摘要铜氧化物负极材料具有较高的比容量、较高的放电电压、较长的循环寿命等优点，成为近年来研究较多的电池负极材料。本实验以氯化铜、氢氧化钠、石墨粉为材料，使用沉淀法成功合成了六种锂电池负极材料:纯氧化铜、氧化亚铜/酸处理C（石墨）、铜氧化物/未水洗氧化石墨、铜氧化物/水洗氧化石墨、氧化亚铜/C（葡萄糖）、三氧化四铜/石墨烯。电极材料中除纯铜氧化物外，其他样品中含碳量均为2%。使用XRD表征其中电化学性能较好的四种样品，显示样品1为纯氧化铜，样品2为氧化亚铜/酸处理C（石墨），样品5为氧化亚铜/C（葡萄糖），样品6为三氧化四铜/石墨烯。使用电池测试系统对电池进行充放电循环测试，测试结果表明纯氧化铜样品的最高比容量为423mAh•g-1;氧化亚铜/酸处理C（石墨）样品的最高比容量为222mAh•g-1；氧化亚铜/C（葡萄糖）样品的最高比容量为393mAh•g-1; 三氧化四铜/石墨烯样品的最高比容量为621mAh•g-1。其中三氧化四铜/石墨烯的放电比容量最高。58244
毕业论文关键词：铜氧化物；石墨烯； 负极材料； 锂离子电池；
Abstract
Copper oxide anode material with high specific capacity, high discharge voltage, long cycle life advantages,，it becomes more recent study of lithium-ion battery anode material,.In this experiment, copper chloride, sodium hydroxide, graphite powder materials were successfully synthesized using precipitation six lithium battery anode material: copper oxide, copper oxide / acid treatment C (graphite), copper oxide / unwashed graphite oxide, copper oxide / laundry graphite oxide, copper oxide / C (glucose), copper oxide / grapheme. The electrode material, in addition to copper oxide, the carbon content of the other samples was 2%. XRD characterization using the electrochemical properties of which the preferred four samples，Sample 1 is shown as a pure copper oxide, cuprous oxide sample 2 / acid treatment C (graphite), Sample 5 of cuprous oxide / glucose sample 6 as four copper oxide / graphene。Battery test system battery charge and discharge cycle test, the test results show that the highest specific capacity of pure copper oxide sample was 423mAh • g-1；Cuprous oxide / acid treatment than the maximum capacity C (graphite) sample was 222mAh • g-1; the highest specific capacity cuprous oxide / glucose sample was 393mAh • g-1; the highest ratio of four copper oxide / C （graphene ）samples capacity of 621mAh • g-1. Three of four copper oxide / grapheme samples have highest discharge capacity。
Keyword: Copper oxide； Graphene； Anode materials； Lithium-ion battery
目 录
1引言 6
2石墨烯复合材料研究现状 6
2.1 石墨烯的制备 7
3氧化铜负极材料研究现状 7
3.1. 氧化铜负极材料的合成方法 7
3.1.1沉淀法 7
3.1.2固相反应法 7
3.1.2水热法 8
3.1.4其他方法 8
3.2 氧化铜石墨烯的应用 8
3.3氧化铜石墨烯的前景展望 8
4 铜氧化物石墨烯复合负极材料的合成及表征 9
4.1 仪器及设备 9
4.2 药品及试剂 9
4.3 石墨烯的制备 9
4.3.1 酸处理石墨的制备 氧化铜石墨烯复合负极材料的制备:http://www.youerw.com/huaxue/lunwen_50650.html