| FePO_4包覆尖晶石Li_(1.1)Mn_(1.9)O_4的高温循环性能 |
| |
| 引用本文： | 程海山,曾照强. FePO_4包覆尖晶石Li_(1.1)Mn_(1.9)O_4的高温循环性能[J]. 电池, 2010, 40(5) |
| |
| 作者姓名： | 程海山 曾照强 |
| |
| 作者单位： | 清华大学材料科学与工程系,新型陶瓷与精细工艺国家重点实验室,北京,100084 |
| |
| 摘 要： | 用化学沉积法,在尖晶石Li1.1Mn1.9O4表面包覆FePO4。用XRD、SEM和充放电测试,分析了包覆前后的材料。Fe-PO4包覆量为5%的Li1.1Mn1.9O4在高温(55℃)下以1 mA在3.0~4.3 V循环30次,容量损失率为6.75%,低于包覆前的26.52%,原因是FePO4薄膜隔离了电解液和正极材料。FePO4均匀包覆在表面,没有改变Li1.1Mn1.9O4的结构。
|
| 关 键 词： | 正极材料 高温 循环性能 包覆 磷酸铁(FePO4) |
High temperature cycle performance of spinel Li_(1.1)Mn_(1.9)O_4 coated with FePO4 |
| |
| CHENG Hai-shan,ZENG Zhao-qiang. High temperature cycle performance of spinel Li_(1.1)Mn_(1.9)O_4 coated with FePO4[J]. Battery Bimonthly, 2010, 40(5) |
| |
| Authors: | CHENG Hai-shan ZENG Zhao-qiang |
| |
| Affiliation: | CHENG Hai-shan,ZENG Zhao-qiang(State Key Laboratory of New Ceramics , Fine Processing,Department ofMaterials Science , Engineering,Tsinghua University,Beijing 100084,China) |
| |
| Abstract: | |
| |
| Keywords: | cathode material high temperature cycle performance coating iron phosphate(FePO4) |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
