[1]郎春艳,罗卜尔思.某三元材料锂离子电池低温性能研究[J].机械与电子,2016,(05):7-12.
 LANG Chunyan,LUO Boersi.Research on Cryogenic Properties of NCM Batteries[J].Machinery & Electronics,2016,(05):7-12.
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某三元材料锂离子电池低温性能研究
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2016年05期
页码:
7-12
栏目:
设计与研究
出版日期:
2016-05-25

文章信息/Info

Title:
Research on Cryogenic Properties of NCM Batteries
作者:
郎春艳罗卜尔思
(华南理工大学机械与汽车工程学院,广东 广州 510641)
Author(s):
LANG Chunyan LUO Boersi
(School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou 510641,China)
关键词:
三元材料锂离子电池低温性能
Keywords:
NCM batterylow-temperatureproperties
分类号:
U469.72;TM912.9
文献标志码:
A
摘要:
为研究三元材料锂离子电池的低温性能,以国内某公司生产的37Ah三元材料锂离子电池为研究对象,对不同环境温度下三元材料锂电池充放电电压、内阻及容量等性能进行研究。研究结果表明,当环境温度低于0 ℃时,三元材料锂离子电池端电压、内阻、容量等性能均会出现不同程度的下降;环境温度低于-10 ℃,充放电电压曲线均呈现非线性变化,内阻变化较剧烈,严重影响电池寿命;环境温度低于-20 ℃时,无法进行大倍率放电;环境温度低于-30 ℃,大小倍率放电无法进行,充电容量大幅度下降。
Abstract:
To study the cryogenic properties of NCM batteries, domestic 37Ah batteries serve as the research objects. The paper aims to study the properties of the NCM batteries such as the charge-discharge, resistance and capacity under different ambient temperatures. The results indicate that when the ambient temperature is below 0 °C, the charge-discharge performance of the battery drops substantially and the internal resistances increases significantly. When below -10 °C, the charging-discharging voltage curve shows a nonlinear change and the change of resistance is drastic, which severely impacts the battery life. When below -20 °C, high-rate discharge cannot be achieved. When below -30 °C,high and low-rate discharge cannot be achieved and the charging capacity decreases greatly.

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备注/Memo

备注/Memo:
收稿日期:2016-03-04
基金项目:中央高校基本科研业务费(2015ZP012)
作者简介:郎春艳(1989-),女,河南许昌人,硕士研究生,研究方向为新能源汽车电池管理系统;罗卜尔思(1991-),男,四川内江人,硕士研究生,研究方向为新能源汽车电池管理系统。
更新日期/Last Update: 2016-05-25