Synthesis, Characterization, and Evaluation of New Class of Transition Metal and Metalloid Containing Carbon Catalysts for Oxygen Reduction Reaction in PEMFC
- Title
- Synthesis, Characterization, and Evaluation of New Class of Transition Metal and Metalloid Containing Carbon Catalysts for Oxygen Reduction Reaction in PEMFC
- Alternative Title
- PEMFC에서의 산소 환원 반응을위한 새로운 종류의 전이 금속 및 금속 원자 함유 탄소 촉매의 합성, 특성 분석 및 평가
- Author(s)
- KiranPal Singh
- DGIST Authors
- Yu, Jong-Sung ; Singh, KiranPal ; Jang, Yun Hee
- Advisor
- 유종성
- Co-Advisor(s)
- Yun-Hee Jang
- Issued Date
- 2019
- Awarded Date
- 2019-02
- Type
- Thesis
- Subject
- Fuel Cell
- Table Of Contents
-
Contents
Abstract 2
List of Tables 7
List of Figures 8
I. Introduction 14
1.1 Motivation 14
1.2 Polymer electrolyte membrane fuel cells (PEMFCs) 16
1.2.1 Electrochemistry of fuel cell 19
1.2.2 Polarization curve and voltage losses 21
1.2.3 Oxygen reduction reaction (ORR): Reaction Pathway 23
1.3 LT-PEMFC and HT-PEMFC 25
1.3.1 Non-precious based ORR catalysts for LT-PEMFC. 27
1.3.2 Precious Metal based ORR catalyst for LT-PEMFC 30
1.3.3 Precious Metal based ORR catalyst for HT-PEMFC. 33
1.4 Objectives of the Research 35
1.5 Organization of thesis 37
1.6 References 38
II. Physical and electrochemical characterization 47
2.1 Physical characterization 47
2.2 Electrochemical characterization 49
III. Fe-P: A New Class of Electroactive Catalyst for Oxygen Reduction Reaction 52
3.1 Introduction 52
3.2 Experimental section 53
3.3 Results and discussion 53
3.4 Conclusion 63
3.5 References 64
IV. Highly-stable PtPx-based electrocatalysts for oxygen reduction in high temperature-polymer electrolyte membrane fuel cell 68
4.1 Introduction 68
4.2 Experimental Section 70
4.3 Results and Discussion 70
4.4 Conclusions 83
4.5 References 83
V. Preparation of PtPx/Ni2P heterostructures for obtaining efficient Oxygen Reduction Reaction electrocatalyst in Lt-PEMFC 87
5.1 Introduction 87
5.2 Experimental Section 88
5.3 Results and Discussion 88
5.4 Conclusions 99
5.5 References 100
- URI
-
http://dgist.dcollection.net/common/orgView/200000171509
http://hdl.handle.net/20.500.11750/10686
- Degree
- DOCTOR
- Department
- Energy Science&Engineering
- Publisher
- DGIST
- Related Researcher
-
-
Yu, Jong-Sung
- Research Interests Materials chemistry; nanomaterials; electrochemistry; carbon and porous materials; fuel cell; battery; supercapacitor; sensor and photochemical catalyst
-
- Files in This Item:
-
There are no files associated with this item.
- Appears in Collections:
- Department of Energy Science and Engineering Theses Ph.D.
Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.