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Acrylate-based Gel Polymer Electrolyte Exhibiting Better Rate Performance than Liquid Electrolyte
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- Title
- Acrylate-based Gel Polymer Electrolyte Exhibiting Better Rate Performance than Liquid Electrolyte
- Alternative Title
- 액체형 전해액의 출력 특성을 능가하는 아크릴레이트계 젤 고분자 전해액
- DGIST Authors
- Kim, Dong Hui ; Lee, Ho Chun ; Kim, Jae Hyeon
- Advisor
- Lee, Ho Chun
- Co-Advisor(s)
- Kim, Jae Hyeon
- Issued Date
- 2013
- Awarded Date
- 2013. 2
- Citation
- Kim, Dong Hui. (2013). Acrylate-based Gel Polymer Electrolyte Exhibiting Better Rate Performance than Liquid Electrolyte. doi: 10.22677/thesis.2262494
- Type
- Thesis
- Subject
- Li-ion batteries ; Gel polymer electrolyte ; Power performance ; Solvation energy ; 배터리 ; 젤 폴리머 전해액 ; 출력 특성 ; de-solvation 에너지
- Abstract
-
Gel polymer electrolytes (GPEs) exhibit enhanced safety and dimensional stability over liquid electrolytes (LEs), which is the critical advantage for the application of the ⓒ 2013 DGIST
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- Table Of Contents
-
Ⅰ. INTRODUCTION 1
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Ⅱ. THEORITICAL BACKGROUND 2
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2.1 Type of electrolyte 2
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2.1.1 Liquid electrolyte(LE) 2
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2.1.2 Solid electrolyte(SE) 3
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2.1.3 Gel polymer electrolyte(GPE) 4
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2.2 Overpotentials in LIBs 4
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2.3 De-solvation energy 5
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2.4 Electrochemical impedance spectroscopy(EIS) in battery field 6
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Ⅲ. EXPERIMENTAL 8
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3.1 Optimization of polymerization condition 8
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3.2 Preparation of coin cell 9
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3.3 Coin half/full cell assembly 10
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3.4 Coin symmetric cell assembly 11
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3.5 Coin cell rate performance test 11
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3.6 Electrochemical impedance spectroscopy (EIS) 11
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Ⅳ. RESURT AND DISCUSSION 12
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4.1. Optimization of polymerization condition for non free liquid 12
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4.2. LiNi1/3Co1/3Mn1/3O2/Graphite coin full cell test 13
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4.3. LiNi1/3Co1/3Mn1/3O2 and Graphite Coin half cell test 15
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4.3.1 LiNi1/3Co1/3Mn1/3O2/lithium foil cell 15
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4.3.2 Graphite/lithium foil cell 17
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4.4. LiNi1/3Co1/3Mn1/3O2/Graphite coin full cell EIS test 19
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4.5. LiNi1/3Co1/3Mn1/3O2/LiNi1/3Co1/3Mn1/3O2 coin symmetric cell EIS test 23
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4.6. Effect of rate performance of separator type using LiNi1/3Co1/3Mn1/3O2 and Graphite 26
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4.7. LiNi0.5Co0.2Mn0.3O2/Graphite and LiCoO2/Graphite coin full cell test using two type separators 28
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Ⅴ. CONCLUSION 31
- URI
-
http://dgist.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002262494
http://hdl.handle.net/20.500.11750/1322
- Degree
- Master
- Department
- Energy Systems Engineering
- Publisher
- DGIST
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