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通过简单、环保的方法成功制备了多孔CuO/GO纳米片。在该合成体系中,首先由碱性溶液中GO和Cu2+的静电作用生成Cu(OH)2/GO复合沉淀,经脱水制得多孔CuO纳米片。利用XRD、SEM、TEM等技术对多孔CuO/GO纳米片的结构及电化学性能进行表征,该复合纳米片表现出高可逆容量,优良的倍率容量和循环稳定性。结果表明:引入氧化石墨烯和合成多孔纳米结构相结合的制备方法,能实现优良的电化学性能,对于下一代高性能锂离子电池具有很好的应用前景。
Porous CuO / GO nanoplates were successfully prepared by a simple and environmentally friendly method. In the synthesis system, firstly Cu (OH) 2 / GO composite precipitate was formed by the electrostatic interaction of GO and Cu2 + in alkaline solution and dehydrated to obtain porous CuO nanosheet. The structure and electrochemical properties of porous CuO / GO nanosheets were characterized by XRD, SEM and TEM. The nanosheets exhibited high reversible capacity, excellent capacity and cycling stability. The results show that the introduction of graphene oxide and synthetic porous nanostructures combined preparation method, can achieve good electrochemical performance, for the next generation of high-performance lithium-ion battery has good application prospects.