综述了锂离子电池电极中添加不同的导电剂对电池性能的影响.用碳黑作为导电剂能明显改善电池的性能;采用具有特殊形状的碳丝则有更好的效果;采用电导率高的金属作为导电剂,可以使电池在大电流充放电时保持高容量和高循环效率;导电剂的含量对电池的性能也有明显的影响,过多则活性剂成分少,容量低;太少则导电性差,电池容易产生极化;导电剂的粒度和分散程度对电池的性能也有重要影响.此外,混料前对导电剂进行一些表面处理也能明显改善电池的循环性能.
参考文献
| [1] | 张苏娅 .轻型电动车--越做越大的新兴产业[N].经济日报,2006-5-30. |
| [2] | 郭炳昆;徐徽;王先友.锂离子电池[M].长沙:中南工业大学出版社,2002:54. |
| [3] | 周振涛;潘慧铭 .含氟聚合物胶粘剂及其电化学特性的研究[J].电源技术,1998,22(02):47. |
| [4] | 胡广侠 .锂离子电池充放电过程的研究[D].中国科学院上海微系统与信息技术研究所,2002. |
| [5] | 姚耀春,戴永年,任海伦,李伟宏,崔萌佳.锂离子电池中正极添加剂配比的优化研究[J].材料导报,2004(02):89-91. |
| [6] | Christine A Frysz;Shui Xiaoping;Chung D D L.Carbon filaments and carbon black as a conductive additive to the manganese dioxide cathode of a lithium electrolytic cell[J].J Power Sourc,1996(58):41. |
| [7] | Li Xinlu;Kang Feiyu;Shen Wanci.Multiwalled carbon nanotubes as a conducting additive in a LiNi0.7Co0.3O2 cathode for rechargeable lithium batteries[J].Carbon,2006(44):1298. |
| [8] | Huang Shahua;Wen Zhaoyin;Yang Xuelin.Improvement of the high-rate discharge properties of LiCoO2 with the Ag additives[J].J Power Sourc,2005(148):72. |
| [9] | Ahn Soonho;Kim Youngduk;Kim Kyung Joon.Development of high capacity,high rate lithium ion batteries utilizing metal fiber conductive additives[J].J Power Sourc,1999(81-82):896. |
| [10] | Cheon S E;Kwon C W;Kim D B.Effect of binary conductive agents in LiCoO2 cathode on performances of lithium ion polymer battery[J].Electrochimica Acta,2000(46):599. |
| [11] | 金明钢.阴极导电剂含量对锂离子蓄电池性能的影响[J].电源技术,2005(02):78-79,91. |
| [12] | Liu Zhaolin;Lee Jim Y;Lindner H J.Effect of conducting carbon on the electrochemical performance of LiCoO2 and LiMn2O4 cathodes[J].J Power Sourc,2001(97-98):361. |
| [13] | Hong Jin K;Lee Jong H;Oh Seung M.Effect of carbon additive on electrochemical performance of LiCoO2 composite cathodes[J].J Power Sourc,2002(111):90. |
| [14] | XIAOPING SNUI;C. A. FRYSZ;D. D. L. CHUNG .SOLVENT CLEANSING OF THE SURFACE OF CARBON FILAMENTS AND ITS BENEFIT TO THE ELECTROCHEMICAL BEHAVIOR[J].Carbon: An International Journal Sponsored by the American Carbon Society,1995(12):1681-1698. |
| [15] | Frysz CA.;Chung DDL. .IMPROVING THE ELECTROCHEMICAL BEHAVIOR OF CARBON BLACK AND CARBON FILAMENTS BY OXIDATION[J].Carbon: An International Journal Sponsored by the American Carbon Society,1997(8):1111-1127. |
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