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Nitrogen-doped graphene nanosheets with excellent lithium storage properties
Wang, Haibo1; Zhang, Chuanjian1; Liu, Zhihong1; Wang, Li1,2; Han, Pengxian1; Xu, Hongxia1; Zhang, Kejun1; Dong, Shanmu1; Yao, Jianhua1; Cui, Guanglei1
2011
发表期刊JOURNAL OF MATERIALS CHEMISTRY
卷号21期号:14页码:5430-5434
摘要In this work, nitrogen-doped graphene nanosheets serving as lithium storage materials are presented. The nitrogen-doped graphene nanosheets were prepared by heat treatment of graphite oxide under an ammonia atmosphere at 800 degrees C for 2 h. Scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, and X-ray photoelectron spectroscopy were employed to characterize the prepared product as nitrogen-doped graphene nanosheets with a doping level of ca. 2% nitrogen, where the N binding configuration of the graphene includes 57.4% pyridinic, 35.0% pyrrolic and 7.6% graphitic N atoms. Galvanostatic charge/discharge experiments revealed that these nitrogen-doped graphene nanosheets exhibited a high reversible capacity (900 mA h g(-1) at 42 mA g(-1) (1/20 C)), excellent rate performance (250 mA h g(-1) at a current density of 2.1 A g(-1) (2.5 C)), and significantly enhanced cycling stability, which demonstrated nitrogen-doped graphene nanosheets to be a promising candidate for anode materials in high rate lithium-ion batteries.
文章类型Article
学科领域仿生能源系统
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1039/c1jm00049g
关键词[WOS]CHEMICAL-VAPOR-DEPOSITION ; CARBON NANOTUBES ; ELECTROCHEMICAL IMPEDANCE ; ION BATTERIES ; OXIDE ; GRAPHITE ; SHEETS ; GROWTH ; SPECTROSCOPY ; INSERTION
收录类别SCI
语种英语
WOS研究方向Chemistry ; Materials Science
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary
WOS记录号WOS:000288659500034
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/584
专题仿生能源与储能系统团队
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
2.Ocean Univ China, Qingdao 266003, Peoples R China
推荐引用方式
GB/T 7714
Wang, Haibo,Zhang, Chuanjian,Liu, Zhihong,et al. Nitrogen-doped graphene nanosheets with excellent lithium storage properties[J]. JOURNAL OF MATERIALS CHEMISTRY,2011,21(14):5430-5434.
APA Wang, Haibo.,Zhang, Chuanjian.,Liu, Zhihong.,Wang, Li.,Han, Pengxian.,...&Cui, Guanglei.(2011).Nitrogen-doped graphene nanosheets with excellent lithium storage properties.JOURNAL OF MATERIALS CHEMISTRY,21(14),5430-5434.
MLA Wang, Haibo,et al."Nitrogen-doped graphene nanosheets with excellent lithium storage properties".JOURNAL OF MATERIALS CHEMISTRY 21.14(2011):5430-5434.
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