| 电动汽车用锰酸锂与磷酸铁锂动力电池性能比较分析 |
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| 引用本文： | 刘鹏,王震坡,马军,王丽芳. 电动汽车用锰酸锂与磷酸铁锂动力电池性能比较分析[J]. 北京理工大学学报, 2015, 35(S1): 160-164 |
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| 作者姓名： | 刘鹏 王震坡 马军 王丽芳 |
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| 作者单位： | 中国科学院电工研究所 电力电子与电力传动重点实验室, 北京 100190;北京理工大学 电动车辆国家工程实验室, 北京 100081;北京电动车辆协同创新中心, 北京 100081,北京理工大学 电动车辆国家工程实验室, 北京 100081;北京电动车辆协同创新中心, 北京 100081,北京理工大学 电动车辆国家工程实验室, 北京 100081;北京电动车辆协同创新中心, 北京 100081,中国科学院电工研究所 电力电子与电力传动重点实验室, 北京 100190;北京电动车辆协同创新中心, 北京 100081 |
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| 基金项目： | 北京市科技计划项目(Z141100005714021) |
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| 摘 要： | 尖晶石锰酸锂和橄榄石磷酸铁锂离子电池是当前电动汽车用动力电池的主体,采用实验比较研究的方法,对比了两种动力电池正极材料电化学特性,研究了两种材料制备成动力电池的能量密度、功率密度、温度特性、循环寿命以及应用特性.结果表明:除低温性能和功率密度外,磷酸铁锂动力电池在其他方面的性能均优于锰酸锂动力电池.
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| 关 键 词： | 锰酸锂动力电池 磷酸铁锂动力电池 能量密度 使用寿命 |
| 收稿时间： | 2015-03-20 |
Performance Comparisons Between LiMn2O4 and LiFePO4 Batteries for Electric Vehicles |
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| LIU Peng,WANG Zhen-po,MA Jun and WANG Li-fang. Performance Comparisons Between LiMn2O4 and LiFePO4 Batteries for Electric Vehicles[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2015, 35(S1): 160-164 |
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| Authors: | LIU Peng WANG Zhen-po MA Jun WANG Li-fang |
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| Affiliation: | Key Laboratory of Power Electronics and Electric Drive, Institute of Electrical Engineering, Beijing 100190, China;National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China;Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China,National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China;Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China,National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China;Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China and Key Laboratory of Power Electronics and Electric Drive, Institute of Electrical Engineering, Beijing 100190, China;Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China |
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| Abstract: | Spinel-type lithium manganese oxide (LiMn2O4) and olivine-type lithium iron phosphate (LiFePO4) Li-ion batteries are in the majority of power batteries for electric vehicles at present. Li-ion batteries prepared with two kinds of cathode materials were manufactured, and the performance comparisons were made to provide references for selecting power batteries in electric vehicles. The research on specific energy, specific power, temperature characteristic, service lifecycle, and impedance characteristics was conducted. The results show that, LiFePO4 batteries are superior to LiMn2O4 batteries, except low temperature performance and power density. |
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| Keywords: | LiMn2O4 LiFePO4 specific energy temperature characteristic lifecycle |
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