (LIBs) components, with a specific focus on the impact of functional groups in cellulose-based separators. The study reveals that certain functional groups play a crucial role in improving the mechanical, thermal, and electrical properties of the separators. It highlights the importance of understanding the influence of functional groups in cellulose-based materials on LIBs performance.
Cellulose, an abundant and eco-friendly polymer, is a promising raw material to be used for preparing energy storage devices such as lithium-ion batteries (LIBs). Despite the significance of cellulose functional groups in LIBs components, their structure-properties-application relationship remains largely unexplored. This article thor-oughly reviews the current research status on cellulose-based materials for LIBs components, with a specific focus on the impact of functional groups in cellulose-based separators. The emphasis is on how these functional groups can enhance the mechanical, thermal, and electrical properties of the separators, potentially replacing con-ventional non-renewal material-derived components. Through a meticulous investigation, the present review reveals that certain functional groups, such as hydroxyl groups (-OH), carboxyl groups (-COOH), carbonyl groups (-CHO), ester functions (R-COO-R '), play a crucial role in improving the mechanical strength and wetting ability of cellulose-based separators. Additionally, the inclusion of phosphoric group (-PO3H2), sulfonic group (-SO3H) in separators can contribute to the enhanced thermal stability. The significance of comprehending the influence of functional groups in cellulose-based materials on LIBs performance is highlighted by these findings. Ulti-mately, this review explores the challenges and perspectives of cellulose-based LIBs, offering specific recom-mendations and prospects for future research in this area.
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