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| 长寿命软包装钛酸锂/锰酸锂锂离子电池性能 | |
| 引用本文： | 吴宁宁,吴可,安富强,田文怀.长寿命软包装钛酸锂/锰酸锂锂离子电池性能[J].电源技术,2012,36(2):175-177. |
| 作者姓名： | 吴宁宁 吴可 安富强 田文怀 |
| 作者单位： | 1. 北京科技大学材料科学与工程学院,北京100083;中信国安盟固利动力科技有限公司,北京102200 2. 中信国安盟固利动力科技有限公司,北京,102200 3. 北京科技大学材料科学与工程学院,北京,100083 |
| 摘 要： | 以钛酸锂为负极、锰酸锂为正极制作了软包装锂离子电池,分析了钛酸锂/锰酸锂电池在充放电过程中产生的气体成分,研究了影响钛酸锂电池胀气的因素,如钛酸锂材料、电解质溶液酸度、电解质溶液添加剂等。进一步开发出性能优越的35 Ah软包装钛酸锂/锰酸锂电池,该电池常温1 C循环3 000次后容量保持87%,高温55℃、1 C、1 300次循环后仍能保持85%的初始容量,并具有良好的倍率性能和搁置性能。 |
| 关 键 词： | 锂离子电池 钛酸锂 锰酸锂 |
Investigations of long life laminated Li4Ti5O12/LiMn2O4 battery |
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| WU Ning-ning , WU Ke , AN Fu-qiang , TIAN Wen-huai.Investigations of long life laminated Li4Ti5O12/LiMn2O4 battery[J].Chinese Journal of Power Sources,2012,36(2):175-177. | |
| Authors: | WU Ning-ning WU Ke AN Fu-qiang TIAN Wen-huai |
| Affiliation: | 1(1.Materials Science and Engineering School,University of Science and Technology Beijing,Beijing 100083,China; 2.CITIC Guoan Mengguli Power Science and Technology Co.,Ltd.,Beijing 102200,China) |
| Abstract: | The laminated lithium-ion secondary battery with Li4Ti5O12/LiMn2O4 system was prepared,and the major factors affecting the swelling problem were analyzed,including different Li4Ti5O12 materials,electrolyte acidity and additives of electrolyte,and gas components was investigated as well.Then a 35 Ah laminated Li4Ti5O12/LiMn2O4 battery was developed,which presented excellent cycling,storage and high rate performance.The capacity retention is over 87% after 3 000 cycles at room temperature and over 85% after 1 300 cycles at 55 ℃. |
| Keywords: | lithium-ion battery Li4Ti5O12 LiMn2O4 |
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