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首页> 外文期刊>Bulletin of the Chemical Society of Japan >A Novel Strategy to Functionalize Covalent Organic Frameworks for High-Energy Rechargeable Lithium Organic Batteries via Graft Polymerization in Nano-Channels
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A Novel Strategy to Functionalize Covalent Organic Frameworks for High-Energy Rechargeable Lithium Organic Batteries via Graft Polymerization in Nano-Channels

机译:通过纳米通道接枝聚合对高能可再充电锂有机电池的共价有机骨架官能化的新策略

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摘要

By introducing catalyst- and solvent-free graft polymerization of low cost and environmentally benign sulfur to the nano-channels of an imine-linked covalent organic framework (COF), we demonstrated our strategy for functionalization of a conventional COF to yield a redox-active covalent organic framework-graft-polysulfide (COF-graft-PS), which can be utilized as a cathode active material in rechargeable lithium organic batteries. The COF-graft-PS-based batteries showed high capacity (425 mA h g(-1) at a rate of 250 mA g(-1)), excellent rate capability, and good cycling performance over 500 cycles. The design characteristics and synthetic strategy open new possibilities for the preparation of alternative, sustainable, high-performance rechargeable lithium batteries by using abundant and cost-effective materials.
机译:通过将低成本和无溶剂的移植物聚合引入亚胺连接的共价有机骨架(COF)的纳米通道,我们证明了我们对常规COF的官能化的策略,得到氧化还原活性的 共价有机骨架 - 移植物 - 多硫化物(COF-移植物PS),其可用于可充电锂有机电池中的阴极活性材料。 基于COF-移植物-PS的电池显示出高容量(425 mA H(-1),速率为250 mA g(-1)),优异的速率能力和500多个循环的良好循环性能。 通过使用丰富和经济高效的材料,设计特点和合成策略开辟了制备替代,可持续的高性能可充电锂电池的新可能性。

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    Nagoya Univ Dept Chem Chikusa Ku Furo Cho Nagoya Aichi 4648602 Japan;

    Nagoya Univ Dept Chem Chikusa Ku Furo Cho Nagoya Aichi 4648602 Japan;

    Meijo Univ Dept Appl Chem Tenpaku Ku Nagoya Aichi 4688502 Japan;

    Nagoya Univ Dept Chem Chikusa Ku Furo Cho Nagoya Aichi 4648602 Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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