Enhancing Interfacial Stability of LiNi0.8Co0.1Mn0.1O2 for All-Solid-State-Batteries via Halide Coating
- Title
- Enhancing Interfacial Stability of LiNi0.8Co0.1Mn0.1O2 for All-Solid-State-Batteries via Halide Coating
- Alternative Title
- 할라이드 코팅으로 전고체 전지용 NCM 계면 안정성 향상
- Author(s)
- Hyohyun Cha
- DGIST Authors
- Hyohyun Cha ; Jong-Won Lee ; Jong-Soo Lee
- Advisor
- 이종원
- Co-Advisor(s)
- Jong-Soo Lee
- Issued Date
- 2023
- Awarded Date
- 2023-02-01
- Type
- Thesis
- Description
- "all-solid-state batteries", "sulfide solid-state electrolytes", "halide coating", "interfacial resistances", "chemical reactions"
- Table Of Contents
-
Ⅰ. Introduction 1
Ⅱ. Literature survey 4
2.1 Sulfide solid-state electrolyte 4
2.2 Oxide coating on NCM cathode 8
2.3 Halide solid-state electrolyte 10
Ⅲ. Experimental 18
3.1 Preparation of materials 18
3.2 Coating approach 18
3.3 Characterization 19
3.4 All-solid-state battery assembly 19
3.5 Electrochemical measurements 20
Ⅳ. Results and discussion 21
4.1 Halide coating on NCM-based cathode active materials 21
4.2 Enhanced rate capability of halide-coated NCM cathode 31
4.3 Interfacial stability of halide-coated NCM in the composite cathode 33
4.4 Chemical composition analysis of composite electrolytes 39
4.5 Electrochemical performance of ASSBs 42
4.6 Preventing side reactions and microstructural degradation via halide coating 44
Ⅴ. Conclusion 46
Reference 47
국문요약문 52
- URI
-
http://hdl.handle.net/20.500.11750/45740
http://dgist.dcollection.net/common/orgView/200000655255
- Degree
- Master
- Department
- Department of Energy Science and Engineering
- Publisher
- DGIST
- Related Researcher
-
-
Lee, Jong-Won
- Research Interests 이차전지; 연료전지; 재료전기화학; 나노에너지소재
-
- Files in This Item:
-
There are no files associated with this item.
- Appears in Collections:
- Department of Energy Science and Engineering Theses Master
Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.