| 基于场发射扫描电镜和Image J的锂电池隔膜孔隙率研究 |
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| 引用本文： | 尤雅芳,茆汉军,袁璋晶.基于场发射扫描电镜和Image J的锂电池隔膜孔隙率研究[J].上海塑料,2022(1). |
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| 作者姓名： | 尤雅芳 茆汉军 袁璋晶 |
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| 作者单位： | 聚烯烃催化技术与高性能材料国家重点实验室;上海化工研究院有限公司;上海市聚烯烃催化技术重点实验室 |
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| 基金项目： | 上海化工研究院科研计划项目(N417-2020jszx-03)。 |
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| 摘 要： | 通过对场发射扫描电镜(FESEM)条件的优化得到超高分子量聚乙烯(UHMWPE)锂电池隔膜表面清晰电镜图,然后用Image J软件处理得到孔隙分布图,运用膜孔隙率计算公式,成功获取锂电池隔膜表面膜孔的孔隙率。结果表明:通过FESEM和Image J软件相结合的方法可以形象地对锂电池隔膜的孔隙率进行表征,得到的孔隙率变异系数为6.36%,平均孔隙率为41.07%。
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| 关 键 词： | 场发射扫描电镜 超高分子量聚乙烯 孔隙率 |
Study on Porosity of Lithium Battery Separator Based on Field Emission Scanning Electron Microscope and Image J |
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| YOU Yafang,MAO Hanjun,YUAN Zhangjing.Study on Porosity of Lithium Battery Separator Based on Field Emission Scanning Electron Microscope and Image J[J].Shanghai Plastics,2022(1). |
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| Authors: | YOU Yafang MAO Hanjun YUAN Zhangjing |
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| Affiliation: | (State Key Laboratory of Polyolefins and Catalysis,Shanghai 200062,China;Shanghai Research Institute of Chemical Industry Co.,Ltd.,Shanghai 200062,China;Shanghai Key Laboratory of Catalysis Technology for Polyolefins,Shanghai 200062,China) |
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| Abstract: | The clear electron microscopy images of the surface of the ultra high molecular weight polyethylene(UHMWPE)lithium battery separator were obtained by optimizing the field emission scanning electron microscopy(FESEM)conditions,which were then processed by the Image J software to obtain the pore distribution map.The porosity of the separator pores on the surface of the lithium battery separator was successfully obtained by applying the separator porosity calculation formula.The results show that the porosity of the lithium battery separator can be characterized vividly by the combination of FESEM and Image J software,and the obtained porosity variation coefficient is 6.36%,the average porosity is 41.07%. |
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| Keywords: | field emission scanning electron microscopy ultra high molecular weight polyethylene porosity |
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