Investigation of Al-Plastic Film Lithium-Ion Secondary Battery for E-Bike

Acta Scientiarum Naturalium Universitatis Pekinensis

Investigation of Al-Plastic Film Lithium-Ion Secondary Battery for E-Bike

Received:2006-09-18 Online:2006-12-30 Published:2006-12-30

电动自行车用铝塑膜锂离子二次电池的研究

郝德利¹⁾, 其鲁^{2, 3)}, 王印萍¹⁾, 安平¹⁾
(¹⁾中信国安盟固利新能源科技有限公司, 北京, 102200; ²⁾北京大学化学与分子工程学院应用化学系新能源材料与技术实验室, 北京, 100871; ³⁾通讯作者, E-mail: qilu@pku.edu.cn)

Abstract

Abstract: 5.5Ah cylindrical Al-plastic film LiMn₂O₄-based lithium ion battery for E-bike was developed. These batteries exhibit good performance in rate discharge, cycle life and at high and low temperatures. The cells pass the safety test of GB/T 18287-2000 without any fire or explosion. The cells were stored for 3 months after discharging to 3.0V, and bulge appeared on the cell surface. With several cycles, the bulge disappeared without significant performance decay. The 10.8V/5Ah battery pack (3 cells in series) retain 82% of the initial capacity after 500 cycles at 1C, 100% DOD.

Key words: lithium ion battery, Al-plastic film, E-bike

摘要： 研制成功了电动自行车用5.5Ah圆柱型铝塑膜锰酸锂电池，它具有良好的倍率、循环、高低温特性。单体电池通过了GB/T 18287—2000的安全试验，所有试验中电池不起火、不爆炸。将单体电池放电到3.0V，然后搁置3个月，电池出现“气胀”，经过循环，“气胀”消失，电池性能没有发生明显的变化。10.8V/5Ah电池组1C，100％DOD循环500次，容量保持在82％。

关键词: 锂离子二次电池, 铝塑膜, 电动自行车

CLC Number:

TM91

HAO Deli¹⁾,Qilu^{2, 3)},WANG Yinping¹⁾,AN Ping¹⁾
(¹⁾CITIC Guoan Mengguli New Energy Technology Co., Ltd., Beijing,102200; ²⁾New Energy Materials and Technology Laboratory, Department of A. Investigation of Al-Plastic Film Lithium-Ion Secondary Battery for E-Bike[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

郝德利¹⁾, 其鲁^{2, 3)}, 王印萍¹⁾, 安平¹⁾
(¹⁾中信国安盟固利新能源科技有限公司, 北京, 102200; ²⁾北京大学化学与分子工程学院应用化学系新能源材料与技术实验室, 北京, 100871; ³⁾通讯作者, E-mail: qilu@pku.edu.cn). 电动自行车用铝塑膜锂离子二次电池的研究[J]. 北京大学学报（自然科学版）.

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