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Numerical reconstruction of microstructure of graphite anode of lithium-ion battery
He, Shaoyang1,2; Zeng, Jianbang1; Habte, Bereket Tsegai1,2; Jiang, Fangming1
2016-04-01
发表期刊SCIENCE BULLETIN
卷号61期号:8页码:656-664
摘要Due to the presence of graphite flake cascades, the real graphite anode of Li-ion battery shows non-isotropic characteristic. The present work developed an ellipsoid-based simulated annealing method and numerically reconstructed the three-dimensional microstructure of a graphite anode. The reconstructed anode is a composite of three clearly distinguished phases: pore (or electrolyte), graphite, and solid additives, well representing the non-isotropic heterogeneous characteristic of real graphite anode. Characterization analysis of the reconstructed electrode gives information such as the connectivity of individual phase, the specific interfacial area between solid and pore phase, and the pore size distribution. The effects of the ellipsoid size on the structural characteristics of graphite anode were particularly studied. As the size of the ellipsoidal particle slightly increases, the average pore diameter increases and as a result the specific interfacial area between the solid and pore phase in the reconstructed area decreases; compared with the equatorial radius, the polar radius of ellipsoidal graphite particles has more significant influence on the characteristics of electrode microstructure.
文章类型Article
关键词Lithium-ion Battery Graphite Anode Microstructure Reconstruction Simulated Annealing Method Ellipsoid Particles
WOS标题词Science & Technology
DOI10.1007/s11434-016-1048-4
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]SIMULATED ANNEALING RECONSTRUCTION ; 3-DIMENSIONAL MICROSTRUCTURE ; AGING MECHANISMS ; CATHODE MATERIALS ; LICOO2 CATHODE ; ELECTRODES ; PERFORMANCE ; MEDIA ; CELLS ; MODEL
收录类别SCI
语种英语
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000374633500011
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11235
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Lab Adv Energy Syst, Guangzhou 510640, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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He, Shaoyang,Zeng, Jianbang,Habte, Bereket Tsegai,et al. Numerical reconstruction of microstructure of graphite anode of lithium-ion battery[J]. SCIENCE BULLETIN,2016,61(8):656-664.
APA He, Shaoyang,Zeng, Jianbang,Habte, Bereket Tsegai,&Jiang, Fangming.(2016).Numerical reconstruction of microstructure of graphite anode of lithium-ion battery.SCIENCE BULLETIN,61(8),656-664.
MLA He, Shaoyang,et al."Numerical reconstruction of microstructure of graphite anode of lithium-ion battery".SCIENCE BULLETIN 61.8(2016):656-664.
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