人工晶体学报, 2017, 46(1): 50-54.
CoO/NiO/CoNi复合材料的制备及其储锂性能的研究
刘焕
1,
,
王昕璐
2,
,
王进贤
3,
,
于文生
4,
,
杨颖
5,
,
张洪波
6,
,
董相廷
7,
1.长春理工大学化学与环境工程学院,应用化学与纳米技术吉林省高校重点实验室,长春130022;
2.长春理工大学化学与环境工程学院,应用化学与纳米技术吉林省高校重点实验室,长春130022;
3.长春理工大学化学与环境工程学院,应用化学与纳米技术吉林省高校重点实验室,长春130022;
4.长春理工大学化学与环境工程学院,应用化学与纳米技术吉林省高校重点实验室,长春130022;
5.长春理工大学化学与环境工程学院,应用化学与纳米技术吉林省高校重点实验室,长春130022;
6.长春理工大学化学与环境工程学院,应用化学与纳米技术吉林省高校重点实验室,长春130022;
7.长春理工大学化学与环境工程学院,应用化学与纳米技术吉林省高校重点实验室,长春130022
将Al72 Ni13.4 Co14.6十次准晶作为前驱体合金,通过去合金化法制备了CoO/NiO/CoNi微纳复合材料作为锂离子电池负极材料。采用X射线衍射( XRD)、扫描电镜( SEM)等材料结构分析方法对产物进行表征。通过恒电流充放电技术研究该电极材料的电化学性能,结果表明,在200 mA·g-1电流密度下,首次充放电容量为417 mAh·g-1和617 mAh·g-1,库伦效率为67.6%,经过500圈循环后放电容量仍保持为585 mAh·g-1,表现出良好的循环性能。
引用:
刘焕,
王昕璐,
王进贤,
于文生,
杨颖,
张洪波,
董相廷
CoO/NiO/CoNi复合材料的制备及其储锂性能的研究.
人工晶体学报,
2017, 46(1): 50-54.
doi:
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