| c-V2O5正极材料电化学性能的研究 |
| |
| 引用本文： | 张勇,张翠芬,胡信国.c-V2O5正极材料电化学性能的研究[J].电池工业,2005,10(2):70-73. |
| |
| 作者姓名： | 张勇 张翠芬 胡信国 |
| |
| 作者单位： | 哈尔滨工业大学应用化学系,黑龙江,哈尔滨,150001;江门三捷电池实业有限公司,广东,江门,529000;哈尔滨工业大学应用化学系,黑龙江,哈尔滨,150001 |
| |
| 摘 要： | 介绍了用商品c—V2O5作正极材料组装成扣式试验电池并对电池进行了性能测试：从理论上分析了c-V2O5电极的电化学阻抗谱(EIS)、循环伏安特性(CV)、首次恒流放电(CD)和循环性能特性线(DC)。CD和DC测试结果显示，以60mA／g的电流密度充放电，其首次放电比容量高达220mAh／g，充放电效率可达97％，循环35次后，容量保持率仍可达47％。
|
| 关 键 词： | 可充锂电池 晶态V2O5 电化学性能 比容量 |
| 文章编号： | 1008-7923(2005)02-0070-04 |
| 修稿时间： | 2004年2月1日 |
Study of electrochemical characteristics of c- V2O5 as cathode materials for lithium rechargeable batteries |
| |
| ZHANG Yong,ZHANG Cui- fen,HU Xin- guo.Study of electrochemical characteristics of c- V2O5 as cathode materials for lithium rechargeable batteries[J].Chinese Battery Industry,2005,10(2):70-73. |
| |
| Authors: | ZHANG Yong ZHANG Cui- fen HU Xin- guo |
| |
| Abstract: | Electrochemical characterization was carried out on commercial cryst al vanadium pentoxide (c-V2O5) to verify its application as cathode materials f or lithium rechargeable batteries by tests of EIS,CV,constant discharge (CD) a nd discharge/charge (DC). Analysis results of CD and DC indicated the sample ach ieved a high initial discharge specific capacity of approximate 220mAh/g and a c orresponding efficiency of 97%. Its preservation ratio of capacity still kept a s high as 47%even after 35 cycles at current density of 60mA/g. |
| |
| Keywords: | lithium rechargeable batteries crystal vanadium pentoxide electro chemical characterization specific capacity |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
