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TEMPO‐Contained Polymer Grafted onto Graphene Oxide via Click Chemistry as Cathode Materials for Organic Battery
Macromolecular Chemistry and Physics ( IF 2.5 ) Pub Date : 2020-08-07 , DOI: 10.1002/macp.202000160 Junfeng Zhu 1 , Ting Zhu 1 , Huan Tuo 1 , Mengmeng Yan 1 , Wanbin Zhang 2 , Guanghua Zhang 1 , Xiaowu Yang 1
Macromolecular Chemistry and Physics ( IF 2.5 ) Pub Date : 2020-08-07 , DOI: 10.1002/macp.202000160 Junfeng Zhu 1 , Ting Zhu 1 , Huan Tuo 1 , Mengmeng Yan 1 , Wanbin Zhang 2 , Guanghua Zhang 1 , Xiaowu Yang 1
Affiliation
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Poly(2,2,6,6‐tetramethylpiperidin‐1‐oxyl‐4‐yl methacrylate) (PTMA) is a typical organic battery material containing nitrogen and oxygen radicals. The grafting of PTMA onto graphene oxide to obtain composite cathode material poly(2,2,6,6‐tetramethylpiperidin‐1‐oxyl‐4‐yl methacrylate)‐Graphene Oxide (PTMA‐GO) via click chemistry is reported. The method of preparing PTMA‐GO is completed at room temperature, which can retain the oxygen‐containing functional groups on the surface of graphene oxide, and the process is simple and easy to conduct. The composite materials are characterized by infrared, X‐ray diffraction, thermogravimetry, and electron paramagnetic resonance. The cathode material is assembled in a button battery to measure its cyclic voltammogram, electrochemical impedance spectroscopy, and charge and discharge capacity cycles. It is found that the PTMA‐GO electrode is twice as conductive as the PTMA electrode alone. The specific capacity of the PTMA‐GO electrode is nearly 2.3 times higher than that of the PTMA electrode after 300 charge–discharge cycles. This represents an important reference value for the development of organic batteries, especially for the research of nitroxide radical polymer electrode materials.
中文翻译：
通过Click Chemistry将TEMPO包含的聚合物接枝到氧化石墨烯上作为有机电池的阴极材料
聚（2,2,6,6-四甲基哌啶-1-氧基-4-甲基丙烯酸甲酯）（PTMA）是一种典型的含有氮和氧自由基的有机电池材料。报道了通过点击化学将PTMA接枝到氧化石墨烯上以获得复合阴极材料聚（2,2,6,6-四甲基哌啶-1-氧-4-甲基丙烯酸4-基酯）-氧化石墨烯（PTMA-GO）。PTMA-GO的制备方法是在室温下完成的，它可以在氧化石墨烯的表面上保留含氧官能团，该过程简单易行。复合材料的特征在于红外，X射线衍射，热重分析和电子顺磁共振。阴极材料组装在纽扣电池中，以测量其循环伏安图，电化学阻抗谱以及充电和放电容量循环。发现PTMA-GO电极的导电性是仅PTMA电极的两倍。经过300次充放电循环，PTMA-GO电极的比容量几乎是PTMA电极的2.3倍。这对于有机电池的开发，特别是对氮氧化物自由基聚合物电极材料的研究，具有重要的参考价值。
更新日期：2020-09-08
中文翻译：
通过Click Chemistry将TEMPO包含的聚合物接枝到氧化石墨烯上作为有机电池的阴极材料
聚（2,2,6,6-四甲基哌啶-1-氧基-4-甲基丙烯酸甲酯）（PTMA）是一种典型的含有氮和氧自由基的有机电池材料。报道了通过点击化学将PTMA接枝到氧化石墨烯上以获得复合阴极材料聚（2,2,6,6-四甲基哌啶-1-氧-4-甲基丙烯酸4-基酯）-氧化石墨烯（PTMA-GO）。PTMA-GO的制备方法是在室温下完成的，它可以在氧化石墨烯的表面上保留含氧官能团，该过程简单易行。复合材料的特征在于红外，X射线衍射，热重分析和电子顺磁共振。阴极材料组装在纽扣电池中，以测量其循环伏安图，电化学阻抗谱以及充电和放电容量循环。发现PTMA-GO电极的导电性是仅PTMA电极的两倍。经过300次充放电循环，PTMA-GO电极的比容量几乎是PTMA电极的2.3倍。这对于有机电池的开发，特别是对氮氧化物自由基聚合物电极材料的研究，具有重要的参考价值。
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