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Simulated annealing reconstruction and characterization of the three-dimensional microstructure of a LiCoO2 Lithium-ion battery cathode
Wu, Wei; Jiang, Fangming
2013-06-01
Source PublicationMATERIALS CHARACTERIZATION
Volume80Pages:62-68
AbstractWe adapt the simulated annealing approach for reconstruction of the 3D microstructure of a LiCoO2 cathode from a commercial Li-ion battery. The real size distribution curve of LiCoO2 particles is applied to regulate the reconstruction process. By discretizing a 40 x 40 x 40 mu m cathode volume with 8,000,000 numerical cubes, the cathode involving three individual phases: 1) LiCoO2 as active material, 2) pores or electrolyte, and 3) additives (polyvinylidene fluoride + carbon black) is reconstructed. The microstructural statistical properties required in the reconstruction process are extracted from 2D focused ion beam/scanning electron microscopy images or obtained by analyzing the powder mixture used to make the cathode. Characterization of the reconstructed cathode gives important structural and transport properties including the two-point correlation functions, volume-specific surface area between phases, tortuosity and geometrical connectivity of individual phase. (C) 2013 Elsevier Inc. All rights reserved.
SubtypeArticle
KeywordLithium-ion Battery Microstructure Reconstruction Simulated Annealing Approach Microstructure Characterization Tortuosity
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.matchar.2013.03.011
WOS Subject ExtendedMaterials Science
WOS KeywordCATALYST LAYER ; POROUS-MEDIA ; 3D RECONSTRUCTION ; TRANSPORT
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Characterization & Testing
WOS IDWOS:000319956400007
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10117
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Lab Adv Energy Syst, CAS Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Wu, Wei,Jiang, Fangming. Simulated annealing reconstruction and characterization of the three-dimensional microstructure of a LiCoO2 Lithium-ion battery cathode[J]. MATERIALS CHARACTERIZATION,2013,80:62-68.
APA Wu, Wei,&Jiang, Fangming.(2013).Simulated annealing reconstruction and characterization of the three-dimensional microstructure of a LiCoO2 Lithium-ion battery cathode.MATERIALS CHARACTERIZATION,80,62-68.
MLA Wu, Wei,et al."Simulated annealing reconstruction and characterization of the three-dimensional microstructure of a LiCoO2 Lithium-ion battery cathode".MATERIALS CHARACTERIZATION 80(2013):62-68.
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