Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | 이용민 | - |
| dc.contributor.author | Jihun Song | - |
| dc.date.accessioned | 2023-03-22T19:56:23Z | - |
| dc.date.available | 2023-03-22T19:56:23Z | - |
| dc.date.issued | 2023 | - |
| dc.identifier.uri | http://hdl.handle.net/20.500.11750/45682 | - |
| dc.identifier.uri | http://dgist.dcollection.net/common/orgView/200000656111 | - |
| dc.description | Digital twin, Secondary particle, Single particle measurement, Electro-chemo-mechanical model, Structure deformation, Crack propagation | - |
| dc.description.tableofcontents | Ⅰ. Introduction 1 1.1 Necessity for particle-level research 1 1.2 Particle Crack formation in High-nickel Active Materials 1 1.3 Particle-Level Analysis Methods: Single Particle Measurement, Scanning Transmission X-ray Microscopy, and 3D Modeling 2 ⅠI. 3D Electrochemical model for a single secondary particle and its application for operando analysis: first generation model 3 2.1 Single particle measurement technique and model geometry 3 2.2 Model equations 5 2.3 Parameter description 7 2.4 Model verification and 1D operando analysis of the LFP particle 10 2.5 2D Operando Analysis in the middle of the LFP particle 12 2.6 3D Operando Analysis and Design of the LFP particle 19 2.7 Discussion 22 ⅠII. DIGITAL-TWIN-DERIVEN ELECTRO-CHEMO-MECHNICAL MULTIPHYSICS MODEL FOR SINGLE PARTICLE CATHODE MATERIALS: SECOND GENERATION MODEL 23 3.1 Single particle measurement technique 23 3.2 3D structure formation of a single NMC711 secondary particle 23 3.2.1 Top-down method: FIB/SEM 23 3.2.2 Bottom-up method: Simulation tool 23 3.3 Mechanical strength measurement of a single particle 26 3.4 Electro-chemo-mechanical multiphysics Model 26 3.4.1 Development of a primitive electrochemical model for a single NMC711 secondary particle 28 3.4.2 Improved electrochemical model with a more realistic 3D-reconstructed digital twin of a single NMC711 particle 31 3.4.3 A digital-twin electro-chemo-mechanical model for simulating lithium-induced strain and stress behavior 35 3.4.4 Particle design: Primary and secondary particle sizes 41 3.5 Discussion 47 Summary (in Korean) 55 |
- |
| dc.format.extent | 55 | - |
| dc.language | eng | - |
| dc.publisher | DGIST | - |
| dc.title | Digital-Twin Electrochemo-Mechanical Multiphysics Modeling for Lithium Secondary Batteries | - |
| dc.type | Thesis | - |
| dc.identifier.doi | 10.22677/THESIS.200000656111 | - |
| dc.description.degree | Doctor | - |
| dc.contributor.department | Department of Energy Science and Engineering | - |
| dc.contributor.coadvisor | Jong-Won Lee | - |
| dc.date.awarded | 2023-02-01 | - |
| dc.publisher.location | Daegu | - |
| dc.description.database | dCollection | - |
| dc.citation | XT.ED 송78 202302 | - |
| dc.date.accepted | 2023-03-21 | - |
| dc.contributor.alternativeDepartment | 에너지공학과 | - |
| dc.subject.keyword | Digital twin | - |
| dc.subject.keyword | Secondary particle | - |
| dc.subject.keyword | Single particle measurement | - |
| dc.subject.keyword | Electro-chemo-mechanical model | - |
| dc.subject.keyword | Structure deformation | - |
| dc.subject.keyword | Crack propagation | - |
| dc.contributor.affiliatedAuthor | Jihun Song | - |
| dc.contributor.affiliatedAuthor | Yong Min Lee | - |
| dc.contributor.affiliatedAuthor | Jong-Won Lee | - |
| dc.contributor.alternativeName | 송지훈 | - |
| dc.contributor.alternativeName | Yong Min Lee | - |
| dc.contributor.alternativeName | 이종원 | - |
| dc.rights.embargoReleaseDate | 2027-02-28 | - |
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