Development of efficient carbon anode material for a high-power and long-life lithium ion battery

被引：49

作者：

Fujimoto, Hiroyuki ^{[1
]}

机构：

[1] Osaka Gas Co Ltd, Energy Technol Lab, Konohana Ku, Osaka 5540051, Japan

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 15期

关键词：

Carbon anode; Cyclic voltammogram; X-ray diffraction; Turbostratic structure; TURBOSTRATIC DISORDER; PHASE-DIAGRAM;

D O I：

10.1016/j.jpowsour.2010.02.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The Li ion battery with high power and long life is required for the hybrid electronic vehicle. A new carbon anode material called "ICOKE" has been prepared by the graphitization of coke at ca. 2000 degrees C and is shown to have excellent pulse charge/discharge characteristics and long cycle performance. The charge/discharge reaction mechanism of ICOKE was investigated in detail based on the result of cyclic voltammetry and X-ray diffraction profile change of ICOKE before and after charging. As a result, it was found that Li-intercalation reaction to ICOKE proceeds without forming higher stage compounds and the 1st and the 2nd stage compounds are directly formed. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：5019 / 5024

页数：6

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