储能科学与技术 ›› 2015, Vol. 4 ›› Issue (4): 412-416.doi: 10.3969/j.issn.2095-4239.2015.04.011

• 研究及进展 • 上一篇    下一篇

质量比能量型锂离子电池型号设计——电池质量公式

李国华1, 张宏生1, 李建军2, 王莉2, 何向明1, 3, 欧阳明高3   

  1. 1 江苏华东锂电技术研究院,江苏 苏州 215600;
    2 清华大学核能与新能源技术研究院,北京 100084;
    3 汽车安全与节能国家重点实验室,北京 100084
  • 收稿日期:2015-01-27 出版日期:2015-08-19 发布日期:2015-08-19
  • 通讯作者: 何向明,副教授,主要研究方向为锂离子电池及其材料,E-mail:hexm@batterytechnology.cn。
  • 作者简介:李国华(1985—),男,硕士,工程师,主要研究方向为锂离子电池,E-mail:ligh@batterytechnology.cn
  • 基金资助:
    江苏省科技支撑计划重大项目(No; BE2014006-2),科技部国家中小企业创新基金(No; 14C26213201106),清华大学苏州汽车研究院(吴江)基金(2012WJ-A-01)

Size design of lithium-ion battery with high mass specific energy ——Battery mass formula

LI Guohua1, ZHANG Hongsheng1, LI Jianjun2, WANG Li2, HE Xiangming1, 3, OUYANG Minggao3   

  1. 1 Jiangsu Huadong Institute of Li-Ion Battery, Suzhou 215600, Jiangsu, China;
    2 Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China;
    3 State Key Laboratory of Automotive Safety and Energy, Beijing100084, China
  • Received:2015-01-27 Online:2015-08-19 Published:2015-08-19

摘要: 提出了一种质量比能量型锂离子电池型号设计思路,推导出了以正极片数量和正极片长宽比为自变量的电池质量公式,并对公式的正确性和准确性进行了验证,通过实例阐述了电池质量公式的应用方法和实际意义。研究结果表明,电池质量公式在定义域内存在最小值点,可以通过求解电池质量公式的最小值为高质量比能量电池型号设计提供理论依据。

关键词: 质量比能量, 电池质量, 正极片数量, 正极片长宽比, 型号设计

Abstract: A size designing method of battery with high mass specific energy and a battery mass formula were provided. Correctness and accuracy, usage and significance of the battery mass formula were proved and expounded respectively by an example . It was shown that there is minimum for the battery mass formula in its domain, and that theoretical basis for size designing battery with high mass specific energy can be obtained by calculating minimum of the battery mass formula.

Key words: mass specific energy, battery mass, cathode amount, cathode aspect ratio, size design

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