Electrochemical investigation of Li-excess layered oxide cathode materials/mesocarbon microbead in 18650 batteries
文献类型：期刊论文
| 作者 | Qiu, Bao ; Zhang, Qian ; Hu, Huasheng ; Wang, Jun ; Liu, Juanjuan ; Xia, Yonggao ; Zeng, Yongfeng ; Wang, Xiaolan ; Liu, Zhaoping |
| 刊名 | ELECTROCHIMICA ACTA
 |
| 出版日期 | 2014 |
| 卷号 | 123页码:317 |
| 中文摘要 | The electrochemical performance of the 18650 lithium-ion batteries for layered Li-excess oxide Li1.144Ni0.136CO0.136Mn0.544O2 (LNCMO) cathode material and mesocarbon microbead (MCMB) anode material is investigated. The battery shows an excellent rate capability with the capacity of 227 mAh g(-1) at 8 C-rate (the cut-off voltage is 4.5 V). Furthermore, it exhibits excellent cycle performance that the capacity retention over 300 cycles in the voltage ranges of 2.5-4.5 V (vs. MCMB) and at 0.2 C-rate is about 85%. Although the medium voltage of the battery greatly reduces during the first 30 cycles, it keeps stable in the following cycles. The mechanisms of the capacity fade and voltage decay are also studied based on energy dispersive spectrometry, X-ray photoelectron spectroscopy, charge-discharge curves, and dQ/dV plots. (C) 2014 Elsevier Ltd. All rights reserved. |
| 公开日期 | 2015-09-20 |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/11901]  |
| 专题 | 宁波材料技术与工程研究所_2014专题 |
| 推荐引用方式 GB/T 7714 | Qiu, Bao,Zhang, Qian,Hu, Huasheng,et al. Electrochemical investigation of Li-excess layered oxide cathode materials/mesocarbon microbead in 18650 batteries[J]. ELECTROCHIMICA ACTA,2014,123:317. |
| APA | Qiu, Bao.,Zhang, Qian.,Hu, Huasheng.,Wang, Jun.,Liu, Juanjuan.,...&Liu, Zhaoping.(2014).Electrochemical investigation of Li-excess layered oxide cathode materials/mesocarbon microbead in 18650 batteries.ELECTROCHIMICA ACTA,123,317. |
| MLA | Qiu, Bao,et al."Electrochemical investigation of Li-excess layered oxide cathode materials/mesocarbon microbead in 18650 batteries".ELECTROCHIMICA ACTA 123(2014):317. |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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