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| 大容量磷酸铁锂体系高功率电池的设计研究 | |
| 引用本文： | 蒋宁懿,李成章,宋承鹏. 大容量磷酸铁锂体系高功率电池的设计研究[J]. 电源技术, 2017, 41(5). DOI: 10.3969/j.issn.1002-087X.2017.05.002 |
| 作者姓名： | 蒋宁懿 李成章 宋承鹏 |
| 作者单位： | 中国电子科技集团公司第十八研究所,天津,300384 |
| 摘 要： | 具有橄榄石结构的磷酸铁锂正极材料以其高安全性、低成本、长循环寿命等特点广泛应用于混合动力(HEVs)汽车及插电式混合动力(PHEVs)汽车等动力电池领域。选用了磷酸铁锂(LiFePO_4)/中间相碳微球作为动力电池的正负极材料体系,探讨了电极配方、制备工艺(碳基涂层铝箔)、电解液体系及集流结构设计对电池倍率及循环性能的影响。制备50 Ah磷酸铁锂功率型动力电池,进行了电化学及安全性能测试。 |
| 关 键 词： | 磷酸铁锂 高功率 电池 |
Design and investigations of high power battery with high capacity lithium iron phosphate |
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| JIANG Ning-yi,LI Cheng-zhang,SONG Cheng-peng. Design and investigations of high power battery with high capacity lithium iron phosphate[J]. Chinese Journal of Power Sources, 2017, 41(5). DOI: 10.3969/j.issn.1002-087X.2017.05.002 | |
| Authors: | JIANG Ning-yi LI Cheng-zhang SONG Cheng-peng |
| Abstract: | LiFePO4 (LFP) with olivine-type structure has high safety,low cost and long cycle life.LFP materials have attracted the attention of the automotive industry for applications in hybrid electric vehicles (HEV) and plug-in hybrid electric vehicles (PHEVs).50 Ah prismatic high power lithium ion cells with LiFePO4 (LFP) cathode/carbon anode chemical system were prepared to conduct electrochemical and safety tests.The influence of electrode formula design,electrolyte system,electrode processing and structural design on the rate and cycle performance was investigated. |
| Keywords: | LiFePO4 high power battery |
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