Investigation on porous MnO microsphere anode for lithium ion batteries
文献类型：期刊论文
| 作者 | Zhong, KF ; Zhang, B ; Luo, SH ; Wen, W ; Li, H ; Huang, XJ ; Chen, LQ |
| 刊名 | JOURNAL OF POWER SOURCES
 |
| 出版日期 | 2011 |
| 卷号 | 196期号:16页码:6802 |
| 关键词 | X-RAY-ABSORPTION REACTIVITY MECHANISM ELECTRODE MATERIALS METAL FLUORIDES HIGH-CAPACITY LI-STORAGE SPECTROSCOPY OXIDES ELECTROCHEMISTRY NANOCOMPOSITES |
| ISSN号 | 0378-7753 |
| 通讯作者 | Li, H: Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | MnO microspheres with and without carbon coating are prepared as anode materials for lithium ion batteries. The MnO microsphere material shows a reversible capacity of 800 mAh g(-1) and an initial efficiency of 71%. It can deliver 600 mAh g(-1) at a rate of 400 mA g(-1). Results of Mn K-edge X-ray absorption near-edge structure (XANES) spectra and extended X-ray absorption fine structure (EXAFS) confirm further the conversion reaction mechanism, indicate that pristine MnO is reduced to Mn after discharging to 0 V and part of reduced Mn(0) is not oxidized to Mn(2+) after charging to 3 V. This explains the origin of the initial irreversible capacity loss partially. The quasi open circuit voltage and the relationship between the current density and the overpotential are investigated. Both indicate that there is a significant voltage difference between the charging and discharging profiles even when the current density decreases to zero. (C) 2010 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 资助信息 | NSFC [50730005]; CAS [KJCX2-YW-W26]; "863" project [2009AA033101]; "973" project [2007CB936501]; Shanghai Institute of Applied Physics, CAS [O95501E061] |
| 语种 | 英语 |
| 公开日期 | 2013-09-18 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/40337]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Zhong, KF,Zhang, B,Luo, SH,et al. Investigation on porous MnO microsphere anode for lithium ion batteries[J]. JOURNAL OF POWER SOURCES,2011,196(16):6802. |
| APA | Zhong, KF.,Zhang, B.,Luo, SH.,Wen, W.,Li, H.,...&Chen, LQ.(2011).Investigation on porous MnO microsphere anode for lithium ion batteries.JOURNAL OF POWER SOURCES,196(16),6802. |
| MLA | Zhong, KF,et al."Investigation on porous MnO microsphere anode for lithium ion batteries".JOURNAL OF POWER SOURCES 196.16(2011):6802. |
入库方式： OAI收割
来源：物理研究所
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