北京航空航天大学学报 ›› 2014, Vol. 40 ›› Issue (12): 1648-1653.doi: 10.13700/j.bh.1001-5965.2013.0758

• 论文 • 上一篇    下一篇

储能钠硫电池保温层优化设计

张建平1, 韩熠1, 刘宇2, 朱群志3   

  1. 1. 上海电力学院 能源与机械工程学院, 上海 200090;
    2. 中国科学院 上海硅酸盐研究所, 上海 200050;
    3. 上海电力学院 能源与机械工程学院, 上海 200090
  • 收稿日期:2014-01-10 出版日期:2014-12-20 发布日期:2014-12-30
  • 作者简介:张建平(1972-),男,江苏南京人,教授, jpzhanglzu@163.com.
  • 基金资助:

    上海市科学技术委员会资助项目(11dz2281700);上海市优秀学科带头人计划(B类)资助项目(13XD1425200);上海市教育委员会科研创新资助项目(14ZZ154);上海市科委部分地方院校能力建设资助项目(13160501000);国家自然科学基金资助项目(50706025,51201097);国家留学基金资助项目

Optimal design for thermal insulation layers of energy-storage sodium-sulfur batteries

Zhang Jianping1, Han Yi1, Liu Yu2, Zhu Qunzhi3   

  1. 1. College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China;
    2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;
    3. College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
  • Received:2014-01-10 Online:2014-12-20 Published:2014-12-30

摘要:

为解决钠硫电池非真空保温结构存在的厚度过大、寿命短、可靠性不佳等问题,利用多层平壁导热理论建立保温结构数学模型,采用有限元分析软件ANSYS进行实体建模与数值模拟,分析不同性能保温材料对实际性能的影响,并提出一种通过了实验验证的钠硫电池保温结构优化设计方案.结果表明,优化方案满足了保温结构设计的需求;通过应用新型保温材料使保温结构厚度缩减了37.5%,从而减小了整体体积与重量;总结出根据材料属性与热阻安排保温材料布局的思路,保证了各保温材料在工作条件下的安全可靠.这对未来钠硫电池以及其他装置的保温结构设计与优化提供了技术参考.

关键词: 钠硫电池, 保温层, 材料属性, 有限元分析, 优化设计

Abstract:

In order to solve the problems of over large thickness, short life, poor reliability of non-vacuum thermal insulation structure for sodium-sulfur battery, the mathematical model was established by thermal conductivity theory of multi-level insulation layer structure, solid modeling and numerical simulation were done by finite element analysis software ANSYS, the impact of different thermal insulation materials on the actual performance was analyzed, and an optimal design by the actual test validation was proposed. The results indicate that the optimization design meets the design requirements, decreases the total thickness of thermal insulation structure by 37.5% by applying new thermal insulation materials, and then reduces the overall size and weight of the structure. Furthermore, the layout method of the thermal insulation materials arranged according to the material properties and thermal resistance was summarized, which ensures each material is safe and reliable under working conditions. Research results can provide technical references in design and optimization of the insulation structure for sodium-sulfur batteries and other devices in the future.

Key words: sodium-sulfur battery, thermal insulation layers, material properties, finite element analysis, optimal design

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