Recent Progress in Advanced Organic Electrode Materials for Sodium‐Ion Batteries: Synthesis, Mechanisms, Challenges and Perspectives,Advanced Functional Materials

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Recent Progress in Advanced Organic Electrode Materials for Sodium‐Ion Batteries: Synthesis, Mechanisms, Challenges and Perspectives
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2020-01-21 , DOI: 10.1002/adfm.201908445
Xiuping Yin ₁ , Samrat Sarkar ₁ , Shanshan Shi ₁ , Qiu‐An Huang ₁ , Hongbin Zhao ₁ , Liuming Yan ₁ , Yufeng Zhao ₁ , Jiujun Zhang ₁

Affiliation

Rechargeable sodium‐ion batteries (SIBs) are considered attractive alternatives to lithium‐ion batteries for next‐generation sustainable and large‐scale electrochemical energy storage. Organic sodium‐ion batteries (OSIBs) using environmentally benign organic materials as electrodes, which demonstrate high energy/power density and good structural designability, have recently attracted great attention. Nevertheless, the practical applications and popularization of OSIBs are generally restricted by the intrinsic disadvantages related to organic electrodes, such as their low conductivity, poor stability, and high solubility in electrolytes. Here, the latest research progress with regard to electrode materials of OSIBs, ranging from small molecules to organic polymers, is systematically reviewed, with the main focus on the molecular structure design/modification, the electrochemical behavior, and the corresponding charge‐storage mechanism. Particularly, the challenges faced by OSIBs and the effective design strategies are comprehensively summarized from three aspects: function‐oriented molecular design, micromorphology regulation, and construction of organic–inorganic composites. Finally, the perspectives and opportunities in the research of organic electrode materials are discussed.

中文翻译：

用于钠离子电池的先进有机电极材料的最新进展：合成，机理，挑战和前景

可充电钠离子电池（SIB）被认为是锂离子电池的有吸引力的替代品，可用于下一代可持续和大规模的电化学储能。使用对环境无害的有机材料作为电极的有机钠离子电池（OSIB），具有高能量/功率密度和良好的结构设计性，最近引起了广泛的关注。然而，OSIB的实际应用和普及通常受到与有机电极有关的固有缺点的限制，例如它们的低电导率，差的稳定性和在电解质中的高溶解度。在此，系统地回顾了OSIBs电极材料（从小分子到有机聚合物）的最新研究进展，主要研究分子结构的设计/修饰，电化学行为以及相应的电荷存储机理。特别是，从三个方面全面总结了OSIB面临的挑战和有效的设计策略：功能导向的分子设计，微观形态调控以及有机-无机复合材料的构建。最后，讨论了有机电极材料研究的前景和机遇。

更新日期：2020-03-10

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