Cabon Coated Natural Graphite as Anode Materials for Lithium-ion Batteries

被引：0

作者：

Yang, Kun ^{[1
]}

Zhang, Huan ^{[1
]}

Zhang, Ding ^{[1
]}

Yan, Hui ^{[1
]}

Zhu, Zhi ^{[1
]}

Qi, Lu ^{[1
]}

机构：

[1] Peking Univ, Coll Chem & Mol Engn, Inst Appl Chem, Beijing Natl Lab Mol Sci,New Energy Mat & Technol, Beijing 100871, Peoples R China

来源：

25TH WORLD BATTERY, HYBRID AND FUEL CELL ELECTRIC VEHICLE SYMPOSIUM AND EXHIBITION PROCEEDINGS, VOLS 1 & 2 | 2010年

关键词：

modification; graphite; Lithium-ion battery; solid coating; NEGATIVE ELECTRODE; INSERTION; CARBON;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Modification of spherical graphite as anode materials for Lithium-ion batteries was conducted by a simple method using polyvinyl alcohol (PVA) and solid coating. Characterization of the spherical graphite sample was conducted by constant-current charge/discharge cycle tests, X-ray diffraction (XRD), scanning electron microscopy (SEM). The best results can be obtained by heating the sample in nitrogen at 900 degrees C for 2h. It is demonstrated that the modified graphite have excellent optimum reversible capacity owing to the modifcation, which showed 320mAh/g after 20th cycle. Copyright Form of EVS25.

引用

页码：796 / 799

页数：4

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