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硼掺杂的中间相碳素微球 (MCMB)用作锂离子电池负极材料的性能及表征(英文) 被引量:7

Characterization and Electrochemical Investigation of Boron-Doped Mesocarbon Microbeads Anode Materials for Lithium-Ion Battery
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摘要 本文采用XPS ,SEM ,XRD和电化学充放电测试研究了硼掺杂的中间相碳素微球 (MCMB)的结构和性能 .结果表明掺杂硼提高了MCMB的石墨化程度和晶粒尺寸 ,极大地改变了MCMB的形貌 .电化学充放电实验说明硼掺杂的中间相碳素微球嵌锂过程处于较高的电位 。 The anodic performances of boron doped and undoped mesocarbon microbeads(MCMBs) were comparatively studied and the structures were characterized by XPS,SEM,XRD and electrochemical measurements. It was found that boron doping samples greatly increased the degree of graphitization and the crystallite size,leading to quite different morphology. Electrochemical discharge/charge cycle tests indicate that lithium intercalation occurred at a little higher potential for the boron doped MCMBs, being attended by greater irreversible capacity loss.
出处 《电化学》 CAS CSCD 2001年第3期263-269,共7页 Journal of Electrochemistry
基金 SupportedbyNaturalScienceFoundationofFujianProvince (E0 0 10 0 0 2 )
关键词 中国相碳素微球 硼掺杂 电化学性能 XPS SEM XRD 锂离子电池 负极材料 表征 MCMBs, Boron_doped MCMBs, Electrochemical property, XPS, SEM, XRD
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参考文献3

  • 1Kim C,J Electrochem Soc,2000年,147卷,4期,1257页
  • 2Chang Youngchul,Carbon,1999年,37卷,1285页
  • 3Henning G,J Chem Phys,1965年,42卷,1167页

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