| 锰酸锂动力蓄电池散热影响因素分析 |
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| 引用本文： | 林成涛,李腾,陈全世.锰酸锂动力蓄电池散热影响因素分析[J].兵工学报,2010,31(1):88-93. |
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| 作者姓名： | 林成涛 李腾 陈全世 |
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| 作者单位： | 清华大学,汽车安全与节能国家重点实验室,北京,100084;清华大学,汽车安全与节能国家重点实验室,北京,100084;清华大学,汽车安全与节能国家重点实验室,北京,100084 |
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| 基金项目： | 清华大学中大博士后基金资助项目 |
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| 摘 要： | 热管理技术是锰酸锂动力蓄电池应用于电动汽车必需的关键技术。以100 Ah锰酸锂动力蓄电池电池为对象,建立三维电池热模型,定量分析工作电流、表面对流传热系数、外壳导热系数对锰酸锂动力蓄电池散热能力的影响。研究表明:降低工作电流,提高表面对流传热系数、外壳导热系数可以显著提高电池散热能力;钢外壳和铝塑膜外壳对于电池散热的影响差异不大。
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| 关 键 词： | 二次能源 锂离子电池 热模型 热管理 散热能力 |
Analysis of the Heat Dissipation Capability Influence Factors of LiMn_2O_4-Based Lithium-ion Power Battery |
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| LIN Cheng-tao,LI Teng,CHEN Quan-shi.Analysis of the Heat Dissipation Capability Influence Factors of LiMn_2O_4-Based Lithium-ion Power Battery[J].Acta Armamentarii,2010,31(1):88-93. |
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| Authors: | LIN Cheng-tao LI Teng CHEN Quan-shi |
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| Affiliation: | (State Key Laboratory of Automotive Safety and Energy，Tsinghua University，Beijing 100084，China) |
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| Abstract: | Thermal management technique is one of the key techniques for the vehicle application of LiMn2O4-based lithium-ion power batteries.A three-dimension thermal model for the battery was established to analyze the influences of current,surface convective heat transfer coefficient and battery cell shell thermal conductivity on the heat dissipation capability of the battery.The investigated results show that the heat dissipation capability of the battery is improved by reducing the working current,increasing surf... |
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| Keywords: | secondary energy lithium-ion battery thermal model thermal management heat dissipation capability |
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