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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
Source PublicationSCIENCE BULLETIN
Volume61Issue:8Pages:656-664
AbstractDue 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.
SubtypeArticle
KeywordLithium-ion Battery Graphite Anode Microstructure Reconstruction Simulated Annealing Method Ellipsoid Particles
WOS HeadingsScience & Technology
DOI10.1007/s11434-016-1048-4
WOS Subject ExtendedScience & Technology - Other Topics
WOS KeywordSIMULATED ANNEALING RECONSTRUCTION ; 3-DIMENSIONAL MICROSTRUCTURE ; AGING MECHANISMS ; CATHODE MATERIALS ; LICOO2 CATHODE ; ELECTRODES ; PERFORMANCE ; MEDIA ; CELLS ; MODEL
Indexed BySCI
Language英语
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000374633500011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11235
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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